We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
Watts 1/2 LF800M4-QT Lead-Free Pressure Vacuum Breaker - Lead-Free Pressure Vacuum Breakers
WattsLead-Free Pressure Vacuum Breakers

Watts 1/2 LF800M4-QT Lead-Free Pressure Vacuum Breaker

The WATTS 1/2 LF800M4-QT 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-446147

Also listed as: 12LF800M4QT · 1 2 LF800M4 QT · 1-2-LF800M4-QT

Brand
Watts
Item
1/2 LF800M4-QT Lead-Free Pressure Vacuum Breaker
Category
Lead-Free Pressure Vacuum Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
1/2 LF800M4-QT
Type
FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard
Connection Type
FNPT x FNPT

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WATTS 1/2 LF800M4-QT 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 a WATTS 1/2 LF800M4-QT vacuum breaker used for?

The WATTS 1/2 LF800M4-QT is a lead-free pressure vacuum breaker used to prevent backflow of contaminated water in high health hazard applications. It protects potable water systems in industrial, commercial, and irrigation settings where cross-connection risks exist.

What are the specifications of the WATTS LF800M4-QT?

The WATTS LF800M4-QT has FNPT x FNPT connections, a 1/2-inch size, and operates with water media from 33°F to 140°F. It is rated for high health hazard applications and is lead-free, meeting safe drinking water requirements.

Where to buy a WATTS 1/2 LF800M4-QT worldwide?

3G Electric supplies the WATTS 1/2 LF800M4-QT vacuum breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this lead-free pressure vacuum breaker.

How to install a WATTS pressure vacuum breaker?

Install the WATTS pressure vacuum breaker in a vertical position with the inlet and outlet connected via FNPT fittings. Ensure the unit is at least 12 inches above the highest downstream outlet. Follow local plumbing codes and test for proper backflow prevention 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Vacuum Breaker: 3/4 LF800M4-FR, FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard
Watts
WATTS Vacuum Breaker: 3/4 LF800M4-FR, FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard
Lead-free pressure vacuum breaker for water media in high health hazard backflow prevention applications. Features FIP x FIP connections and is rated for operating temperatures from 33°F to 140°F. Suitable for use in commercial or industrial plumbing systems to protect potable water supplies
Watts
Lead-free pressure vacuum breaker for water media in high health hazard backflow prevention applications. Features FIP x FIP connections and is rated for operating temperatures from 33°F to 140°F. Suitable for use in commercial or industrial plumbing systems to protect potable water supplies
This lead-free pressure vacuum breaker is designed for water media in high health hazard applications. It features female iron pipe (FIP) connections on both ends and operates within a temperature range of 33°F to 140°F. Used to prevent backflow in commercial and industrial plumbing systems, protecting potable water supplies from contamination
Watts
This lead-free pressure vacuum breaker is designed for water media in high health hazard applications. It features female iron pipe (FIP) connections on both ends and operates within a temperature range of 33°F to 140°F. Used to prevent backflow in commercial and industrial plumbing systems, protecting potable water supplies from contamination
WATTS Vacuum Breaker: 1/2 800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard
Watts
WATTS Vacuum Breaker: 1/2 800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard
WATTS Vacuum Breaker: 1 1/2 800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard (MPN 1-1/2 800M4-QT)
Watts
WATTS Vacuum Breaker: 1 1/2 800M4-QT, FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard (MPN 1-1/2 800M4-QT)
Pressure vacuum breaker with FNPT x FNPT connections for water media. Rated for high health hazard applications, operating from 33°F to 140°F. Used in backflow prevention assemblies to protect potable water supplies
Watts
Pressure vacuum breaker with FNPT x FNPT connections for water media. Rated for high health hazard applications, operating from 33°F to 140°F. Used in backflow prevention assemblies to protect potable water supplies

More from Watts

View all Watts parts →
Lead-free pressure vacuum breaker with FIP x FIP connections for water media. Rated for high health hazard applications and temperature range 33°F to 140°F. Used in plumbing systems to prevent backflow and protect potable water supplies
Watts
Lead-free pressure vacuum breaker with FIP x FIP connections for water media. Rated for high health hazard applications and temperature range 33°F to 140°F. Used in plumbing systems to prevent backflow and protect potable water supplies
Pressure vacuum breaker for water media in high health hazard applications. Automatically vents to atmosphere to prevent backflow contamination in potable water systems. Features FNPT x FNPT connections and operates from 33°F to 140°F. Lead-free construction
Watts
Pressure vacuum breaker for water media in high health hazard applications. Automatically vents to atmosphere to prevent backflow contamination in potable water systems. Features FNPT x FNPT connections and operates from 33°F to 140°F. Lead-free construction
This lead-free pressure vacuum breaker is designed for back-siphonage prevention in water systems. It features FNPT x FNPT connections and is rated for operating temperatures from 33°F to 140°F. Suitable for use in irrigation, commercial, and industrial water lines to protect potable water supplies
Watts
This lead-free pressure vacuum breaker is designed for back-siphonage prevention in water systems. It features FNPT x FNPT connections and is rated for operating temperatures from 33°F to 140°F. Suitable for use in irrigation, commercial, and industrial water lines to protect potable water supplies
Lead-free pressure vacuum breaker for water media in high health hazard applications. Features FIP x FIP connections and operates within 33°F to 140°F. Used to prevent backflow in plumbing systems where contamination protection is required
Watts
Lead-free pressure vacuum breaker for water media in high health hazard applications. Features FIP x FIP connections and operates within 33°F to 140°F. Used to prevent backflow in plumbing systems where contamination protection is required
This lead-free pressure vacuum breaker is designed for water media to prevent backflow contamination in potable water systems. It features FNPT x FNPT connections and is constructed from bronze. Typical applications include irrigation and commercial water lines where anti-siphon protection is required
Watts
This lead-free pressure vacuum breaker is designed for water media to prevent backflow contamination in potable water systems. It features FNPT x FNPT connections and is constructed from bronze. Typical applications include irrigation and commercial water lines where anti-siphon protection is required
This lead-free pressure vacuum breaker is designed for water media to prevent back-siphonage in plumbing systems. It features FNPT x FNPT connections and a bronze body with NPT threading. Suitable for commercial and residential applications where backflow protection is required
Watts
This lead-free pressure vacuum breaker is designed for water media to prevent back-siphonage in plumbing systems. It features FNPT x FNPT connections and a bronze body with NPT threading. Suitable for commercial and residential applications where backflow protection is required
This lead-free pressure vacuum breaker is designed for water media and features FNPT x FNPT connections. Constructed from bronze, it operates within a temperature range of 33°F to 140°F. Suitable for backflow prevention in water systems
Watts
This lead-free pressure vacuum breaker is designed for water media and features FNPT x FNPT connections. Constructed from bronze, it operates within a temperature range of 33°F to 140°F. Suitable for backflow prevention in water systems
Lead-free pressure vacuum breaker for water media in high health hazard applications. FNPT x FNPT connections. Temperature range 33°F – 140°F. Used in commercial and industrial plumbing systems to prevent backflow and protect potable water supplies
Watts
Lead-free pressure vacuum breaker for water media in high health hazard applications. FNPT x FNPT connections. Temperature range 33°F – 140°F. Used in commercial and industrial plumbing systems to prevent backflow and protect potable water supplies