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Watts RK 719-RT 1/2 Repair Kit for 1/2 in Series 719 and LF719 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK 719-RT 1/2 Repair Kit for 1/2 in Series 719 and LF719

The WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit (SKU 3G-OTH-436875) is a repair kit designed for Watts backflow preventers. It includes (2) Check Rubbers and is compatible with 1/2 in valve sizes…

SKU 3G-OTH-436875

Also listed as: RK719RT12 · RK 719 RT 1 2 · RK-719-RT-1-2

Brand
Watts
Item
RK 719-RT 1/2 Repair Kit for 1/2 in Series 719 and LF719
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 719-RT 1/2
Type
36JC65, 719/LF719, Repair Kit, 719
Includes
(2) Check Rubbers
Compatible Valve Size
1/2 in
Compatible with Series
719
Compatible with Mfr. Model No.
LF719

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-436875) is a repair kit designed for Watts backflow preventers. It includes (2) Check Rubbers and is compatible with 1/2 in valve sizes, Series 719, and Mfr. Model No. LF719 (MPN RK 719-RT 1/2).

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 components in Watts Series 719 and LF719 backflow preventers. It restores sealing performance to prevent reverse water flow in plumbing systems, ensuring compliance with backflow prevention codes in commercial and residential applications.

What are the specifications of the Watts backflow preventer repair kit?

This repair kit includes (2) check rubbers and is compatible with 1/2 in valve sizes. It fits Watts Series 719 and model LF719 backflow preventers. The manufacturer part number is RK 719-RT 1/2. It is also compatible with part number LF719-QT-S.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the RK 719-RT 1/2 kit for your Watts Series 719 or LF719 backflow preventer.

How to install the Watts backflow preventer repair kit?

To install the Watts repair kit, first depressurize and isolate the backflow preventer. Remove the valve bonnet and internal assembly, then replace the old check rubbers with the new ones from the kit. Reassemble the valve and test for proper sealing. 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Repair kit for Watts Series 719 and LF719 backflow preventers. Includes two check seat O-rings. Compatible with 3/4 in valve size. Used to replace worn rubber components in backflow prevention assemblies
Watts
Repair kit for Watts Series 719 and LF719 backflow preventers. Includes two check seat O-rings. Compatible with 3/4 in valve size. Used to replace worn rubber components in backflow prevention assemblies
This repair kit includes two check rubbers for restoring sealing in Watts backflow preventers. Compatible with 1 in valve size, Series 719, and model LF719. Used to replace worn rubber components in backflow prevention assemblies
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This repair kit includes two check rubbers for restoring sealing in Watts backflow preventers. Compatible with 1 in valve size, Series 719, and model LF719. Used to replace worn rubber components in backflow prevention assemblies
Repair kit for Watts Series 719 and Model 719 backflow preventers in 1-1/4 in size. Includes (2) check cover O-rings to restore sealing performance. Used for routine maintenance of backflow preventers in plumbing systems to prevent reverse water flow
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Repair kit for Watts Series 719 and Model 719 backflow preventers in 1-1/4 in size. Includes (2) check cover O-rings to restore sealing performance. Used for routine maintenance of backflow preventers in plumbing systems to prevent reverse water flow
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, LF719-QT-S, 2 in Compatible Valve Size (MPN RK 719-RT 2)
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WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, LF719-QT-S, 2 in Compatible Valve Size (MPN RK 719-RT 2)
Repair kit for Watts backflow preventers, includes (2) check seat O-rings. Compatible with 3/4 in valve size, Series RK-919, and model LF919. Used to replace worn rubber components in backflow preventers for maintaining proper sealing
Watts
Repair kit for Watts backflow preventers, includes (2) check seat O-rings. Compatible with 3/4 in valve size, Series RK-919, and model LF919. Used to replace worn rubber components in backflow preventers for maintaining proper sealing
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, LF709-NRS/LF709-OSY, 709/LF709, 709 (MPN RK 709-RT 4)
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WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, LF709-NRS/LF709-OSY, 709/LF709, 709 (MPN RK 709-RT 4)

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