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

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

The WATTS 2 LF800M4-FR is a lead-free pressure vacuum breaker designed for water media in high health hazard applications. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 140°F.

SKU 3G-OTH-446160

Brand
Watts
Item
Vacuum Breaker: 2 LF800M4-FR, 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-FR
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 2 LF800M4-FR is a lead-free pressure vacuum breaker designed for water media in high health hazard applications. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 140°F.

Frequently Asked Questions

What is a WATTS 2 LF800M4-FR vacuum breaker used for?

The WATTS 2 LF800M4-FR is a lead-free pressure vacuum breaker used to prevent backflow of contaminated water in high health hazard applications. It protects potable water systems by automatically venting to atmosphere when pressure drops, ensuring safe operation in commercial and industrial plumbing.

What are the specifications of the WATTS 2 LF800M4-FR?

The WATTS 2 LF800M4-FR has FNPT x FNPT connections, is rated for water media, and operates from 33°F to 140°F. It is designed for high health hazard applications and is lead-free. The manufacturer part number is 2 LF800M4-FR.

Where to buy a WATTS 2 LF800M4-FR worldwide?

3G Electric supplies the WATTS 2 LF800M4-FR vacuum breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this lead-free pressure vacuum breaker for high health hazard applications.

How to install a WATTS pressure vacuum breaker?

Install the WATTS vacuum breaker in a vertical position with the vent outlet facing down. Ensure the inlet and outlet are properly supported and the device is accessible for testing. Follow local plumbing codes and the manufacturer's instructions for correct orientation and clearance above flood level.

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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