Watts RK 775/775DCDA-RC2 6-8 Check Valve

The Watts RK 775/775DCDA-RC2 6-8 is a genuine second check rubber parts kit for 6" to 8" 775 / 775DCDA. It features a rubber seat.

This 6-8" second check rubber parts replacement kit for series 775 and 775DCDA prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a second check assembly O-ring and check disc. It is designed for installation on applications identified by local authorities as non-health hazard, such as on fire protection systems.

Features

• Factory replacement kit
• No special tools required for changing parts
• All parts are made of high quality materials
• Second Check Rubber Parts Kit

Common Questions

Will this kit fit my valve?

The RK 775/775DCDA-RC2 6-8 fits 6" and 8" sizes of Watts series 775 / 775DCDA. 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 second check rubber parts kit. Kit consists of: a second check assembly O-ring and check disc.

Are these genuine Watts parts?

Yes. This is the factory RK 775/775DCDA-RC2 6-8 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 775 / 775DCDA in your size; a total repair (T) kit covers the relief valve and both checks.

Specifications

• Type: Check
• Seat / Seal Material: Rubber
• Country of Origin: United States
• Warranty: 1 Year Limited
• MPN: RK 775/775DCDA-RC2 6-8
• Lead-Free: No
• Product Role: repair_kit
• Kit Type: Second Check Rubber Parts Kit
• Fits Brand: Watts
• Fits Valve Series: 775;775DCDA
• Fits Valve Size: 6";8"
• Used With: 6" 775;6" 775DCDA;8" 775;8" 775DCDA
• Kit Contents: Kit consists of: a second check assembly O-ring and check disc.
• Watts Ordering Code: 0888909
• Genuine OEM Parts: Yes