Watts RK 774/774DCDA-CK1 6 Double Check Backflow Preventer

The Watts RK 774/774DCDA-CK1 6 is a genuine first check kit for 6" 774 / 774DCDA double check valve assemblies.

This first check repair kit provides all the parts necessary to repair or replace the first check on a 6 inch double check valve assembly backflow preventer, model 774 and double check detector assembly backflow preventer, model 774DCDA. This kit consists of a complete number one cam check with a check O-ring.

Features

• Factory replacement kit
• No special tools required for servicing
• All parts are made of high quality materials
• Serviceable in the field

Common Questions

Will this kit fit my valve?

The RK 774/774DCDA-CK1 6 fits the 6" size of Watts series 774 / 774DCDA. 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 complete number one cam check with a check O-ring.

Are these genuine Watts parts?

Yes. This is the factory RK 774/774DCDA-CK1 6 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 / 774DCDA in your size; a total repair (T) kit covers the relief valve and both checks.

Specifications

• Type: Double Check
• Country of Origin: Mexico
• Warranty: 1 Year Limited
• MPN: RK 774/774DCDA-CK1 6
• Lead-Free: No
• Product Role: repair_kit
• Kit Type: First Check Kit
• Fits Brand: Watts
• Fits Valve Series: 774;774DCDA
• Fits Valve Size: 6"
• Used With: 6" 774;6" 774DCDA
• Kit Contents: Kit consists of: a complete number one cam check with a check O-ring.
• Watts Ordering Code: 0888821
• Genuine OEM Parts: Yes