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Watts 1-1/2 800M4-QT Pressure Vacuum Breaker, FNPT x FNPT, High Health Hazard - Pressure Vacuum Breakers
WattsPressure Vacuum Breakers

Watts 1-1/2 800M4-QT Pressure Vacuum Breaker, FNPT x FNPT, High Health Hazard

The WATTS 1 1/2 800M4-QT is a pressure vacuum breaker designed for water media, featuring FNPT x FNPT connections. It operates within a temperature range of 33°F to 140°F and is rated for high health hazard…

SKU 3G-OTH-430699

Also listed as: 112800M4QT · 1 1 2 800M4 QT · 1-1-2-800M4-QT

Brand
Watts
Item
1-1/2 800M4-QT Pressure Vacuum Breaker, FNPT x FNPT, High Health Hazard
Part Number
1-1/2 800M4-QT
Category
Pressure Vacuum Breakers
Available to Order
Also known as:1-1/2 800M4-QTWatts
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
1-1/2 800M4-QT
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 1 1/2 800M4-QT is a pressure vacuum breaker designed for water media, featuring FNPT x FNPT connections. It operates within a temperature range of 33°F to 140°F and is rated for high health hazard applications. This model is identified by manufacturer part number 1-1/2 800M4-QT.

Frequently Asked Questions

What is a Watts 1 1/2 800M4-QT pressure vacuum breaker used for?

The Watts 1 1/2 800M4-QT is a pressure vacuum breaker used to prevent backflow of contaminated water into potable water systems. It is designed for high health hazard applications, such as industrial process lines and irrigation systems, where water media must be protected from cross-connections.

What are the specifications of the Watts 1 1/2 800M4-QT?

The Watts 1 1/2 800M4-QT has FNPT x FNPT connections, operates with water media from 33°F to 140°F, and is rated for high health hazard applications. The manufacturer part number is 1-1/2 800M4-QT. It is a pressure vacuum breaker designed for reliable backflow prevention.

Where to buy a Watts 1 1/2 800M4-QT worldwide?

3G Electric supplies the Watts 1 1/2 800M4-QT pressure vacuum breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this high health hazard backflow preventer.

How to install a Watts 1 1/2 800M4-QT pressure vacuum breaker?

Install the Watts 1 1/2 800M4-QT in an accessible location above the highest downstream outlet to ensure proper drainage. Use thread sealant on FNPT connections and test for leaks after installation. Follow local plumbing codes and the manufacturer's instructions for high health hazard backflow preventers.

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 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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