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Watts Pressure Vacuum Breaker: 2" LF800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F - Lead-Free Pressure Vacuum Breakers
WattsLead-Free Pressure Vacuum Breakers

Watts Pressure Vacuum Breaker: 2" LF800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F

The WATTS Pressure Vacuum Breaker, model 2" LF800M4-QT, is a lead-free pressure vacuum breaker designed for water media. It features FNPT x FNPT connections and is constructed from bronze, with an operating…

SKU 3G-OTH-446161

Brand
Watts
Item
Pressure Vacuum Breaker: 2" LF800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F
Category
Lead-Free Pressure Vacuum Breakers
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Technical Specifications

Watts
Manufacturer Part Number
2" LF800M4-QT
Type
FNPT x FNPT, For Water Media, 33°F – 140°F, Bronze
Connection Type
FNPT x FNPT
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Vacuum Breaker, model 2" LF800M4-QT, is a lead-free pressure vacuum breaker designed for water media. It features FNPT x FNPT connections and is constructed from bronze, with an operating temperature range of 33°F to 140°F.

Frequently Asked Questions

What is the WATTS 2" LF800M4-QT pressure vacuum breaker used for?

The WATTS 2" LF800M4-QT is a lead-free pressure vacuum breaker used in water systems to prevent backflow contamination. It is commonly installed on irrigation, commercial, and industrial water lines where a high-hazard backflow condition exists, protecting potable water supplies from pollutants.

What are the specifications of the WATTS LF800M4-QT pressure vacuum breaker?

The WATTS LF800M4-QT is a 2" lead-free pressure vacuum breaker with FNPT x FNPT connections. It is made of bronze and rated for water media at temperatures from 33°F to 140°F. The manufacturer part number is 2" LF800M4-QT, and it is designed for backflow prevention in commercial and industrial applications.

Where to buy the WATTS LF800M4-QT pressure vacuum breaker worldwide?

You can source the WATTS LF800M4-QT pressure vacuum breaker through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine WATTS products for your backflow prevention needs.

How to install a WATTS pressure vacuum breaker?

Install the WATTS pressure vacuum breaker in an accessible, above-ground location with the inlet connected to the water supply. Ensure the unit is installed vertically with the vent facing downward. Follow local plumbing codes and the manufacturer's instructions for proper support and testing after installation.

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 lead-free 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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