Watts Backflow Preventer Repair Kits: Second Check Kit
The Watts Second Check Kit (SKU 3G-OTH-436874) is a repair kit for Watts backflow preventers, containing (2) Cam Check with Check O-Rings. It is compatible with Series RK-774 and Mfr. Model No. 774, and fits valve…
SKU 3G-OTH-436874
Also listed as: RK774774DCDACK22124 · RK774 774DCDA CK2 21 2 4 · RK774-774DCDA-CK2-21-2-4
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 Second Check Kit (SKU 3G-OTH-436874) is a repair kit for Watts backflow preventers, containing (2) Cam Check with Check O-Rings. It is compatible with Series RK-774 and Mfr. Model No. 774, and fits valve sizes from 2-1/2 in to 4 in.
Frequently Asked Questions
What is a Watts backflow preventer second check kit used for?
A Watts second check kit is used to repair the second check valve assembly in a backflow preventer, ensuring it prevents reverse water flow and contamination. It is designed for Watts Series 774 models and fits valve sizes from 2-1/2 in to 4 in.
What are the specifications of the Watts RK774/774DCDA-CK2-21/2-4 second check kit?
The Watts second check kit (MPN RK774/774DCDA-CK2-21/2-4) includes (2) Cam Check with Check O-Rings. It is compatible with Series RK-774 and Mfr. Model No. 774, and fits valve sizes from 2-1/2 in to 4 in. It is also compatible with Part No. 774-NRS.
Where to buy Watts backflow preventer repair kits worldwide?
3G Electric supplies Watts backflow preventer repair kits, including the second check kit for Series 774, to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct Watts parts for your valve size from 2-1/2 in to 4 in.
How to install a Watts second check kit in a backflow preventer?
To install a Watts second check kit, first depressurize and isolate the backflow preventer. Remove the access cover and replace the existing second check assembly with the new (2) Cam Check and Check O-Rings from the kit. Reassemble and test per local plumbing codes. Always follow the manufacturer's 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.
