3/4" LFMMVM1 PEX Crimp Lead Free Mixing Valve
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3/4" LFMMVM1 PEX Crimp Lead Free Mixing Valve
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$133.01 each
Get it Mon, Mar 25 - Mon, Apr 22
Free Shipping This item ships free
Easy Returns No restocking fee for 90 days

Product Highlights

Connection Type icon
PEX Crimp x PEX Crimp Connection
Size icon
Lead Free icon
Standards Met icon
ASSE 1069, ASSE 1070, ASSE 1017 Standards Met


This 3/4" lead free thermostatic mixing valve is designed for commercial, residential, or institutional environments for supplying baths or lavatories with tempered water. The double throttling design controls both hot and cold water supply to the mixed outlet. It consists of a lead free brass body with crimp end connections for PEX tubing, integral filter washers, solid wax hydraulic principle thermostat, and check valves with a locking mechanism for the temperature setting. The adjustable field range temperature at mixed outlet is 80°F to 120°F (27°C to 49°C). The maximum pressure rating is 150 psi (10.3 bar).

Product Features
  • Locking mechanism secures temperature setting
  • ASSE 1070, ASSE 1069, ASSE 1017 listed
  • Lead free brass construction
  • Thermal actuation technology for precise temperature control
Product Specifications
  • Body Material: Lead Free Copper Silicon Alloy
  • Brand Name: Watts
  • Buy American Act Compliant: YES
  • Capacity: 20 GPM at 125 PSI
  • Cold Inlet Temperature Range: 39°F to 85°F
  • Cold Water Bypass: No
  • Cold Water Inlet Connection Size: 3/4"
  • Cold Water Inlet Connection Type: Crimped
  • Cold Water Inlet Thread Type: Does Not Apply To Product
  • Factory Set Temperature-Fahrenheit: 105°F
  • Flow Rate: 0.5 to 20 GPM
  • Hot Inlet Temperature Range: 120°F to 180°F
  • Hot Water Inlet Connection Size: 3/4"
  • Hot Water Inlet Connection Type: Crimped
  • Hot Water Inlet Thread Type: Does Not Apply To Product
  • Lead Free: YES
  • Maximum Pressure Differential: 25%
  • Maximum Working Pressure-PSI: 150
  • Minimum Differential Temperature-Fahrenheit: 5°F
  • Minimum Static Pressure-PSI: 30
  • Outlet Connection Size: 3/4"
  • Outlet Connection Type: Crimped
  • Outlet Temperature Accuracy: +/- 3°F
  • Outlet Thread Type: Does Not Apply To Product
  • Part Number: 0559117
  • Series: LFMMV
  • Temperature Adjustment Range: 80°F to 120°F




Lead Free:


Standards Met:

ASSE 1069

ASSE 1070

ASSE 1017


Point of Use

Point of Source

Connection Method:


Connection Type:

PEX Crimp x PEX Crimp

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