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MX128LF Thermostatic Mixing Valve delivers precise temperature control for residential and commercial systems. This thermostatic, proportional, large-flow valve is designed for reliable mixing or diverting in space heating, radiant floor heating, central distribution, and public facilities. With a non-stick coated bronze/stainless steel body, the valve supports up to 50 GPM at 30 PSI and handles operating temperatures up to 221°F, all within a robust 150 PSI pressure rating. It is lead-free and meets ASSE 1017 and CSA standards for safe, long-lasting performance. Designed for easy field setup, the thermostatic element provides automatic operation and temperature adjustability, aided by an included Allen wrench. This valve offers dual functionality as both a mixing and diverting valve, and uses union or tailpiece connections for simple installation.
- Nominal Size: 1-1/4 inch
- End connections: Threaded x Threaded x Threaded
- Flow capacity: 50 GPM at 30 PSI; Cv 9.3
- Temperature: Operating 113–149°F; temperature rating up to 221°F
- Pressure rating: 150 PSI
- Materials: Non-stick coated bronze/stainless steel; lead-free
- Inclusions: Allen wrench for temperature adjustment; union/tailpiece connections
- Applications: Home, apartment, hotel, school, hospital, nursing home, office, public facilities; space heating; radiant floor; heat pumps; central distribution; combo systems
- Function: Proportional, thermostatic automatic operation; dual purpose mixing or diverting valve
Specifications
| Type | Thermostatic, Proportional, Large Flow |
|---|---|
| Pressure Rating | 150 PSI |
| Temperature Rating | 221 Deg F |
| Flow Rate | 50 GPM at 30 PSI |
| Application | Home, Apartment, Hotel, School, Hospital, Nursing Home, Office, Public Facilities, Commercial and Industrial Building, Space Heating, Central Distribution System, Heat Pump System, Radiant Floor Heating, Combo System |
| Body Material | Non-Stick Coated Bronze/Stainless Steel |
| End Connection | Threaded x Threaded x Threaded |
| Standards | ASSE 1017, CSA (Canada and US) |
| Includes | Allen Wrench For Temperature Adjustment, Thermostatic Element Provide Automatic Operation, Proportional Valve, Temperature Adjustable, Dual Purpose Mixing or Diverting Valve, Union/Tailpiece Connection |
| End-to-End Distance | 7.7 Inch |
| Base To Inlet Dimension | 3.3 Inch |
| Inlet To Mixing Outlet Dimension | 3.3 Inch |