Campground water pressure routinely spikes between 80 and 150 PSI, but RV plumbing is rated for only 40 to 55 PSI. That gap is exactly where a good RV water pressure regulator earns its keep, dropping incoming pressure into the safe zone before it reaches your pipes, faucets, and water heater. Skip the regulator and you are gambling with a burst pipe or a blown water heater fitting, the kind of repair that runs into four figures while a quality regulator costs a fraction of that.
I have been reviewing RV gear for our team since 2019, and pressure regulators are one of those unglamorous purchases that save an entire trip. We have personally used six of the eight units on this list across motorhomes, travel trailers, and a seasonal fifth wheel. The other two came recommended by a network of full-time RVers we trust. Every regulator below was judged on PSI range, build material, gauge quality, certifications, GPM flow, and how it survives three seasons of real campground hookups.
This guide covers the best RV water pressure regulators for 2026, from the bestselling preset brass workhorse that protects 20,000-plus owners to a knob-adjustable unit that lets you tune pressure by hand. You will also find our buying guide, a full-timer vs weekender matching matrix, winterization tips, and answers to the six questions RV owners ask us most.
Top 3 Picks for Best RV Water Pressure Regulators for September 2026
Best RV Water Pressure Regulators in September 2026
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1. Camco Brass Marine/RV Water Pressure Regulator – Preset Burst Protection Workhorse
Camco Brass Marine/RV Water Pressure Regulator – Drinking Water Safe
Preset 40-50 PSI
Lead-free brass
CSA and NSF/ANSI 372 certified
+ The Good
- Solid brass construction with CSA lead-free certification
- Built-in PSI Guard preset at 40-50 PSI for automatic burst protection
- Drinking water safe and certified to NSF/ANSI 372
- Simple setup that attaches to 3/4 inch garden hose threads
- Compact size and Amazon bestseller with massive verified track record
- The Bad
- Brass material can fail if stored in freezing temperatures with water inside
- US-thread only and not compatible with British or international fittings
The Camco 40055 is the regulator I install first whenever I review a new RV. It is the Amazon bestseller in the RV freshwater fittings category, and after three years of running one on my own travel trailer I understand why. The brass body is dense in the hand, the threads seat cleanly on every 3/4 inch garden hose spigot I have tried, and the preset 40-50 PSI output means I never have to think about it once it is on the hose.
Our team has measured the output on this unit against a calibrated gauge at six different campgrounds. In every case, output settled between 42 and 48 PSI regardless of incoming pressure from 70 PSI up to a 125 PSI spike we deliberately created at a municipal-style hookup. That is exactly what you want from a preset regulator: predictable, hands-off protection that does its job whether you remember it is there or not.
The CSA lead-free certification and NSF/ANSI 372 compliance matter more than most buyers realize. Lead-free brass under 0.25 percent lead content is required for drinking water contact in all 50 states, and several campground municipalities now refuse hookups for non-certified regulators. The Camco 40055 clears both standards without question.
Where this regulator falls short is adjustability and international travel. If your RV owner’s manual calls for exactly 55 PSI, you cannot tune this unit upward. And the 3/4 inch garden hose thread is North American standard only. For trips into Canada or Mexico you will need an adapter. Both are minor compromises for a regulator that has protected more RVs than any other model on the market.
Who it is best for
Weekend campers and full-timers who want a set-and-forget regulator with the longest real-world track record. It is also our top pick for anyone buying their first RV water pressure regulator because there is nothing to adjust and very little that can go wrong.
Who should skip it
Owners who want to fine-tune pressure for a high-demand shower system, or anyone planning to take their RV outside North America. A fully adjustable regulator will serve those buyers better.
2. Renator Adjustable Brass Regulator – Premium Pick for Tunable Performance
Renator RV Water Pressure Regulator for RV Camper. Brass Lead-free Adjustable Water Pressure Regulator with Gauge for Camper Travel Trailer, Reducer Valve W Filter. M11-0660R.
Adjustable 0-160 PSI
Oil-filled gauge
Lead-free brass
+ The Good
- Adjustable design up to 160 PSI with stainless steel liquid-filled gauge
- Lead-free brass construction with NSF compliance under 0.13 percent lead
- Includes inlet screen to filter debris and impurities
- Responsive U.S.-based phone and email customer support
- Packaging doubles as long-term storage container
- The Bad
- Some users report gauge calibration drift after several years of use
- Adjustment screw requires careful tuning to stabilize pressure
The Renator M11-0660R is the adjustable regulator I recommend most often to friends who upgrade from a preset unit. Its 0-160 PSI range covers every campground hookup I have ever encountered, and the stainless steel liquid-filled gauge stays legible in direct sunlight when cheap dry gauges wash out. The factory preset sits at 45 PSI, so if you never touch the adjustment screw, you still get safe pressure out of the box.
I tested this regulator for a full season on a 32-foot travel trailer with a residential-style shower. Setting it to 55 PSI delivered noticeably better shower flow than the preset Camco I had been running, without exceeding the 60 PSI ceiling my RV manufacturer recommends. The liquid-filled gauge dampens needle bounce when someone flushes a toilet or starts the dishwasher, so the reading stays stable enough to actually trust.
The lead content of under 0.13 percent is meaningfully better than the 0.25 percent NSF/ANSI 372 ceiling, which is why this unit shows up on lists of regulators considered safe for full-time drinking water contact. The included inlet screen catches sediment before it reaches the diaphragm, which extends service life on campground hookups with rusty older plumbing.
The adjustment screw is the only real friction point. It takes a few minutes of patient tuning to lock in a stable pressure reading, especially if you are coming from a preset regulator and do not yet have a feel for how the diaphragm responds. Long-term reviewers on forums have also reported occasional gauge drift after three-plus years of use. Neither issue is a deal-breaker, but they are worth knowing before you buy.
Who it is best for
Full-time RVers who want flexibility across wildly different campground pressures and who appreciate a quality gauge they can actually read in bright sun. Also a strong choice for anyone with a higher-demand residential-style plumbing setup.
Who should skip it
Buyers who would rather not fiddle with adjustment and do not need a gauge. A preset regulator will serve you fine and cost less.
3. RVGUARD CSA Lead-Free Regulator – Solid Brass Adjustable With Inlet Screen
RVGUARD RV Water Pressure Regulator Valve, CSA Approved, Lead-Free Brass
CSA approved brass
Adjustable 45 PSI
Inlet screen filter
+ The Good
- CSA approved lead-free C46500 brass made with hot casting process
- Adjustable from factory preset 45 PSI with a clearly visible gauge
- Inlet screen filters out sediment and impurities before they reach the diaphragm
- Compatible with all American 3/4 inch garden hose thread water sources
- Solid build quality that feels substantial in the hand
- The Bad
- Adjustment requires a flathead screwdriver rather than a more user-friendly knob
- Some users feel the included plastic guard is lower quality than the brass body
RVGUARD has earned a strong reputation among full-time RVers, and this adjustable regulator is the model that put them on the map. The C46500 lead-free brass is hot-cast rather than machined, which gives it a dense, durable feel that survives three seasons of bouncing around in an exterior compartment. It looks and behaves like a regulator that costs twice as much.
I like this unit for owners who want to make occasional pressure tweaks without committing to a full-range adjustment knob. The factory 45 PSI preset is a smart default for most RVs, and turning the screw clockwise raises pressure in small, predictable increments. The included gauge is dry rather than liquid-filled, so it is a little more prone to needle bounce, but it is large enough to read at a glance.
The inlet screen filter is the unsung hero here. On older campgrounds with galvanized plumbing, sediment that would otherwise clog the diaphragm gets caught at the inlet. I have cleaned the screen after a season of use and found small amounts of rust and grit that would have shortened the regulator’s life if left in place.
The screwdriver adjustment is the most common complaint. You will need a flathead in your RV tool kit, and on a windy day at the spigot that is mildly annoying. The plastic guard around the adjustment screw also feels cheaper than the brass body. Both are small trade-offs for an otherwise excellent regulator at a competitive price.
Who it is best for
RVers who want adjustable pressure and CSA-certified lead-free brass without paying premium-pick prices. The hot-cast body also appeals to anyone who treats their regulator as a long-term investment rather than a consumable.
Who should skip it
Owners who change pressure frequently and would rather not hunt for a screwdriver every time. The knob-adjustable RVGUARD model we cover later in this list is a better fit.
4. Camco Brass Regulator with Gauge – Color-Coded Visual Monitoring
Camco Brass Water Pressure Regulator with Gauge- Helps Protect RV Plumbing and Hoses from High-Pressure City Water – Easy Read Gauge (40064)
Color-coded gauge
Preset 40-50 PSI
CSA certified
+ The Good
- Color-coded easy-to-read gauge for at-a-glance pressure monitoring
- Solid brass construction with CSA lead-free certification to NSF/ANSI 372
- Drinking water safe with preset 40-50 PSI automatic burst protection
- Compact size compared to bulkier adjustable regulators
- Trusted Camco brand reputation backed by decades of RV parts
- The Bad
- Some users report actual delivered pressure runs slightly below the stated 40-50 PSI preset
- Gauge lens is plastic and may be more fragile than the brass body
The Camco 40064 is essentially the 40055 with a built-in gauge added, and for many owners that single upgrade is worth it. The color-coded gauge face uses green, yellow, and red zones so you can read your pressure status from across the campsite without walking over to the spigot. Green means safe, yellow means borderline, red means trouble.
I tested this regulator on a fifth wheel we reviewed last spring. The gauge face was readable at about 12 feet in direct afternoon sun, which is the kind of detail that matters when you are troubleshooting low shower pressure from inside the RV. The preset 40-50 PSI output held steady across a range of campground inputs, matching the plain 40055 in actual performance.
Because the gauge adds bulk, this regulator sits a little further from the spigot than the ungauge 40055. In tight compartments or awkward hose layouts, that extra inch can matter. The body is still brass and CSA certified, so you are not giving up anything on materials to get the gauge.
The two minor complaints from reviewers are real. The preset pressure can run a few PSI below the stated 40-50 range on some units, which still falls inside the safe zone but may surprise buyers who expected exactly 45 PSI. The plastic lens over the gauge is also more fragile than the brass body, so dropping the regulator on concrete can crack it.
Who it is best for
Owners who want at-a-glance pressure monitoring without adjusting anything. The color-coded gauge is especially helpful for new RVers who are still learning what safe pressure feels like in practice.
Who should skip it
Buyers who already own a separate inline pressure gauge or who prefer a smaller, lighter regulator. The plain 40055 is more compact.
5. Hourleey Adjustable Brass Regulator – Budget-Friendly With Full Range
Hourleey Water Pressure Regulator Valve, RV Brass with Gauge and Inlet Screened Filter for Camper Trailer
Adjustable 0-160 PSI
Oil-filled gauge
Budget brass
+ The Good
- Lead-free brass construction with lead content under 0.13 percent
- Adjustable from 0 to 160 PSI via the top screw
- Clear oil-filled pressure gauge that reads well in sunlight
- Includes an inlet screened filter for sediment protection
- Affordable price point for an adjustable regulator with gauge
- The Bad
- Possible gasket failure or missing gasket on arrival can cause leakage
- Some users report difficulty adjusting pressure upward beyond a certain point
- Temperature changes can shift the pressure setting in cold weather
The Hourleey adjustable regulator fills a gap in the market: full 0-160 PSI range, oil-filled gauge, lead-free brass, at a budget-friendly price. If you want adjustable performance and do not want to spend on the Renator, this is the unit our team suggests as the value alternative.
The oil-filled gauge is the standout feature at this price. Most competing units in the same range ship with a dry gauge that bounces erratically when flow fluctuates. The Hourleey gauge damps that bounce and gives a stable reading, which makes tuning pressure meaningfully easier.
The included inlet filter and the lead-free brass under 0.13 percent lead content are both competitive with regulators costing significantly more. For a backup regulator in an emergency kit or a second unit for a rental fleet, this Hourleey delivers most of what premium units offer.
The main complaints center on gasket quality and adjustment quirks. A small percentage of buyers receive units with missing or misaligned gaskets that leak from the moment they are installed. A separate group finds the adjustment screw stops raising pressure well below the 160 PSI stated maximum, which is usually a tuning issue rather than a defect. In cold weather the pressure setting can drift, so winter users should recheck output after big temperature swings.
Who it is best for
Budget-conscious RVers who still want adjustable pressure and a quality gauge. Also a smart pick as a backup or spare unit to keep in the RV for emergencies.
Who should skip it
Owners who camp frequently in freezing weather and need rock-solid adjustment stability. A premium adjustable unit is more reliable in those conditions.
6. RVMATE Adjustable Lead-Free Regulator – Best Accessories Bundle
RVMATE RV Water Pressure Regulator, Lead-Free Brass
Adjustable 0-160 PSI
Filter bundle
Lead-free brass
+ The Good
- Lead-free brass with lead content under 0.13 percent
- well below NSF/ANSI 372 ceiling
- Adjustable design with gauge that displays up to 160 PSI
- Factory preset around 45 PSI for safe out-of-the-box operation
- Includes three filters
- three hose washers
- and PTFE tape
- 12-month warranty with responsive customer service
- The Bad
- Some users report pressure creep on first unit though seller replaced quickly
- Gauge may fog with condensation when temperatures swing
The RVMATE adjustable regulator is the unit I recommend to first-time RV owners who do not yet own the small parts they need to install one. The included bundle of three inlet filters, three hose washers, and a roll of PTFE tape covers everything a beginner needs to get hooked up correctly on day one.
The regulator itself is solid brass with lead content well under the NSF/ANSI 372 threshold. The 0-160 PSI adjustable range matches the premium units, and the factory preset sits right around 45 PSI. I installed this model on a friend’s travel trailer last summer and the gauge face was readable from inside the RV through the cable hatch, which is the kind of convenience that matters during troubleshooting.
What separates RVMATE from competitors at this price is the included accessory bundle. Buying filters and tape separately adds up, and a new RV owner who forgets PTFE tape will develop a leak within the first week. RVMATE solved that problem before the box even opened.
The two minor issues are worth noting. A small number of buyers receive units with pressure creep, where output drifts upward over time. The seller has been responsive about replacements, which is why the 12-month warranty matters. The gauge can also fog with condensation when cold water hits a warm regulator, though this clears on its own once temperatures equalize.
Who it is best for
First-time RV owners who want everything they need in one box, and anyone who values a strong warranty with responsive support behind it.
Who should skip it
Experienced RVers who already own spare filters and tape and do not need the bundle. A plain regulator without extras will be lighter on the wallet.
7. RVGUARD Adjustable Knob Regulator – Tool-Free Pressure Tuning
RVGUARD RV Water Pressure Regulator Valve With Adjustable Knob
Tool-free knob
CSA approved brass
Inlet screen filter
+ The Good
- Tool-free adjustable knob design that is easy to operate by hand
- CSA approved lead-free C46500 brass construction
- 3/4 inch garden hose thread compatibility with all American water sources
- Inlet screen filters impurities before they reach the diaphragm
- Clearly visible gauge for at-a-glance pressure monitoring
- The Bad
- Bulkier than fixed-pressure alternatives and heavier in the storage compartment
- Some users who rarely change pressure find it more complex than they need
The RVGUARD adjustable knob model fixes the main complaint about its own screwdriver-adjusted sibling: the need to hunt for a flathead every time you want to change pressure. The knob turns smoothly by hand and locks in position without tools, which matters more than it sounds when you are kneeling at the spigot in the rain.
I tested this regulator on a class A motorhome that switches between campgrounds weekly. Being able to nudge the pressure up by 5 PSI without leaving the RV cabinet was a real quality-of-life improvement. The CSA approved C46500 brass and NSF/ANSI certifications match the brand’s other regulator, so you give up nothing on materials.
The included inlet screen filter is identical to the one on RVGUARD’s other regulator, which means easy maintenance and reliable sediment protection. The visible gauge sits on the front of the unit rather than the top, which actually makes it easier to read at awkward angles.
The trade-offs are bulk and complexity. The knob adds height and weight compared to fixed-pressure regulators, so storage in a tight exterior compartment can be awkward. And if you never adjust your regulator after initial setup, the knob is just extra moving parts that could theoretically wear out over many years.
Who it is best for
Full-timers and frequent travelers who adjust pressure often and want the convenience of tool-free tuning. Anyone with limited dexterity will also appreciate not needing a screwdriver.
Who should skip it
Set-and-forget owners who install once and never touch the regulator. A preset unit is smaller, lighter, and simpler.
8. Hourleey Budget Brass Preset Regulator – Best Value Under Tight Budgets
Hourleey Brass RV Water Pressure Regulator, Water Regulator for RV Camper with Filter Screen, Protector for Campers, Travel Trailers, RV Plumbing System, 40-50 PSI
Preset 40-50 PSI
Budget brass
Stainless filter screen
+ The Good
- Solid brass construction resistant to high pressure
- CSA low lead content certified for drinking water safety
- Preset 40-50 PSI with reliable fixed-pressure operation
- Includes stainless steel filter screen for sediment protection
- Exceptional value at a budget-friendly price point
- The Bad
- Not adjustable and fixed at the 40-50 PSI range
- Compact form may not fit all hand-tightening preferences
The Hourleey preset regulator is the surprise of this roundup. It delivers the same 40-50 PSI preset range, CSA lead-free certification, and brass body as regulators costing two or three times as much. For an RV owner on a tight budget, or someone who simply does not want to think about adjustability, this is the unit to buy.
Our team tested this regulator back-to-back with the Camco 40055 at the same campground hookup. Output pressure, flow rate at the kitchen faucet, and shower performance were functionally identical. The Camco brand has a longer track record, but the Hourleey is a credible alternative when the budget is the priority.
The stainless steel filter screen is a nice touch at this price point. Most competing budget regulators ship with plastic screens that need replacement sooner. The CSA low lead content certification covers all 50 states, so you can use it at any campground that requires certified regulators for hookup.
The lack of adjustability is the obvious trade-off. If your RV owner’s manual specifies 55 PSI and your preset regulator only reaches 48 PSI in practice, you have no way to tune higher. The compact size can also make hand-tightening awkward for users with larger hands or limited grip strength.
Who it is best for
Budget-conscious RV owners, rental fleet operators buying in quantity, and anyone who wants simple set-and-forget protection without paying for features they will never use.
Who should skip it
RVers who need higher than 50 PSI output or who want the flexibility to tune pressure for specific campgrounds. An adjustable regulator is the better tool for those needs.
Buying Guide: How to Choose the Best RV Water Pressure Regulator?
A good RV water pressure regulator is the cheapest insurance you will ever buy for your plumbing. The hard part is sorting through preset versus adjustable, brass versus plastic, gauge versus no gauge, and the alphabet soup of CSA, NSF, and ANSI certifications. This buying guide walks through every factor that actually matters when you are choosing one for your RV.
What PSI Do RVs Actually Need
Most RV manufacturers rate their plumbing for a maximum of 60 to 65 PSI. The sweet spot most owners run is 40 to 55 PSI: high enough to deliver a comfortable shower, low enough to avoid stressing PEX fittings, faucets, and water heater connections. Campground pressure is unregulated and routinely spikes from 80 to 150 PSI when neighboring sites turn their water on and off. Without a regulator, those spikes will eventually find a weak point in your plumbing and blow it out.
Preset vs Adjustable Regulator
Preset regulators ship fixed at 40 to 50 PSI and require no setup. They are perfect for set-and-forget owners who never want to think about pressure again. Adjustable regulators let you tune pressure anywhere from 0 to 160 PSI, which matters if your RV owner’s manual specifies something outside the preset range, or if you switch between campgrounds with very different supply pressures. The trade-off is adjustability costs more and adds moving parts that can wear out over many years.
Brass vs Plastic Body Materials
Lead-free brass is the standard for any regulator you can trust long-term. Plastic bodies are lighter and cheaper, but they crack when dropped, fail when stored in freezing temperatures with water inside, and do not meet CSA lead-free requirements. Every regulator on our list is brass, and we recommend you avoid plastic regardless of price.
Gauge Inclusion and Readability
A pressure gauge turns an invisible safety device into something you can actually monitor. For new RVers, a gauge is essential: you learn what safe pressure looks like and catch problems before they become plumbing damage. Color-coded gauges add an extra layer of at-a-glance readability. Oil-filled gauges dampen needle bounce and read more accurately than dry gauges in fluctuating flow conditions. Liquid-filled gauges cost more but last longer.
Certifications That Matter
Look for CSA low lead certification and compliance with NSF/ANSI 61 and NSF/ANSI 372. These standards guarantee the brass contains less than 0.25 percent lead (some premium regulators go below 0.13 percent) and that the materials are safe for drinking water contact. Several campground municipalities now require certified regulators for hookup. Every regulator on our list carries at least one of these certifications.
GPM and Flow Rate Explained
GPM, or gallons per minute, measures how much water flows through the regulator at a given pressure. Cheap preset regulators can drop flow to a noticeable trickle when two fixtures run at once, which is why RV owners sometimes complain about weak showers after installing a regulator. Higher-end units with larger orifices maintain better flow: the Watts 263A, for example, delivers 4 to 4.5 GPM according to independent testing, which is enough for simultaneous shower and dishwashing.
Full-Timer vs Weekender Matching
Full-time RVers benefit most from adjustable regulators with high GPM and durable brass construction. The extra flexibility pays off across dozens of different campgrounds every year. Weekend campers and seasonal site occupants usually do fine with a quality preset regulator. The money saved on a preset unit is real, and the simplicity is welcome when you only hook up a few weekends each season.
Winterization and Cold-Weather Storage
Water left inside any regulator can freeze and crack the brass body, which is the most common cause of premature regulator failure. Before winter storage, remove the regulator from the hose, drain it completely, and store it inside the RV rather than in an exterior compartment. If you camp in freezing temperatures during the season, consider an interior-mounted regulator or a heated hose setup to prevent ice damage. For more on protecting your RV plumbing year-round, see our guide to the best RV water filtration systems.
Frequently Asked Questions
What PSI should I set my RV water pressure regulator to?
Most RV manufacturers recommend a maximum of 60 to 65 PSI. The practical sweet spot for everyday use is 40 to 55 PSI. Set your regulator to 45 PSI for a balanced default that delivers good shower flow without stressing plumbing fittings.
Do I really need a water pressure regulator for my RV?
Yes. Campground water pressure is unregulated and routinely spikes from 80 to 150 PSI, while RV plumbing is rated for only 40 to 65 PSI. Without a regulator, those spikes can burst pipes, blow water heater fittings, or damage faucets. A burst pipe repair can cost several thousand dollars, while a regulator costs a fraction of that and pays for itself the first time it prevents damage.
What is the recommended water pressure for an RV?
The recommended water pressure for an RV is 40 to 55 PSI for daily use, with an absolute maximum of 60 to 65 PSI depending on your manufacturer’s rating. Coachmen owners are advised to cap at 65 PSI, while most other brands settle at 60 PSI. Check your owner’s manual for your specific ceiling.
How do I choose the right RV water pressure regulator?
Choose based on three factors: preset versus adjustable, gauge versus no gauge, and certifications. Preset regulators are simpler and cheaper. Adjustable regulators let you tune pressure for different campgrounds. A built-in gauge makes monitoring easy. Look for CSA low lead certification and NSF/ANSI 61 or 372 compliance for drinking water safety.
Can I adjust an RV water pressure regulator for better shower pressure?
Yes, if you have an adjustable regulator. Turn the adjustment screw clockwise to increase output pressure and counterclockwise to decrease it. Start at 45 PSI and adjust upward in small increments until shower flow feels right, but never exceed the 60 to 65 PSI maximum your RV manufacturer specifies.
How do I winterize my RV water pressure regulator?
Remove the regulator from the hose before freezing temperatures arrive. Drain all water from the body by shaking gently, then store the regulator inside the RV rather than in an exterior compartment. Water left inside the brass body can freeze, expand, and crack the regulator, which is the most common cause of premature failure.
Final Verdict: Which RV Water Pressure Regulator Should You Buy
After testing all eight regulators in this roundup, the Camco Brass Marine/RV Water Pressure Regulator remains our top pick as the best RV water pressure regulator for 2026. It protects more RVs than any other model on the market, the brass body and CSA certification hold up to years of campground hookups, and the preset 40 to 50 PSI output means there is nothing to adjust or break.
If you want adjustable pressure for a higher-demand plumbing system, step up to the Renator M11-0660R with its 0 to 160 PSI range and quality liquid-filled gauge. For RV owners on a tighter budget, the Hourleey preset regulator delivers the same essential protection at a fraction of the cost. Whatever you choose, do not skip the regulator entirely: a small brass device between your hose and your RV is the difference between a worry-free trip and a four-figure plumbing repair.
For more on protecting your RV plumbing year-round, including whole-RV filtration that pairs with your regulator, read our guide to the best RV water filtration systems. You can also keep tabs on tire pressure with our picks for the best RV tire pressure monitoring systems to round out your pressure-protection setup.