Watts 909 Backflow Repair Parts & Kits

Repair kits and parts for the Watts 909, 3/4" to 10".

Not sure what you have? Call (916) 251-7071

Rebuild kits

Protect it once it's rebuilt

Freeze bags sized to the Watts 909, plus steel enclosures and the fittings to install it.

Enclosures Fittings

About the Watts 909

The Watts 909 is a reduced pressure assembly (RPA), also sold as the 909M1 and the lead-free LF909. This page has the repair kits we carry for the Watts 909, in sizes from 3/4" to 10", grouped by part type. Check the model number and size on the body or ID tag before you order, and note whether it's a lead-free (LF) model.

Questions

Which Watts 909 repair kit do I need?

Match the kit to the model and size on your assembly's body or ID tag. Products on this page are grouped by part type, and each product title lists the models it fits. Lead-free models start with LF, so check for those two letters on the tag.

What sizes of Watts 909 parts do you carry?

We carry Watts 909 kits and parts for 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4", 6", 8" and 10" assemblies. If you don't see your size, contact us with the model and size.

What type of backflow preventer is the Watts 909?

The Watts 909 is a reduced pressure assembly (RPA), also sold as the 909M1 and the lead-free LF909. Reduced pressure assemblies are used where the hazard is high (toxic), because the relief valve vents water if the checks fail.
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