The Jayco Mains Water Pressure Limiting Valve (PLV15F-350 / C6420B) is a WaterMark-approved pressure reducer commonly used in Jayco caravans to safely regulate incoming mains water pressure. It reduces inlet pressure down to 350 kPa, protecting internal plumbing, fittings, and appliances from damage caused by high-pressure campground water supplies.

This valve also features a built-in check valve, helping prevent backflow into the mains water supply.

Features:

• Reduces mains water pressure to 350 kPa

• Commonly fitted to Jayco caravans

• Built-in check valve to prevent backflow

• WaterMark approved

• Protects caravan plumbing and appliances

Specifications:

• Brand: Jayco

• Product Type: Mains water pressure limiting valve

• Model / Original Model: PLV15F-350 / C6420B

• Other Identifiers: PLVCV15

• Inlet Thread: 1/2" BSP

• Max Inlet Pressure: 1600 kPa

• Outlet Pressure: 350 kPa

• Maximum Temperature: 80 °C

• Dimensions: Approx. 110 mm x 15 mm

FAQ

Q: What does this valve do?
It reduces mains water pressure to 350 kPa, protecting your caravan’s plumbing from high-pressure water supplies.

Q: Is this required for Jayco caravans?
Yes. Jayco caravans are designed to operate at 350 kPa, and this valve is commonly factory-fitted.

Q: Does this valve include a check valve?
Yes. It has a built-in check valve to prevent backflow.