521506A | 3wThermo Mixing Vlv 3/4"Press | Caleffi Collection_ Control Boards Its 5/8-11 thread size provides

Its 5/8-11 thread size provides compatibility with a wide range of bolts and fasteners

Our HVAC supply store is your trusted partner for industrial parts and equipment

Clean the mating surfaces on the burner and heat exchanger

this allows up to 30% energy savings

The 3/4"-10 thread size is commonly used in industrial lifting applications

521506A | 3wThermo Mixing Vlv 3/4"Press | Caleffi Collection_ Control Boards Its 5/8-11 thread size provides**Caleffi 521506A 3wThermo Mixing Valve** The Caleffi 521506A 3wThermo Mixing Valve is designed for use in hydronic heating and cooling systems. It features a 3 way thermostatic mixing valve that modulates the flow of hot and cold water to maintain a constant outlet temperature. This ensures optimal comfort and energy efficiency. The valve is constructed from durable brass for longevity and reliability. It has a maximum working pressure of 20 bar and