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Watts Backflow Preventer Repair Kits: First Check Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: First Check Kit

The WATTS Backflow Preventer Repair Kits: First Check Kit is a repair kit for Watts backflow preventers, compatible with Series RK-774 and Mfr. Model No. 774. It includes a Cam Check with a Check O-Ring and is…

SKU 3G-OTH-436758

Brand
Watts
Item
Backflow Preventer Repair Kits: First Check Kit
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK774/774DCDA-CK1-21/2-4
Type
36JC71/36JC72/36JC73/36JC78/36JC79/36JC80
Includes
Cam Check with a Check O-Ring
Compatible Valve Size
2-1/2 in to 4 in
Compatible with Series
RK-774
Compatible with Mfr. Model No.
774
Compatible with Grainger Part No.
36JC80
View Full Spec Sheet

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Backflow Preventer Repair Kits: First Check Kit is a repair kit for Watts backflow preventers, compatible with Series RK-774 and Mfr. Model No. 774. It includes a Cam Check with a Check O-Ring and is designed for compatible valve sizes of 2-1/2 in to 4 in. The manufacturer part number is RK774/774DCDA-CK1-21/2-4.

Frequently Asked Questions

What is the WATTS Backflow Preventer First Check Kit used for?

The WATTS First Check Kit is a repair kit for backflow preventers, specifically for Series RK-774 and Model 774. It includes a Cam Check with a Check O-Ring to replace worn internal components, ensuring backflow prevention in commercial and industrial water systems.

What are the specifications of the WATTS First Check Kit?

The WATTS First Check Kit (MPN RK774/774DCDA-CK1-21/2-4) is compatible with valve sizes 2-1/2 in to 4 in. It includes a Cam Check with a Check O-Ring and is designed for Series RK-774 and Model 774 backflow preventers.

Where to buy WATTS backflow preventer repair kits worldwide?

3G Electric supplies WATTS backflow preventer repair kits, including the First Check Kit, to customers worldwide. We handle full logistics and customs clearance, delivering genuine industrial parts to your facility regardless of location.

How to install a WATTS First Check Kit in a backflow preventer?

To install the WATTS First Check Kit, isolate the backflow preventer and relieve pressure. Remove the old check assembly and replace it with the new Cam Check and Check O-Ring from the kit. Reassemble and test per local plumbing codes.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts repair kits & parts for watts backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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