Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

WATTS Thermostatic Mixing Valve: 3/8 in Inlet Connection Size, 3/8 in Outlet Connection Size - Point-of-Use Mixing Valves
WATTSPoint-of-Use Mixing Valves

WATTS Thermostatic Mixing Valve: 3/8 in Inlet Connection Size, 3/8 in Outlet Connection Size

The WATTS Thermostatic Mixing Valve (MPN 3/8 LFUSG-B M3) is a point-of-use mixing valve with 3/8 in inlet and outlet connection sizes, constructed of brass. It features 3/8 in male compression fittings. 3G Electric…

SKU 3G-OTH-596508

Brand
WATTS
Item
Thermostatic Mixing Valve: 3/8 in Inlet Connection Size, 3/8 in Outlet Connection Size
Category
Point-of-Use Mixing Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

WATTS
Manufacturer Part Number
3/8 LFUSG-B M3
Type
Brass
Outlet Connection Size
3/8 in
View Full Spec Sheet

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 Thermostatic Mixing Valve (MPN 3/8 LFUSG-B M3) is a point-of-use mixing valve with 3/8 in inlet and outlet connection sizes, constructed of brass. It features 3/8 in male compression fittings. 3G Electric interprets your demand for this OEM-specified valve, sources it, and supports your application with specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is a WATTS thermostatic mixing valve used for?

A WATTS thermostatic mixing valve blends hot and cold water to deliver a safe, consistent outlet temperature, preventing scalding. It is commonly used in point-of-use applications such as sinks, showers, and lavatories in commercial and residential buildings.

What are the specifications of the WATTS 3/8 LFUSG-B M3 mixing valve?

The WATTS 3/8 LFUSG-B M3 is a brass point-of-use thermostatic mixing valve with 3/8 in inlet and outlet connection sizes. It features 3/8 in male compression fittings and is manufactured by WATTS. The part number is 3/8 LFUSG-B M3.

Where to buy a WATTS thermostatic mixing valve worldwide?

3G Electric supplies the WATTS thermostatic mixing valve worldwide. We interpret your demand, source the OEM-specified valve, and handle logistics, customs, and delivery to your location globally. Contact us for availability and lead time.

How to install a WATTS thermostatic mixing valve?

Install the WATTS thermostatic mixing valve in accordance with local plumbing codes. Ensure supply lines are flushed before connection. Use the 3/8 in male compression fittings for inlet and outlet. Adjust the temperature setpoint per manufacturer instructions and test for safe operation.

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 point-of-use mixing valves. 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

More from WATTS

View all WATTS parts
WATTS Thermostatic Mixing Valve: 3/8 in Inlet Connection Size, 3/8 in Outlet Connection Size, Brass (MPN 3/8 LFUSG-B-SC M3). Key specifications — attr1037830: Tamper Resistant Locking Cap; attr1037827: WATTS.
WATTS
WATTS Thermostatic Mixing Valve: 3/8 in Inlet Connection Size, 3/8 in Outlet Connection Size, Brass (MPN 3/8 LFUSG-B-SC M3). Key specifications — attr1037830: Tamper Resistant Locking Cap; attr1037827: WATTS.
WATTS Thermostatic Mixing Valve: 1 in Inlet Connection Size, 1 in Outlet Connection Size, Brass (MPN 1 LF MMV-PEX). Key specifications — attr1037830: Solid Wax Hydraulic Principle Thermostat; attr1037827: WATTS.
WATTS
WATTS Thermostatic Mixing Valve: 1 in Inlet Connection Size, 1 in Outlet Connection Size, Brass (MPN 1 LF MMV-PEX). Key specifications — attr1037830: Solid Wax Hydraulic Principle Thermostat; attr1037827: WATTS.
WATTS Thermostatic Mixing Valve: 3/4 in Inlet Connection Size, 3/4 in Outlet Connection Size, Brass (MPN 3/4 LF MMV-US). Key specifications — attr1037830: Solid Wax Hydraulic Principle Thermostat; attr1037827: WATTS.
WATTS
WATTS Thermostatic Mixing Valve: 3/4 in Inlet Connection Size, 3/4 in Outlet Connection Size, Brass (MPN 3/4 LF MMV-US). Key specifications — attr1037830: Solid Wax Hydraulic Principle Thermostat; attr1037827: WATTS.
WATTS Thermostatic Mixing Valve: 1 in Inlet Connection Size, 1 in Outlet Connection Size (MPN LFMMV-M1-QC). Key specifications — attr1037830: Integral Filter Washers; attr1037827: WATTS.
WATTS
WATTS Thermostatic Mixing Valve: 1 in Inlet Connection Size, 1 in Outlet Connection Size (MPN LFMMV-M1-QC). Key specifications — attr1037830: Integral Filter Washers; attr1037827: WATTS.
WATTS Thermostatic Mixing Valve: 1/2 in Inlet Connection Size, 1/2 in Outlet Connection Size, Brass (MPN 1/2 LF MMV-US). Key specifications — attr1037830: Integral Filter Washers; attr1037827: WATTS.
WATTS
WATTS Thermostatic Mixing Valve: 1/2 in Inlet Connection Size, 1/2 in Outlet Connection Size, Brass (MPN 1/2 LF MMV-US). Key specifications — attr1037830: Integral Filter Washers; attr1037827: WATTS.
WATTS Thermostatic Mixing Valve: 1/2 in Inlet Connection Size, 1/2 in Outlet Connection Size, Brass (MPN 1/2 LFMMVM1-PEX). Key specifications — attr1037830: Integral Filter Washers; attr1037827: WATTS.
WATTS
WATTS Thermostatic Mixing Valve: 1/2 in Inlet Connection Size, 1/2 in Outlet Connection Size, Brass (MPN 1/2 LFMMVM1-PEX). Key specifications — attr1037830: Integral Filter Washers; attr1037827: WATTS.
WATTS Thermostatic Mixing Valve: 3/4 in Inlet Connection Size, 3/4 in Outlet Connection Size, Brass (MPN 3/4 LF MMV-PEX). Key specifications — attr1037830: Solid Wax Hydraulic Principle Thermostat; attr1037827: WATTS.
WATTS
WATTS Thermostatic Mixing Valve: 3/4 in Inlet Connection Size, 3/4 in Outlet Connection Size, Brass (MPN 3/4 LF MMV-PEX). Key specifications — attr1037830: Solid Wax Hydraulic Principle Thermostat; attr1037827: WATTS.
WATTS Thermostatic Mixing Valve: 3/4 in Inlet Connection Size, 3/4 in Outlet Connection Size, NPT (MPN LFMMV-M1-UT). Key specifications — attr1037830: Check Valves; attr1037827: WATTS.
WATTS
WATTS Thermostatic Mixing Valve: 3/4 in Inlet Connection Size, 3/4 in Outlet Connection Size, NPT (MPN LFMMV-M1-UT). Key specifications — attr1037830: Check Valves; attr1037827: WATTS.