Brass RV water pressure regulator for campground water hookups

BUYING GUIDE · READING & PRODUCT SUGGESTIONSRV FRESH WATER · CANADA 🇨🇦

Do you need an RV water pressure regulator?

Campground water pressure can vary. A regulator sits between the campground supply and your trailer so the plumbing is not exposed directly to whatever pressure the pedestal happens to provide.

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QUICK ANSWER

If you connect a travel trailer to campground city water, a drinking-water-safe pressure regulator is a sensible basic part of the fresh-water setup.

Best for

✓ Travel trailers using campground city-water hookups

✓ Owners who want a simple plumbing-protection step before the hose reaches the trailer

✓ Fresh-water setups where the regulator, hose and filter can stay together as one kit

Skip or verify first if

• You are filling the fresh tank and using only the onboard pump

• You have not verified the regulator pressure specification or hose-thread fit

• You are assuming a regulator fixes leaks, damaged plumbing or a failing pump

Check product fit for my trailer →

TRAILERSTEAD VERDICT

For campground hookups, a basic potable-water regulator is inexpensive protection and easier to standardize than guessing whether every pedestal is gentle on the trailer plumbing.

✓ Install it on the campground-supply side of the hose setup.
✓ Use components intended for potable water.
✓ A regulator does not replace leak inspection or normal plumbing maintenance.

PRODUCT SUGGESTIONS

What Trailerstead would look at first.

Researched assessments of published product specifications, not hands-on tests. Use the fit notes and source links before buying.

SIMPLE START

Camco

40055 lead-free brass water pressure regulator

Check current retailer price

A basic brass regulator adds pressure control to the fresh-water hookup without a gauge or adjustment routine.

Fit checkUse on campground city-water hookups; verify thread compatibility, pressure specification and the exact model before checkout.

RESEARCHED PRODUCT · NOT HANDS-ON TESTEDModel / variant: 40055

Tradeoff: Fixed pressure offers less control than an adjustable regulator. Confirm your trailer plumbing requirements.

Check fit: Verify hose threads, pressure range and placement using the trailer and regulator instructions.

View exact product at Canadian Tire ↗ Non-affiliate product linkSource reviewed 2026-10-28. Price, stock and shipping must be confirmed with the retailer.Product specifications source ↗

Trailerstead ranks fit and usefulness independently of commission. Useful non-affiliate product links are included and labelled. Paid affiliate links, when present, are disclosed separately.

What the regulator actually does

Its job is to reduce incoming campground water pressure before that supply reaches the trailer plumbing. It does not improve water quality, repair weak fixtures or replace a water filter.

Fixed versus adjustable regulators

A simple fixed regulator is easy to use and adequate for many owners. Adjustable models add a gauge and more control, but they also add another setting to manage. Choose the complexity you will actually use.

Build one repeatable fresh-water kit

Keep the regulator, potable-water hose, filter if you use one, spare washers and any required fittings together. A repeatable hookup routine reduces forgotten pieces and cross-use with non-potable hoses.

QUICK ANSWERS

Questions owners ask before buying.

Where does an RV water pressure regulator go?

Normally it is installed at the campground water source before the potable-water hose, so the hose and trailer plumbing see the regulated supply.

Do I need a regulator when using the fresh-water tank?

Not for the campground-supply pressure itself. When the trailer is using its onboard pump, the pump system controls water delivery rather than the external pedestal.

Is an adjustable regulator better than a fixed regulator?

Not automatically. Adjustable models offer more control and usually a gauge; fixed regulators are simpler. Verify the specifications and choose based on how much control you actually need.

Does a pressure regulator filter campground water?

No. Pressure regulation and filtration are different jobs. Add a potable-water filter separately if filtration is part of your setup.

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Related Trailerstead guides.

RV drinking-water hoseBuild the potable-water side of the hookup with the right hose.RV sewer hoseKeep the waste-water side of campsite setup separate and organized.Campsite setup checklistPut water hookup into a repeatable arrival workflow.