Watts Backflow Preventer Repair Kits: First Check Kit, 957-OSY 21/2/957-OSY3/957OSY4
The WATTS Backflow Preventer Repair Kits: First Check Kit (SKU 3G-OTH-436755) is a repair kit for Watts backflow preventers, including a First Check Module. It is compatible with valve sizes 2-1/2 in to 4 in, Series…
SKU 3G-OTH-436755
Also listed as: RK957957RPDACK12124 · RK957 957RPDA CK1 21 2 4 · RK957-957RPDA-CK1-21-2-4
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-436755) is a repair kit for Watts backflow preventers, including a First Check Module. It is compatible with valve sizes 2-1/2 in to 4 in, Series RK-957, and manufacturer model number 757DCDA. The kit is identified by manufacturer part number RK957/957RPDA-CK1-21/2-4 and is compatible with part number 1RCX7.
Frequently Asked Questions
What is the Watts backflow preventer first check repair kit used for?
This repair kit is used to replace the first check module in Watts 757DCDA and compatible backflow preventers. It helps maintain backflow prevention in commercial and industrial water systems, ensuring cross-connection control and compliance with plumbing codes.
What are the specifications of the Watts RK957/957RPDA-CK1-21/2-4 repair kit?
The kit includes a First Check Module and is compatible with valve sizes 2-1/2 in to 4 in. It works with Watts Series RK-957 and model 757DCDA backflow preventers. The manufacturer part number is RK957/957RPDA-CK1-21/2-4, and it is also compatible with part number 957OSY4.
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 RK957/957RPDA-CK1-21/2-4 kit for your maintenance needs.
How to install the Watts first check repair kit?
Installation involves shutting off water supply, depressurizing the system, and removing the old first check module from the backflow preventer. Replace it with the new module from the kit, ensuring proper seating and orientation. Reassemble and test per Watts guidelines. Always follow local plumbing codes.
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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.
