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Watts RK 919-T 1 Backflow Preventer Repair Kit, 1 in, Second Check - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK 919-T 1 Backflow Preventer Repair Kit, 1 in, Second Check

The WATTS Backflow Preventer Repair Kit (SKU 3G-OTH-436855) is a repair kit for Watts backflow preventers, including a Second Check Repair Kit. It is compatible with 1 in valve sizes, Series RK-919, and manufacturer…

SKU 3G-OTH-436855

Also listed as: RK919T1 · RK 919 T 1 · RK-919-T-1

Brand
Watts
Item
RK 919-T 1 Backflow Preventer Repair Kit, 1 in, Second Check
Category
Repair Kits & Parts for Watts Backflow Preventers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
RK 919-T 1
Type
809GC7, RK-919
Includes
Second Check Repair Kit
LF919-QT-S-FS
1
Compatible Valve Size
1 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
1 LF919-QT-S-FS

Technical Documents

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

Product Description

The WATTS Backflow Preventer Repair Kit (SKU 3G-OTH-436855) is a repair kit for Watts backflow preventers, including a Second Check Repair Kit. It is compatible with 1 in valve sizes, Series RK-919, and manufacturer model number 1 LF919-QT-S-FS.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

The Watts backflow preventer repair kit is used to service and restore Watts backflow preventers in commercial and residential water systems. It includes a second check repair kit for maintaining backflow prevention assemblies, ensuring safe water supply by preventing reverse flow contamination.

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

The Watts RK-919 repair kit (MPN RK 919-T 1) is compatible with 1 in valve sizes and Series RK-919 backflow preventers. It includes a second check repair kit and is compatible with model 1 LF919-QT-S-FS and part 1 LF919-QT-S-FS. It is designed for Watts brand equipment.

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 isolate the valve and relieve pressure. Remove the valve bonnet and internal components, then replace worn parts with the included second check repair kit. Reassemble and test for leaks per manufacturer guidelines. 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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Cross-referenced by specification & description
WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 1-1/4 LF919-QT-S-FS/1-1/2 LF919-QT-S-FS, Repair Kit (MPN RK 919-T 1-1/4-1-1/2)
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WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 1-1/4 LF919-QT-S-FS/1-1/2 LF919-QT-S-FS, Repair Kit (MPN RK 919-T 1-1/4-1-1/2)
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WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, 3/4 LF919-QT-S-FS, 3/4 LF919-QT-S-FS (MPN RK 919-T 3/4)
WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, Repair Kit, RK-919 (MPN RK 919-T 1/4-1/2)
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WATTS Backflow Preventer Repair Kit: Backflow Preventer Repair Kit, Repair Kit, RK-919 (MPN RK 919-T 1/4-1/2)
Repair kit for Watts 809GC8/809GC9 and 919/LF919 backflow preventers. Includes check assembly. Compatible with valve sizes 1-1/4 in to 1-1/2 in. Used to restore proper backflow prevention in water systems
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Repair kit for Watts 809GC8/809GC9 and 919/LF919 backflow preventers. Includes check assembly. Compatible with valve sizes 1-1/4 in to 1-1/2 in. Used to restore proper backflow prevention in water systems
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