Watts RK 773-RC4 Double Check Backflow Preventer

The Watts RK 773-RC4 is a genuine check rubber parts kit (first or second) for 773 double check valve assemblies. It features a rubber seat.

This rubber parts repair kit is for 773 series double check valve which is designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements. This kit consists of a disc, seat O-ring and a cover O-ring.

Features

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

Common Questions

Will this kit fit my valve?

The RK 773-RC4 fits Watts series 773. 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 disc, seat O-ring and a cover O-ring.

Are these genuine Watts parts?

Yes. This is the factory RK 773-RC4 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 773 in your size; a total repair (T) kit covers the relief valve and both checks.

Specifications

• Type: Double Check
• Seat / Seal Material: Rubber
• Country of Origin: China
• Warranty: 1 Year Limited
• MPN: RK 773-RC4
• Lead-Free: No
• Product Role: repair_kit
• Kit Type: Check Rubber Parts Kit (First or Second)
• Fits Brand: Watts
• Fits Valve Series: 773
• Kit Contents: Kit consists of: a disc, seat O-ring and a cover O-ring.
• Watts Ordering Code: 0888429
• Genuine OEM Parts: Yes