Watts Backflow Preventer Repair Kits: First or Second Check Kit, 36JC68/LF719-QT-S
The WATTS Backflow Preventer Repair Kits: First or Second Check Kit (SKU 3G-OTH-436740) is a repair kit for Watts backflow preventers, compatible with Series RK-LF719 and Mfr. Model No. LF719. It includes a disc…
SKU 3G-OTH-436740
Also listed as: RK719CK4114112 · RK 719 CK4 1 1 4 1 1 2 · RK-719-CK4-1-1-4-1-1-2
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The WATTS Backflow Preventer Repair Kits: First or Second Check Kit (SKU 3G-OTH-436740) is a repair kit for Watts backflow preventers, compatible with Series RK-LF719 and Mfr. Model No. LF719. It includes a disc holder and is designed for valve sizes 1-1/4 in to 1-1/2 in. The manufacturer part number is RK 719-CK4 1-1/4-1-1/2.
Frequently Asked Questions
What is the Watts backflow preventer repair kit used for?
The Watts backflow preventer repair kit is used to replace worn first or second check components in Watts LF719 and RK-LF719 series backflow preventers. It includes a disc holder and is designed for valve sizes 1-1/4 in to 1-1/2 in, helping maintain backflow prevention in commercial and industrial water systems.
What are the specifications of the Watts backflow preventer repair kit?
The Watts repair kit (MPN RK 719-CK4 1-1/4-1-1/2) is compatible with valve sizes 1-1/4 in to 1-1/2 in and fits Series RK-LF719 and Mfr. Model No. LF719. It includes a disc holder and is also compatible with Part No. 36JC68. The kit is designed for first or second check repair on Watts backflow preventers.
Where to buy Watts backflow preventer repair kits worldwide?
3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the RK 719-CK4 1-1/4-1-1/2 kit or other Watts repair parts for your backflow preventer needs.
How to install a Watts backflow preventer repair kit?
To install the Watts repair kit, first isolate the backflow preventer and relieve pressure. Remove the check valve cover, extract the old disc holder and check assembly, then install the new kit components in the correct orientation. Reassemble the cover and test for proper sealing. Always follow Watts' installation instructions for your specific model.
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Common applications for WattsWatts Products
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.
