Watts Backflow Preventer Repair Kits: First Check Kit, 809GC7, 1 in Compatible Valve Size
The WATTS Backflow Preventer Repair Kits: First Check Kit (SKU 3G-OTH-436792) is a repair kit for Watts backflow preventers, compatible with a 1 in valve size and the RK-919 series. It includes a spring and cover…
SKU 3G-OTH-436792
Also listed as: RK919CK11 · RK 919 CK1 1 · RK-919-CK1-1
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-436792) is a repair kit for Watts backflow preventers, compatible with a 1 in valve size and the RK-919 series. It includes a spring and cover O-ring and is designed for use with the LF919 model (MPN RK 919-CK1 1) and Part No. 809GC7.
Frequently Asked Questions
What is the Watts backflow preventer first check kit used for?
The Watts First Check Kit (MPN RK 919-CK1 1) is used to repair the first check valve in Watts 919 and LF919 series backflow preventers. It restores sealing integrity by replacing the spring and cover O-ring, ensuring the assembly prevents reverse water flow in commercial and residential plumbing systems.
What are the specifications of the Watts 809GC7 repair kit?
The Watts 809GC7 repair kit (SKU 844GG6) is compatible with a 1 in valve size and the RK-919 series. It includes a spring and cover O-ring and is designed for the LF919 model. The manufacturer part number is RK 919-CK1 1. It is also compatible with OEM Part No. 809GC7.
Where to buy Watts backflow preventer repair kits worldwide?
3G Electric supplies Watts backflow preventer repair kits, including the RK 919-CK1 1 first check kit, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote for your region.
How to install a Watts first check kit in a backflow preventer?
To install the Watts first check kit, isolate the backflow preventer and relieve pressure. Remove the access cover, extract the old spring and cover O-ring, and clean the seating surfaces. Install the new spring and O-ring from the kit, reassemble, and test for proper sealing per local 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.
