The Watts RK SR774/DCDA-CK1 8 is a genuine lead-free first check kit for 8" 774 / LF774 double check valve assemblies. It features a silicone seat. This model is certified lead-free for potable-water installations.
This 8 to 10 inch lead free repair kit is used for the 774 stainless steel double check assembly. The contents of this kit are used for proper maintenance to the first check parts. This kit consists of a first check with a red silicone soft seat, check O-ring, four retaining nuts, and lube.
Features
- The wetted surface of this product contacted by consumable water contains less than one quarter of one percent (0.25 percent) of lead by weight
- No special tools required for servicing
- Includes all the necessary components for first check repair
- O-ring lube to reduce any friction
Common Questions
- Will this kit fit my valve?
- The RK SR774/DCDA-CK1 8 fits the 8" size of Watts series 774 / LF774. 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 first check kit. Kit consists of: a first check with a red silicone soft seat, check O-ring, four retaining nuts, and lube.
- Are these genuine Watts parts?
- Yes. This is the factory RK SR774/DCDA-CK1 8 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 774 / LF774 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 SR774/DCDA-CK1 8
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Lead-Free: Yes
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Product Role: repair_kit
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Kit Type: First Check Kit
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Fits Brand: Watts
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Fits Valve Series: 774;LF774
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Fits Valve Size: 8"
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Used With: 8" 774;8" LF774
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Kit Contents: Kit consists of: a first check with a red silicone soft seat, check O-ring, four retaining nuts, and lube.
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Watts Ordering Code: 0888962
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Genuine OEM Parts: Yes
