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Watts Backflow Preventer Repair Kits: Second Check Kit, 809GC6, 3/4 in Compatible Valve Size - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Second Check Kit, 809GC6, 3/4 in Compatible Valve Size

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU RK 919-CK2-3/4, MPN RK 919-CK2-3/4) is a repair kit for Watts backflow preventers, including a check assembly. It is compatible with a 3/4 in valve…

SKU 3G-OTH-436799

Also listed as: RK919CK234 · RK 919 CK2 3 4 · RK-919-CK2-3-4

Brand
Watts
Item
Backflow Preventer Repair Kits: Second Check Kit, 809GC6, 3/4 in Compatible Valve Size
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 919-CK2-3/4
Type
809GC6, RK-919
Includes
Check Assembly
Compatible Valve Size
3/4 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
919

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

Product Description

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU RK 919-CK2-3/4, MPN RK 919-CK2-3/4) is a repair kit for Watts backflow preventers, including a check assembly. It is compatible with a 3/4 in valve size, the RK-919 series, and manufacturer model number 919, as well as part number 809GC6.

Frequently Asked Questions

What is the Watts backflow preventer second check kit used for?

The Watts second check kit is used to repair the second check valve assembly inside a Watts 919 series backflow preventer. It is essential for maintaining backflow protection in commercial and residential water systems, ensuring compliance with plumbing codes by replacing worn internal components.

What are the specifications of the Watts RK 919-CK2-3/4 repair kit?

The Watts RK 919-CK2-3/4 second check kit includes a check assembly and is compatible with a 3/4 in valve size. It is designed for the Watts 919 series backflow preventer and matches part number 809GC6. The manufacturer part number is RK 919-CK2-3/4.

Where to buy Watts backflow preventer repair kits worldwide?

You can source the Watts RK 919-CK2-3/4 second check kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine Watts repair components for your backflow preventer.

How to install a Watts second check kit in a backflow preventer?

To install the Watts second check kit, first depressurize the system and remove the access cover. Replace the old check assembly with the new one from the kit, ensuring proper orientation. Reassemble the valve and test for leaks. Always follow Watts' generic installation guidelines for safe operation.

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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