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

Watts Backflow Preventer Repair Kits: Second Check Kit

The Watts Second Check Kit (SKU 844GH5) is a repair kit for Watts backflow preventers, containing (2) Cam Check with Check O-Rings. It is compatible with Series RK-774 and Mfr. Model No. 774, and fits valve sizes…

SKU 3G-OTH-436874

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

Watts
Manufacturer Part Number
RK774/774DCDA-CK2-21/2-4
Type
36JC71/36JC72/36JC73/36JC78/36JC79/36JC80
Includes
(2) Cam Check with Check O-Rings
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.
36JC71
View Full Spec Sheet

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

Product Description

The Watts Second Check Kit (SKU 844GH5) is a repair kit for Watts backflow preventers, containing (2) Cam Check with Check O-Rings. It is compatible with Series RK-774 and Mfr. Model No. 774, and fits valve sizes from 2-1/2 in to 4 in.

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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