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Watts 1 LF800M4-QT-FZ Lead-Free Pressure Vacuum Breaker, FNPT x FNPT, Bronze - Lead-Free Pressure Vacuum Breakers
WattsLead-Free Pressure Vacuum Breakers

Watts 1 LF800M4-QT-FZ Lead-Free Pressure Vacuum Breaker, FNPT x FNPT, Bronze

The WATTS Anti-Siphon Pressure Vacuum Breaker, model 1 LF800M4-QT-FZ, is a lead-free pressure vacuum breaker designed for water media. It features FNPT x FNPT connections and is constructed from bronze. This device…

SKU 3G-OTH-446155

Also listed as: 1LF800M4QTFZ · 1 LF800M4 QT FZ · 1-LF800M4-QT-FZ

Brand
Watts
Item
1 LF800M4-QT-FZ Lead-Free Pressure Vacuum Breaker, FNPT x FNPT, Bronze
Category
Lead-Free Pressure Vacuum Breakers
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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-QT-FZ
Type
FNPT x FNPT, For Water Media, Bronze
Connection Type
FNPT x FNPT

Technical Documents

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

Product Description

The WATTS Anti-Siphon Pressure Vacuum Breaker, model 1 LF800M4-QT-FZ, is a lead-free pressure vacuum breaker designed for water media. It features FNPT x FNPT connections and is constructed from bronze. This device is manufactured by WATTS.

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-QT-FZ pressure vacuum breaker used for?

The WATTS 1 LF800M4-QT-FZ is a lead-free anti-siphon pressure vacuum breaker used in water systems to prevent backflow contamination. It is typically installed on irrigation or commercial water lines to protect potable water supplies from pollutants.

What are the specifications of the WATTS 1 LF800M4-QT-FZ?

The WATTS 1 LF800M4-QT-FZ is a lead-free pressure vacuum breaker with FNPT x FNPT connections. It is constructed from bronze and designed for water media. The manufacturer part number is 1 LF800M4-QT-FZ, and it is made by WATTS.

Where to buy the WATTS 1 LF800M4-QT-FZ worldwide?

You can source the WATTS 1 LF800M4-QT-FZ through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install a WATTS pressure vacuum breaker?

Install the WATTS pressure vacuum breaker vertically at least 12 inches above the highest downstream outlet. Ensure the FNPT connections are sealed with thread tape and tightened securely. Test for leaks after installation. Always follow local plumbing codes and the manufacturer's instructions.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This pressure vacuum breaker is designed for water media to prevent backflow in potable water systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 140°F. Typical applications include irrigation and commercial plumbing systems where backflow prevention is required
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This pressure vacuum breaker is designed for water media to prevent backflow in potable water systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 140°F. Typical applications include irrigation and commercial plumbing systems where backflow prevention is required
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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 constructed of bronze with NPT threads and features FNPT x FNPT connections. It is designed for water media to prevent backflow in plumbing systems. Commonly used in irrigation and residential or commercial water supply lines
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This lead-free pressure vacuum breaker is constructed of bronze with NPT threads and features FNPT x FNPT connections. It is designed for water media to prevent backflow in plumbing systems. Commonly used in irrigation and residential or commercial water supply lines
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
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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
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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

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This lead-free pressure vacuum breaker is designed to prevent backflow of contaminated water into potable water lines. It features FNPT x FNPT connections and is suitable for water media within a temperature range of 33°F to 140°F. Commonly used in irrigation, industrial process water, and plumbing systems requiring anti-siphon protection
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This lead-free pressure vacuum breaker is designed to prevent backflow of contaminated water into potable water lines. It features FNPT x FNPT connections and is suitable for water media within a temperature range of 33°F to 140°F. Commonly used in irrigation, industrial process water, and plumbing systems requiring anti-siphon protection
This lead-free pressure vacuum breaker is designed for water media and prevents back-siphonage in plumbing systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 180°F. Typical applications include irrigation and water supply lines where backflow protection is required
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This lead-free pressure vacuum breaker is designed for water media and prevents back-siphonage in plumbing systems. It features FNPT x FNPT connections and operates within a temperature range of 33°F to 180°F. Typical applications include irrigation and water supply lines where backflow protection is required
This lead-free pressure vacuum breaker is 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. Used to prevent backflow of contaminated water in plumbing systems
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This lead-free pressure vacuum breaker is 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. Commonly used in plumbing systems to prevent backflow in cross-connection scenarios
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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
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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
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