The Watts RK 757/RK 757DCDA-RC4 2 1/2-4 is a genuine check rubber parts kit (first or second) for 2 1/2" to 4" 757 / 757DCDA double check valve assemblies. It features a silicone seat.
This 2 1/2-4" check rubber parts repair kit for series 757 and 757DCDA helps prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. It features a check module O-ring, red silicone disc elastomer and a E-clip. 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 rubber parts kit
Common Questions
- Will this kit fit my valve?
- The RK 757/RK 757DCDA-RC4 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 check rubber parts kit (first or second). Kit consists of: a check module O-ring, red silicone disc elastomer and a E-clip.
- Are these genuine Watts parts?
- Yes. This is the factory RK 757/RK 757DCDA-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 757 / 757DCDA in your size; a total repair (T) kit covers the relief valve and both checks.
Specifications
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Type: Double Check
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Seat / Seal Material: Silicone
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Country of Origin: United States
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Warranty: 1 Year Limited
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MPN: RK 757/RK 757DCDA-RC4 2 1/2-4
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Lead-Free: No
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Product Role: repair_kit
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Kit Type: Check Rubber Parts Kit (First or Second)
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Fits Brand: Watts
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Fits Valve Series: 757;757DCDA
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Fits Valve Size: 2 1/2";3";4"
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Used With: 2 1/2" 757;2 1/2" 757DCDA;3" 757;3" 757DCDA;4" 757;4" 757DCDA
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Kit Contents: Kit consists of: a check module O-ring, red silicone disc elastomer and a E-clip.
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Watts Ordering Code: 0899202
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Genuine OEM Parts: Yes
