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WATTS Thermostatic Mixing Valve: 1 in Inlet Connection Size, 1 in Outlet Connection Size - Point-of-Use Mixing Valves
WATTSPoint-of-Use Mixing Valves

WATTS Thermostatic Mixing Valve: 1 in Inlet Connection Size, 1 in Outlet Connection Size

The WATTS Thermostatic Mixing Valve (MPN 1 LF MMV-PEX) is a point-of-use mixing valve with 1 in inlet and outlet connection sizes, constructed from brass. It features a Solid Wax Hydraulic Principle Thermostat for…

SKU 3G-OTH-596571

Brand
WATTS
Item
Thermostatic Mixing Valve: 1 in Inlet Connection Size, 1 in Outlet Connection Size
Category
Point-of-Use Mixing Valves
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Technical Specifications

WATTS
Manufacturer Part Number
1 LF MMV-PEX
Type
Brass
Outlet Connection Size
1 in
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WATTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Thermostatic Mixing Valve (MPN 1 LF MMV-PEX) is a point-of-use mixing valve with 1 in inlet and outlet connection sizes, constructed from brass. It features a Solid Wax Hydraulic Principle Thermostat for temperature regulation.

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. It is used in point-of-use applications such as showers, sinks, and tubs to prevent scalding and provide thermal comfort in commercial and residential plumbing systems.

What are the specifications of the WATTS 1 LF MMV-PEX mixing valve?

The WATTS 1 LF MMV-PEX is a brass point-of-use mixing valve with 1 in inlet and 1 in outlet connection sizes. It uses a Solid Wax Hydraulic Principle Thermostat for precise temperature control. The manufacturer part number is 1 LF MMV-PEX.

Where to buy a WATTS Thermostatic Mixing Valve worldwide?

3G Electric supplies and delivers the WATTS Thermostatic Mixing Valve worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever it is located.

How to install a WATTS Thermostatic Mixing Valve?

Install the WATTS valve in the hot water supply line to the fixture, ensuring flow direction matches the arrow on the body. Use approved thread sealant on connections and adjust the temperature setpoint per manufacturer guidelines. Always test outlet temperature after installation to verify 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.

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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.
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WATTS Thermostatic Mixing Valve: 3/8 in Inlet Connection Size, 3/8 in Outlet Connection Size, Brass (MPN 3/8 LFUSG-B M3). Key specifications — attr1037830: 3/8 in Male Compression Fittings; attr1037827: WATTS.
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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.
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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.
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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.
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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.
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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.
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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.
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