Watts RK 957/957RPDA-VT RPZ Backflow Preventer

The Watts RK 957/957RPDA-VT is a genuine total relief valve kit for 2 1/2" to 4" 957 / 957RPDA reduced pressure zone (RPZ) backflow preventers.

This total relief valve repair kit provides all the parts necessary to repair or replace the relief valve assembly on a 2 1/2 to 4 inch reduced pressure zone assembly backflow preventer, model 957 and reduced pressure detector assembly backflow preventer, model 957RPDA. This kit consists of complete relief valve assembly.

Features

• Factory replacement kit
• No special tools required for servicing
• All parts are made of high quality materials
• Parts are specific to valve size

Common Questions

Will this kit fit my valve?

The RK 957/957RPDA-VT fits 2 1/2", 3" and 4" sizes of Watts series 957 / 957RPDA. Kits are size- and series-specific, so match the model stamped on your valve body or cover before ordering.

What's included in this kit?

This is a total relief valve kit. Kit consists of: complete relief valve assembly.

Are these genuine Watts parts?

Yes. This is the factory RK 957/957RPDA-VT kit built with genuine Watts OEM components. Aftermarket parts can void your assembly approval and are commonly rejected by inspectors at annual test time.

My relief valve failed the test — is this the right kit?

Yes. A relief valve that opens late, weeps continuously or fails to open is a relief valve fault, and this total relief valve kit carries those parts for 957 / 957RPDA. If the checks also failed, a total repair kit rebuilds every subassembly at once.

Specifications

• Type: RPZ
• Country of Origin: United States
• Warranty: 1 Year Limited
• MPN: RK 957/957RPDA-VT
• Lead-Free: No
• Product Role: repair_kit
• Kit Type: Total Relief Valve Kit
• Fits Brand: Watts
• Fits Valve Series: 957;957RPDA
• Fits Valve Size: 2 1/2";3";4"
• Used With: 2 1/2" 957;2 1/2" 957RPDA;3" 957;3" 957RPDA;4" 957;4" 957RPDA
• Kit Contents: Kit consists of: complete relief valve assembly.
• Watts Ordering Code: 0899232
• Genuine OEM Parts: Yes