Watts Backflow Preventer Repair Kits: First Check Kit, 1 LF919-QT-S-FS
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 — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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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.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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 1 LF919-QT-S-FS repair kit?
The Watts 1 LF919-QT-S-FS repair kit (SKU 3G-OTH-436792) 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 Part No. 1 LF919-QT-S-FS.
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.
