The Watts RK 757A/757ADCDA-RC4 2 1/2-4 is a genuine check rubber parts kit (first or second) for 2 1/2" to 4" 757A / 757ADCDA double check valve assemblies. It features a epdm seat.
This 2 1/2 to 4 inch check rubber parts kit is for a double check detector backflow assembly, which helps to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. The kit contains a check module O-ring, EPDM disc elastomer, and a E-clip.
Features
- Factory replacement kit
- No special tools required for changing parts
- All parts are made of high quality materials
- Check rubber parts kit
Common Questions
- Will this kit fit my valve?
- The RK 757A/757ADCDA-RC4 2 1/2-4 fits 2 1/2", 3" and 4" sizes of Watts series 757A / 757ADCDA. 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 check rubber parts kit (first or second). Kit consists of: a check module O-ring, EPDM disc elastomer, and a E-clip.
- Are these genuine Watts parts?
- Yes. This is the factory RK 757A/757ADCDA-RC4 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?
- Not this one — this kit services the check valve. A failed relief valve needs the RV (rubber parts) or VT (total relief valve) kit for 757A / 757ADCDA in your size; a total repair (T) kit covers the relief valve and both checks.
Specifications
-
Type: Double Check
-
Seat / Seal Material: EPDM
-
Country of Origin: United States
-
Warranty: 1 Year Limited
-
MPN: RK 757A/757ADCDA-RC4 2 1/2-4
-
Lead-Free: No
-
Product Role: repair_kit
-
Kit Type: Check Rubber Parts Kit (First or Second)
-
Fits Brand: Watts
-
Fits Valve Series: 757A;757ADCDA
-
Fits Valve Size: 2 1/2";3";4"
-
Used With: 2 1/2" 757A;2 1/2" 757ADCDA;3" 757A;3" 757ADCDA;4" 757A;4" 757ADCDA
-
Kit Contents: Kit consists of: a check module O-ring, EPDM disc elastomer, and a E-clip.
-
Watts Ordering Code: 0899258
-
Genuine OEM Parts: Yes
