The Aqua Pro 20809 RV Backflow Preventer has 1/2″ male and 1/2″ female pipe threads. This is a direct replacement backflow preventer for Marshall Brass and Hydronamic products. Made using lead-free, non-toxic, food-grade materials.
Specifications
IAPMO and NSF certified
End 1 Size: 1/2″ Male Pipe Threads
End 2 Size: 1/2″ Female Pipe Threads
Before You Order
Verify part number 20809 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 20809 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.




