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Watts Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4

The Watts 800M4-1/2-3/4 1st Check Kit is a pressure vacuum breaker check repair kit designed for Watts backflow preventers. It includes a bonnet O-ring and is compatible with valve sizes of 1/2 in to 3/4 in and the…

SKU 3G-OTH-436692

Brand
Watts
Item
Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
800M4-1/2-3/4 1st Check Kit
Type
1/2 - 3/4 800M4, Repair Kit
Includes
Bonnet O-Ring
Compatible Valve Size
1/2 in to 3/4 in
Compatible with Series
800M4
Compatible with Mfr. Model No.
1/2 - 3/4 800M4
Compatible with Grainger Part No.
793HT8
View Full Spec Sheet

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

Product Description

The Watts 800M4-1/2-3/4 1st Check Kit is a pressure vacuum breaker check repair kit designed for Watts backflow preventers. It includes a bonnet O-ring and is compatible with valve sizes of 1/2 in to 3/4 in and the Series 800M4. This kit is intended for use with the 1/2 - 3/4 800M4 model.

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 800M4-1/2-3/4 1st Check Kit used for?

This repair kit is used to service the first check valve in Watts 800M4 series pressure vacuum breakers. It includes a bonnet O-ring and is compatible with valve sizes 1/2 in to 3/4 in. It helps maintain backflow prevention in commercial and industrial water systems.

What are the specifications of the Watts 800M4-1/2-3/4 1st Check Kit?

The kit is a repair kit for Watts 800M4 series pressure vacuum breakers. It includes a bonnet O-ring, is compatible with valve sizes 1/2 in to 3/4 in, and fits the 1/2 - 3/4 800M4 model. The manufacturer part number is 800M4-1/2-3/4 1st Check Kit.

Where to buy the Watts 800M4-1/2-3/4 1st Check Kit worldwide?

3G Electric supplies the Watts 800M4-1/2-3/4 1st Check Kit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this repair kit to your facility. Contact us for availability and lead time.

How to install the Watts 800M4-1/2-3/4 1st Check Kit?

Installation requires depressurizing the system and removing the first check valve assembly. Replace the old components with the new bonnet O-ring and check assembly from the kit. Reassemble and test for proper sealing. Always follow Watts' instructions for safe backflow prevention maintenance.

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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