Watts Backflow Preventer Repair Kits: First Check Kit, 3LF009NRS, 009/LF009, Repair Kit
The WATTS Backflow Preventer Repair Kits: First Check Kit (SKU 3G-OTH-436739) is a repair kit for Watts backflow preventers, compatible with Series RK-LF009 and Mfr. Model No. LF009. It includes a Flow Tube O-Ring…
SKU 3G-OTH-436739
Also listed as: LFRK009CK12123 · LFRK 009 CK1 2 1 2 3 · LFRK-009-CK1-2-1-2-3
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 Check Kit (SKU 3G-OTH-436739) is a repair kit for Watts backflow preventers, compatible with Series RK-LF009 and Mfr. Model No. LF009. It includes a Flow Tube O-Ring and fits valve sizes 2-1/2 in to 3 in. The manufacturer part number is LFRK 009-CK1 2-1/2-3, and it is compatible with Part No. 522P31.
Frequently Asked Questions
What is the Watts backflow preventer first check repair kit used for?
The Watts backflow preventer first check repair kit is used to service the first check valve assembly in Watts LF009 series backflow preventers. It includes a flow tube O-ring and is designed for valve sizes 2-1/2 in to 3 in, helping maintain backflow protection in commercial and industrial water systems.
What are the specifications of the Watts 3LF009NRS repair kit?
The Watts 3LF009NRS repair kit, also known as the first check kit (MPN LFRK 009-CK1 2-1/2-3), is compatible with Series RK-LF009 and Mfr. Model No. LF009. It includes a flow tube O-ring and fits valve sizes 2-1/2 in to 3 in. It is compatible with Part No. 3LF009NRS.
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 time on the 3LF009NRS first check kit or other Watts repair parts.
How to install a Watts backflow preventer first check repair kit?
To install the Watts first check repair kit, isolate the backflow preventer and relieve pressure. Remove the first check valve assembly, replace the old O-ring with the included flow tube O-ring, and reassemble. Follow Watts' generic installation guidelines for LF009 series devices. Always test the assembly after installation to ensure proper sealing.
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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.
