Application
for RV/Camper/travel trailer/motor home
for B&B Model 571 Check valve
for Forest River
for Grey Wolf 21
for Wilderness 2014
for Winnebago 2018
for Cougar TT2011
for Tiffin Open Road 2015
for Montana 2007
for Fifth Wheel
for Sprinter 2019

Specification
Part Number: 571-VAC-CHK-A
Upgraded Material: Brass
Number of Ports: 2
Work Water Pressure Range: 8-125 PSI
High Pressure Withstand: Up To 125 PSI Water Pressure
Connection Type: 1/2" NPT male threads on both the inlet and outlet

Feature
- This check valve is designed to prevent backflow and back-siphonage, keeping your freshwater source clean and healthy.
- Upgraded to brass material to withstand water pressure ranging from 8-125 PSI, this vacuum breaker check valve is built to last, ensure proper water safety.
- With 1/2" NPT male threads on both the inlet and outlet, and must be installed a minimum of 6 inches above the highest point of any item connected to the waste tank where the flusher is installed.
- Suitable for various RV models, campers, travel trailers, and motor homes, the tank flush one way check valve is a reliable replacement for cracked or leaking check valves, ensuring efficient water flow.
- Easy Installation. Simple installation and convenient maintenance

Warm Tips:
- The RV Tank Flush Check Valve should only be used on one fixture at a time.
- Make sure to install rv black water anti siphon valve absolutely vertical,otherwise will leak bad smell.
- It must be installed 6inch above the highest point fixture connected to your water system where the flusher is installed.
- Do not use the Check Valve more than 12 hours continuously, may cause the RV anti siphon valve be stucked or shutted.

Package Included
1 * Vacuum Breaker Check Valve
As the pictures show

Notice:
* Professional installation is highly recommended (No Instruction Included)
* For any needs please contact us