Watts Backflow Preventer Repair Kits: Second Check Kit, 809GD0, 2 in Compatible Valve Size
The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 3G-OTH-436850) is a repair kit for Watts backflow preventers, compatible with the RK-919 series and LF919 model. It includes a spring and cover O-ring…
SKU 3G-OTH-436850
Also listed as: RK919CK22 · RK 919 CK2 2 · RK-919-CK2-2
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: Second Check Kit (SKU 3G-OTH-436850) is a repair kit for Watts backflow preventers, compatible with the RK-919 series and LF919 model. It includes a spring and cover O-ring and is designed for a 2-inch compatible valve size. This kit is identified by manufacturer part number RK 919-CK2 2.
Frequently Asked Questions
What is the Watts backflow preventer second check kit used for?
The Watts second check repair kit is used to replace the spring and cover O-ring in the second check valve assembly of compatible Watts backflow preventers. It is designed for the RK-919 series and LF919 model, helping maintain backflow prevention in commercial and industrial water systems.
What are the specifications of the Watts RK 919-CK2 2 repair kit?
The Watts RK 919-CK2 2 repair kit includes a spring and cover O-ring. It is compatible with a 2-inch valve size, the RK-919 series, and the LF919 model. The manufacturer part number is RK 919-CK2 2, and it is also compatible with OEM part number 809GD0.
Where to buy Watts backflow preventer repair kits worldwide?
You can source the Watts RK 919-CK2 2 second check kit worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact them for availability and lead time.
How to install the Watts second check repair kit?
To install the Watts second check kit, first depressurize and isolate the backflow preventer. Remove the second check valve assembly, replace the old spring and cover O-ring with the new components from the RK 919-CK2 2 kit, then reassemble and test for proper sealing. Always follow Watts' instructions.
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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.
