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Watts 1-1/4 800M4-QT Pressure Vacuum Breaker - Pressure Vacuum Breakers
WattsPressure Vacuum Breakers

Watts 1-1/4 800M4-QT Pressure Vacuum Breaker

The WATTS 1 1/4 800M4-QT is a pressure vacuum breaker with FNPT x FNPT connections, designed for water media. It operates within a temperature range of 33°F to 140°F and is rated for high health hazard applications.

SKU 3G-OTH-430698

Also listed as: 114800M4QT · 1 1 4 800M4 QT · 1-1-4-800M4-QT

Brand
Watts
Item
1-1/4 800M4-QT Pressure Vacuum Breaker
Part Number
1-1/4 800M4-QT
Category
Pressure Vacuum Breakers
Available to Order
Also known as:1-1/4 800M4-QTWatts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
1-1/4 800M4-QT
Type
FNPT x FNPT, For Water Media, 33°F – 140°F, High Health Hazard
Connection Type
FNPT x FNPT

Technical Documents

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS 1 1/4 800M4-QT is a pressure vacuum breaker with FNPT x FNPT connections, designed for water media. It operates within a temperature range of 33°F to 140°F and is rated for high health hazard applications.

Frequently Asked Questions

What is the WATTS 1 1/4 800M4-QT pressure vacuum breaker used for?

The WATTS 1 1/4 800M4-QT is a pressure vacuum breaker designed to prevent backflow of contaminated water into potable water systems. It is used in high health hazard applications, such as irrigation, industrial process lines, and commercial plumbing, where water media must be protected from cross-connections.

What are the specifications of the WATTS 1 1/4 800M4-QT?

The WATTS 1 1/4 800M4-QT has FNPT x FNPT connections and is rated for water media. It operates in temperatures from 33°F to 140°F and is designed for high health hazard applications. The manufacturer part number is 1-1/4 800M4-QT, and it is a pressure vacuum breaker type.

Where to buy the WATTS 1 1/4 800M4-QT worldwide?

You can source the WATTS 1 1/4 800M4-QT 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 reliable sourcing for this WATTS pressure vacuum breaker.

How to install the WATTS 1 1/4 800M4-QT pressure vacuum breaker?

Install the WATTS 1 1/4 800M4-QT in an accessible vertical position above the highest downstream outlet. Ensure FNPT connections are properly sealed with thread tape. Follow local plumbing codes and the manufacturer's instructions for high health hazard backflow preventers. Test annually to verify proper operation.

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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