Watts Backflow Preventer Repair Kits: First Check Kit, 6AUW3, 8 in Compatible Valve Size
The WATTS Backflow Preventer Repair Kits: First Check Kit (SKU 3G-OTH-436681) is a repair kit designed for Watts backflow preventers. It includes a Red Silicone Disc Elastomer and is compatible with an 8 in valve…
SKU 3G-OTH-436681
Also listed as: RK757757DCDACK18 · RK 757 757DCDA CK1 8 · RK-757-757DCDA-CK1-8
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 Check Kit (SKU 3G-OTH-436681) is a repair kit designed for Watts backflow preventers. It includes a Red Silicone Disc Elastomer and is compatible with an 8 in valve size, Series 757, and Mfr. Model No. 757DCDA. The manufacturer part number is RK 757/757DCDA-CK1 8.
Frequently Asked Questions
What is the Watts backflow preventer first check repair kit used for?
This repair kit is used to service Watts Series 757 backflow preventers with an 8-inch valve size. It replaces the first check valve assembly, including the red silicone disc elastomer, to restore proper backflow protection in commercial water systems.
What are the specifications of the Watts RK 757/757DCDA-CK1 8 repair kit?
The kit is compatible with an 8-inch valve size and Watts Series 757 and model 757DCDA. It includes a red silicone disc elastomer. The manufacturer part number is RK 757/757DCDA-CK1 8, and the part number is 6AUW3.
Where to buy Watts backflow preventer repair kits worldwide?
3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to order the RK 757/757DCDA-CK1 8 kit for your 8-inch valve.
How to install a Watts first check repair kit?
To install, isolate the backflow preventer and relieve pressure. Remove the first check cover, replace the old disc with the new red silicone elastomer from the kit, and reassemble. Follow Watts' instructions for torque and testing to ensure proper sealing and compliance.
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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.
