Watts RK 770-S 4 Check Valve

The Watts RK 770-S 4 is a genuine seat kit for 4" 770.

This 4" seat repair kit fore series 770 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 seat and a seat O-ring for one check. Check with local inspection authorities for installation requirements.

Features

• Factory Replacement Kit
• No special tools required for changing parts
• All parts are made of high quality materials
• Seat kit

Common Questions

Will this kit fit my valve?

The RK 770-S 4 fits the 4" size of Watts series 770. 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 seat kit. Kit consists of: a seat and a seat O-ring for one check.

Are these genuine Watts parts?

Yes. This is the factory RK 770-S 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?

For a relief valve fault on 770, order the RV kit for rubber parts only or the VT kit to replace the complete relief valve assembly. This seat kit covers a different part of the assembly.

Specifications

• Type: Check
• Pack Quantity: 12
• Country of Origin: United States
• Warranty: 1 Year Limited
• MPN: RK 770-S 4
• Lead-Free: No
• Product Role: repair_kit
• Kit Type: Seat Kit
• Fits Brand: Watts
• Fits Valve Series: 770
• Fits Valve Size: 4"
• Used With: 4" 770
• Kit Contents: Kit consists of: a seat and a seat O-ring for one check.
• Watts Ordering Code: 0887085
• Genuine OEM Parts: Yes