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Watts RK 919-RT 1-1/4-1-1/2 Repair Kit for Backflow Preventers - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK 919-RT 1-1/4-1-1/2 Repair Kit for Backflow Preventers

The WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit (SKU 3G-OTH-436786) is a repair kit for Watts backflow preventers, compatible with the RK-919 series and LF919 model. It includes a Relief Valve…

SKU 3G-OTH-436786

Also listed as: RK919RT114112 · RK 919 RT 1 1 4 1 1 2 · RK-919-RT-1-1-4-1-1-2

Brand
Watts
Item
RK 919-RT 1-1/4-1-1/2 Repair Kit for Backflow Preventers
Category
Repair Kits & Parts for Watts Backflow Preventers
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
RK 919-RT 1-1/4-1-1/2
Type
809GC8/809GC9, 919/LF919, RK-919
Includes
Relief Valve Stem O-Ring
Compatible Valve Size
1-1/2 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: Complete Rubber Parts Kit (SKU 3G-OTH-436786) is a repair kit for Watts backflow preventers, compatible with the RK-919 series and LF919 model. It includes a Relief Valve Stem O-Ring and is designed for a 1-1/2 in valve size. The manufacturer part number is RK 919-RT 1-1/4-1-1/2, and it is compatible with Part No. 809GC8.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

The Watts backflow preventer repair kit is used to replace worn rubber parts in Watts backflow preventers, ensuring proper sealing and preventing reverse water flow. It is compatible with the RK-919 series and LF919 model, and includes a relief valve stem O-ring for a 1-1/2 in valve size.

What are the specifications of the Watts RK-919 repair kit?

The Watts RK-919 repair kit includes a relief valve stem O-ring and is compatible with a 1-1/2 in valve size. It works with the RK-919 series and LF919 model, and has manufacturer part number RK 919-RT 1-1/4-1-1/2. It is also compatible with Part No. 1-1/4 LF919-QT-S-FS.

Where to buy Watts backflow preventer repair kits worldwide?

You can source Watts backflow preventer repair kits worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the RK-919 kit.

How to install a Watts backflow preventer repair kit?

To install a Watts backflow preventer repair kit, first depressurize the system and remove the valve cover. Replace the old rubber parts with the new ones from the kit, including the relief valve stem O-ring. Reassemble the valve and test for leaks. Always follow the manufacturer's instructions for your specific model.

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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