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Watts LF909 Small Pressure Safety Relief Valve with Flood Detection Sensor - Watts RPZ Backflow Preventers
WattsWatts RPZ Backflow Preventers

Watts LF909 Small Pressure Safety Relief Valve with Flood Detection Sensor

The Watts LF909 Small is a pressure safety relief valve with a flood detection sensor, constructed from copper silicon alloy (MPN 0391012). It features an MNPT connection type. 3G Electric interprets customer demand…

SKU 3G-OTH-444377

Brand
Watts
Item
LF909 Small Pressure Safety Relief Valve with Flood Detection Sensor
Part Number
0391012
Category
Watts RPZ Backflow Preventers
Available to Order
Also known as:0391012Watts
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Technical Specifications

Watts
Manufacturer Part Number
0391012
Type
with Flood Detection Sensor, Copper Silicon Alloy
Connection Type
MNPT

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Watts LF909 Small is a pressure safety relief valve with a flood detection sensor, constructed from copper silicon alloy (MPN 0391012). It features an MNPT connection type. 3G Electric interprets customer demand and delivers this genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the Watts LF909 pressure safety relief valve used for?

The Watts LF909 pressure safety relief valve with flood detection sensor is used in backflow prevention systems to protect potable water supplies from contamination. It automatically relieves excess pressure and detects leaks, making it essential for commercial and industrial plumbing applications where water safety is critical.

What are the specifications of the Watts LF909 valve?

The Watts LF909 is a pressure safety relief valve with a flood detection sensor, made from copper silicon alloy. It features an MNPT connection type and manufacturer part number 0391012. This valve is designed for use in Watts RPZ backflow preventers, ensuring reliable pressure relief and leak detection.

Where to buy the Watts LF909 valve worldwide?

3G Electric supplies the Watts LF909 pressure safety relief valve worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine Watts part (MPN 0391012) for your backflow prevention system.

How to install the Watts LF909 flood detection sensor valve?

Install the Watts LF909 valve by connecting it to the MNPT port on your RPZ backflow preventer. Ensure the flood detection sensor is positioned to detect leaks. Follow standard plumbing practices for copper silicon alloy fittings, and test the valve after installation to verify proper pressure relief and sensor 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 watts rpz backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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