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Watts Vacuum Breaker: 1 1/4 800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F - Pressure Vacuum Breakers
WattsPressure Vacuum Breakers

Watts Vacuum Breaker: 1 1/4 800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F

The WATTS 1 1/4 800M4-QT is a pressure vacuum breaker with FNPT x FNPT connections, designed for water media. It operates within a temperature range of 33°F to 140°F and is rated for high health hazard applications.

SKU 3G-OTH-430698

Brand
Watts
Item
Vacuum Breaker: 1 1/4 800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F
Category
Pressure Vacuum Breakers
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Technical Specifications

Watts
Manufacturer Part Number
1-1/4 800M4-QT
Type
FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard
Connection Type
FNPT x FNPT
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS 1 1/4 800M4-QT is a pressure vacuum breaker with FNPT x FNPT connections, designed for water media. It operates within a temperature range of 33°F to 140°F and is rated for high health hazard applications.

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 1 1/4 800M4-QT pressure vacuum breaker used for?

The WATTS 1 1/4 800M4-QT is a pressure vacuum breaker designed to prevent backflow of contaminated water into potable water systems. It is used in high health hazard applications, such as irrigation, industrial process lines, and commercial plumbing, where water media must be protected from cross-connections.

What are the specifications of the WATTS 1 1/4 800M4-QT?

The WATTS 1 1/4 800M4-QT has FNPT x FNPT connections and is rated for water media. It operates in temperatures from 33°F to 140°F and is designed for high health hazard applications. The manufacturer part number is 1-1/4 800M4-QT, and it is a pressure vacuum breaker type.

Where to buy the WATTS 1 1/4 800M4-QT worldwide?

You can source the WATTS 1 1/4 800M4-QT through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this WATTS pressure vacuum breaker.

How to install the WATTS 1 1/4 800M4-QT pressure vacuum breaker?

Install the WATTS 1 1/4 800M4-QT in an accessible vertical position above the highest downstream outlet. Ensure FNPT connections are properly sealed with thread tape. Follow local plumbing codes and the manufacturer's instructions for high health hazard backflow preventers. Test annually to verify proper operation.

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 pressure vacuum breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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