Watts Backflow Preventer Repair Kits: First or Second Check Kit, 36JC57/36JC63
The WATTS Backflow Preventer Repair Kits: First or Second Check Kit is a repair kit for Watts backflow preventers, compatible with the 8 in valve size and Series RK-LF709. It includes a Cover O-Ring and is designed…
SKU 3G-OTH-436789
Also listed as: LFRK709CK48 · LFRK 709 CK4 8 · LFRK-709-CK4-8
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The WATTS Backflow Preventer Repair Kits: First or Second Check Kit is a repair kit for Watts backflow preventers, compatible with the 8 in valve size and Series RK-LF709. It includes a Cover O-Ring and is designed for use with the 709 model (MPN LFRK 709-CK4 8).
Frequently Asked Questions
What is the Watts backflow preventer repair kit used for?
The Watts backflow preventer repair kit is used to replace the first or second check assembly in Watts 709 and LF709 series backflow preventers. It is designed for 8-inch valves and includes a cover O-ring to restore proper sealing and prevent backflow in commercial and industrial water systems.
What are the specifications of the Watts backflow preventer repair kit?
This repair kit, MPN LFRK 709-CK4 8, is compatible with 8-inch valve size and Watts Series RK-LF709. It includes a cover O-ring and is designed for use with the Watts 709 model. The kit is identified by OEM Part No. 36JC57 and is a first or second check replacement kit.
Where to buy Watts backflow preventer repair kits worldwide?
3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the LFRK 709-CK4 8 kit for your 8-inch Watts 709 backflow preventer.
How to install a Watts backflow preventer repair kit?
To install the Watts repair kit, first isolate the valve and relieve pressure. Remove the cover, replace the old check assembly with the new kit components, and install the included cover O-ring. Reassemble and test for leaks per local plumbing codes. Always follow Watts' generic installation guidelines for backflow preventers.
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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.
