Watts LFMMV-UT-M1 1″ Lead-Free Master Thermostatic Mixing Valve
The Watts LFMMV-UT-M1 is a 1-inch lead-free master thermostatic mixing valve engineered to deliver accurately tempered water in residential and light commercial hydronic and plumbing systems. Designed to blend hot and cold water supplies to a consistent, safe outlet temperature, this mixing valve helps protect building occupants from scalding while also preventing the conditions that allow Legionella bacteria to thrive in water systems.
Key Features
- Lead-free (LF) construction meets NSF/ANSI 61 and NSF/ANSI 372 requirements for potable water applications
- 1-inch connection size for straightforward integration into standard piping systems
- Thermostatic mixing element automatically adjusts to maintain a consistent, preset outlet temperature
- Protects against scalding by limiting hot water delivery temperature at the point of use
- Inhibits Legionella growth by allowing storage of hot water at high temperatures while tempering at the point of distribution
- Durable valve body suited for long-term, reliable service in demanding hydronic and domestic hot water applications
- Compact design facilitates installation in tight spaces
Typical Applications
- Domestic hot water tempering and distribution systems
- Hydronic heating systems requiring mixed water supply
- Radiant floor heating circuits
- Commercial and residential plumbing where scald protection is required
- Facilities requiring compliance with ASSE 1017 or similar mixing valve standards
Product Specifications
- Brand: Watts
- Model: LFMMV-UT-M1
- SKU: 0559122
- Connection Size: 1 inch
- Construction: Lead-Free
- Valve Type: Thermostatic Mixing Valve
Trust Watts’ proven engineering and Jackson Systems’ expert support to keep your hydronic or plumbing system operating safely and efficiently.
