The Leonard Valve TM-1520B-LF-DT is a Next Generation thermostatic mixing valve assembly engineered for reliable, precise hot water temperature control in commercial and institutional plumbing and HVAC systems. Featuring a 1-1/4″ inlet and 1-1/2″ outlet configuration, this complete assembly delivers consistent blended water temperatures to protect occupants from scalding while ensuring safe, comfortable delivery at point of use.
Constructed with lead-free (LF) materials, this valve assembly meets stringent safe drinking water standards, making it suitable for potable water applications in healthcare facilities, schools, hotels, and multi-family residential buildings. The Next Generation design reflects Leonard Valve’s commitment to improved performance, durability, and ease of installation and maintenance.
Key Features
- Next Generation thermostatic mixing valve assembly for enhanced performance
- Lead-free (LF) construction — compliant with safe drinking water regulations
- 1-1/4″ inlet x 1-1/2″ outlet connection sizes for versatile installation
- Complete assembly for streamlined installation and reduced labor time
- Precise thermostatic control maintains consistent blended water temperature
- Designed for commercial, institutional, and high-demand residential applications
- Durable construction for long service life in demanding environments
Applications
- Hospitals and healthcare facilities
- Schools and universities
- Hotels and hospitality facilities
- Multi-family and high-rise residential buildings
- Commercial and industrial plumbing systems
Specifications
- Brand: Leonard Valve
- Model / SKU: TM-1520B-LF-DT
- Inlet Size: 1-1/4″
- Outlet Size: 1-1/2″
- Construction: Lead-Free (LF)
- Type: Next Generation Thermostatic Mixing Valve Assembly








