Watts RK 757/RK 757DCDA-C 2 1/2-4 Double Check Backflow Preventer

The Watts RK 757/RK 757DCDA-C 2 1/2-4 is a genuine cover kit for 2 1/2" to 4" 757 / 757DCDA double check valve assemblies.

This 2 1/2-4" check sleeve cover repair kit for series 757 and 757DCDA helps to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. It features a closure sleeve, sleeve O-ring and gasket. It is designed for non-health hazard applications.

Features

• Factory replacement kit
• No special tools required for changing parts
• All parts are made of high quality materials
• Check sleeve cover kit

Common Questions

Will this kit fit my valve?

The RK 757/RK 757DCDA-C 2 1/2-4 fits 2 1/2", 3" and 4" sizes of Watts series 757 / 757DCDA. 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 cover kit. Kit consists of: a closure sleeve, sleeve O-ring and gasket.

Are these genuine Watts parts?

Yes. This is the factory RK 757/RK 757DCDA-C 2 1/2-4 kit built with genuine Watts OEM components. Aftermarket parts can void your assembly approval and are commonly rejected by inspectors at annual test time.

Which kit do I need if my relief valve failed the test?

For a relief valve fault on 757 / 757DCDA, order the RV kit for rubber parts only or the VT kit to replace the complete relief valve assembly. This cover kit covers a different part of the assembly.

Specifications

• Type: Double Check
• Country of Origin: United States
• Warranty: 1 Year Limited
• MPN: RK 757/RK 757DCDA-C 2 1/2-4
• Lead-Free: No
• Product Role: repair_kit
• Kit Type: Cover Kit
• Fits Brand: Watts
• Fits Valve Series: 757;757DCDA
• Fits Valve Size: 2 1/2";3";4"
• Used With: 2 1/2" 757;2 1/2" 757DCDA;3" 757;3" 757DCDA;4" 757;4" 757DCDA
• Kit Contents: Kit consists of: a closure sleeve, sleeve O-ring and gasket.
• Watts Ordering Code: 0899211
• Genuine OEM Parts: Yes