Use a multimeter to check for continuity across the terminals when the system is cool

This OEM replacement part is essential for maintaining the operational integrity of McQuay chillers and air handling units

Built to withstand the rigors of mechanical rooms

and the bi-metal connections allow for fast brazing without the need for extensive heat-sink measures

and VMG coils

ClimateMaster 17B0063N01 Thermostat 321702-401 Use a multimeter to checkThe ClimateMaster 17B0063N01 programmable thermostat is a critical control component designed specifically for integration with water to air heat pump systems. This multi stage HVAC controller supports 2 stage heating and 2 stage cooling applications, ensuring precise load management and compressor cycling. Engineered for compatibility with Tranquility series units and other ClimateMaster DXM2 or CXM boards, the 17B0063N01 utilizes a 24V AC low