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Watts 800M4 1 1st Check Kit, 1 in, Repair Kit for Backflow Preventers - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts 800M4 1 1st Check Kit, 1 in, Repair Kit for Backflow Preventers

The WATTS Vacuum Breaker Repair Kit: Check Repair Kit (SKU 3G-OTH-436689) is a repair kit for Watts backflow preventers, specifically designed for the 800M4 series. It includes a check spring and is compatible with a…

SKU 3G-OTH-436689

Also listed as: 800M411stCheckKit · 800M4-1-1st-Check-Kit

Brand
Watts
Item
800M4 1 1st Check Kit, 1 in, Repair Kit for Backflow Preventers
Part Number
800M4 1 1st Check Kit
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:800M4 1 1st Check KitWatts
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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

Technical Specifications

Watts
Manufacturer Part Number
800M4 1 1st Check Kit
Type
36JD33/793HT9/809GD1/809GD2, 1 800M4, Repair Kit
Includes
Check Spring
Compatible Valve Size
1 in
Compatible with Series
800M4
Compatible with Mfr. Model No.
1 800M4

Technical Documents

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Vacuum Breaker Repair Kit: Check Repair Kit (SKU 3G-OTH-436689) is a repair kit for Watts backflow preventers, specifically designed for the 800M4 series. It includes a check spring and is compatible with a 1-inch valve size, corresponding to manufacturer part number 800M4 1 1st Check Kit and model 1 800M4.

Frequently Asked Questions

What is the Watts 800M4 vacuum breaker repair kit used for?

The Watts 800M4 vacuum breaker repair kit is used to service backflow preventers in the 800M4 series. It replaces worn check components to maintain proper backflow protection in commercial and industrial water systems, ensuring compliance with cross-connection control regulations.

What are the specifications of the Watts 800M4 check repair kit?

The Watts 800M4 check repair kit includes a check spring and is compatible with a 1-inch valve size. It fits the 800M4 series and corresponds to manufacturer part number 800M4 1 1st Check Kit and model 1 800M4. It is also compatible with part number 1 LF800M4-FR.

Where to buy Watts backflow repair kits worldwide?

3G Electric supplies Watts backflow repair kits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the Watts 800M4 check repair kit.

How to install a Watts 800M4 check repair kit?

To install the Watts 800M4 check repair kit, first depressurize and isolate the backflow preventer. Remove the bonnet and internal check assembly, replace the old check spring with the new one from the kit, and reassemble. Always follow the manufacturer's instructions for proper torque and testing.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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Watts 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.

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