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WATTS 1 LF800M4-FR Lead-Free Pressure Vacuum Breaker, FNPT x FNPT - Lead-Free Pressure Vacuum Breakers
WattsLead-Free Pressure Vacuum Breakers

WATTS 1 LF800M4-FR Lead-Free Pressure Vacuum Breaker, FNPT x FNPT

The WATTS 1 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-446165

Also listed as: 1LF800M4FR · 1 LF800M4 FR · 1-LF800M4-FR

Brand
Watts
Item
1 LF800M4-FR Lead-Free Pressure Vacuum Breaker, FNPT x FNPT
Part Number
1 LF800M4-FR
Category
Lead-Free Pressure Vacuum Breakers
Available to Order
Also known as:1 LF800M4-FRWatts
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
1 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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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS 1 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.

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 LF800M4-FR vacuum breaker used for?

The WATTS 1 LF800M4-FR is a lead-free pressure vacuum breaker used to prevent backflow in high health hazard water systems. It protects potable water supplies from contamination by releasing pressure and admitting air when system pressure drops, commonly installed in commercial and industrial plumbing applications.

What are the specifications of the WATTS 1 LF800M4-FR?

The WATTS 1 LF800M4-FR is a lead-free pressure vacuum breaker with FNPT x FNPT connections. It is designed for water media and operates in a temperature range of 33°F to 140°F. The manufacturer part number is 1 LF800M4-FR, and it is rated for high health hazard applications.

Where to buy the WATTS 1 LF800M4-FR worldwide?

You can source the WATTS 1 LF800M4-FR 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 competitive sourcing for this WATTS vacuum breaker.

How to install a WATTS pressure vacuum breaker?

Install the WATTS pressure vacuum breaker vertically with the inlet and outlet connected via FNPT fittings. Ensure it is at least 12 inches above the highest downstream outlet. Follow local plumbing codes and the manufacturer's instructions. Test for proper operation after installation to confirm backflow prevention.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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