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

The WATTS Backflow Preventer Repair Kits: First Check Kit (SKU 3G-OTH-436732) 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…

SKU 3G-OTH-436732

Also listed as: RK919CK134 · RK 919 CK1 3 4 · RK-919-CK1-3-4

Brand
Watts
Item
Backflow Preventer Repair Kits: First 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-CK1-3/4
Type
809GC6, RK-919
Includes
Check Assembly
Compatible Valve Size
3/4 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
LF919

Technical Documents

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

Product Description

The WATTS Backflow Preventer Repair Kits: First Check Kit (SKU 3G-OTH-436732) 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 the LF919 model. The kit is identified by manufacturer part number RK 919-CK1-3/4 and is compatible with part number 809GC6.

Frequently Asked Questions

What is the Watts backflow preventer first check repair kit used for?

This repair kit is used to replace the first check assembly in Watts backflow preventers, ensuring proper backflow protection in commercial and residential water systems. It is compatible with 3/4 in valve sizes and the RK-919 series, including model LF919.

What are the specifications of the Watts RK 919-CK1-3/4 repair kit?

The Watts RK 919-CK1-3/4 first check kit includes a check assembly and is compatible with a 3/4 in valve size. It works with the RK-919 series and Watts model LF919, and is identified by OEM part number 809GC6.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits like the RK 919-CK1-3/4 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine Watts parts for your backflow prevention system.

How to install a Watts first check repair kit?

To install the Watts first check repair kit, isolate the backflow preventer, relieve pressure, and remove the valve cover. Replace the old check assembly with the new one from the kit, reassemble, and test for proper operation. Always follow 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Backflow Preventer Repair Kits: Second Check Kit, 809GC6, 3/4 in Compatible Valve Size, RK-919 (MPN RK 919-CK2-3/4)
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WATTS Backflow Preventer Repair Kits: First Check Kit, 809GC8/809GC9, 919/LF919, Repair Kit, RK-919 (MPN RK 919-CK1 1-1/4-1-1/2)
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