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Watts 800M3-1/2-3/4 1st Check Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts 800M3-1/2-3/4 1st Check Kit

The WATTS Vacuum Breaker Repair Kit is a backflow repair kit designed for use with Watts 800M3 series backflow preventers. It is compatible with valve sizes from 1/2 in to 3/4 in and includes a bonnet O-ring. The…

SKU 3G-OTH-436828

Also listed as: 800M312341stCheckKit · 800M3 1 2 3 4 1st Check Kit · 800M3-1-2-3-4-1st-Check-Kit

Brand
Watts
Item
800M3-1/2-3/4 1st Check Kit
Category
Repair Kits & Parts for Watts Backflow Preventers
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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
800M3-1/2-3/4 1st Check Kit
Type
800M3
Includes
Bonnet O-Ring
Compatible Valve Size
1/2 in to 3/4 in
Compatible with Series
800M3
Compatible with Mfr. Model No.
1/2 - 3/4 800M3

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Vacuum Breaker Repair Kit is a backflow repair kit designed for use with Watts 800M3 series backflow preventers. It is compatible with valve sizes from 1/2 in to 3/4 in and includes a bonnet O-ring. The manufacturer part number is 800M3-1/2-3/4 1st Check Kit.

Frequently Asked Questions

What is the Watts 800M3 vacuum breaker repair kit used for?

The Watts 800M3 vacuum breaker repair kit is used to service backflow preventers in the 800M3 series. It replaces worn internal components, including the bonnet O-ring, to restore proper sealing and prevent backflow contamination in potable water systems. This kit is suitable for commercial and residential plumbing applications.

What are the specifications of the Watts 800M3-1/2-3/4 1st check kit?

The Watts 800M3-1/2-3/4 1st check kit is compatible with valve sizes from 1/2 in to 3/4 in and fits the Watts 800M3 series backflow preventers. It includes a bonnet O-ring. The manufacturer part number is 800M3-1/2-3/4 1st Check Kit, and it is designed for first-check repair on 800M3 models.

Where to buy Watts backflow repair kits worldwide?

You can order the Watts 800M3 vacuum breaker repair kit from 3G Electric, a global industrial equipment distributor. We source and deliver this genuine Watts repair kit worldwide, handling full logistics and customs clearance. Contact us for availability and lead time; we provide reliable supply to any international destination.

How to install the Watts 800M3 repair kit?

To install the Watts 800M3 repair kit, first depressurize and drain the backflow preventer. Remove the bonnet and replace the old O-ring with the included bonnet O-ring. Reassemble the valve and test for leaks. Always follow the manufacturer's instructions for your specific 800M3 model to ensure proper sealing and compliance.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

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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