Description
The Watts 0559104 is a lead-free, 3/4-inch thermostatic mixing valve from the industry-trusted 1170-UTM2 series, engineered to deliver precise and consistent water temperature control in hydronic heating and plumbing systems. With an operating temperature range of 90°F to 160°F and unthreaded end connections, this valve offers flexible installation in a wide variety of commercial and residential applications.
Key Features
- Lead-free (LF) construction — compliant with NSF/ANSI 61 and 372 standards for safe potable water use
- 3/4-inch valve size for standard hydronic and plumbing system compatibility
- 1170-UTM2 series design with unthreaded (UnThrd) end connections for versatile field installation
- Temperature operating range: 90°F to 160°F for broad system flexibility
- Thermostatic mixing action automatically blends hot and cold water to maintain a stable outlet temperature
- Durable, corrosion-resistant materials suited for long-term hydronic service
Specifications
- Brand: Watts
- SKU / Part Number: 0559104
- Model: LF3/4″ 1170-UTM2
- Valve Size: 3/4 inch
- Temperature Range: 90°F – 160°F
- Connection Type: Unthreaded (UnThrd)
- Lead-Free Compliant: Yes (LF designation)
Applications
- Hydronic heating systems requiring precise supply water temperature control
- Domestic hot water mixing and tempering
- Boiler protection and low-temperature radiant floor heating systems
- Commercial and light industrial plumbing installations
Trust Watts engineering and the proven 1170 series platform to protect your system and deliver reliable temperature performance. The Watts 0559104 is a dependable solution for contractors and engineers who demand quality and compliance in every installation.
