YTHM5421R1010/U Inactivate With a standard footprint and

With a standard footprint and simple interface

The 75F Differential Pressure Sensor is a high-precision pressure sensor that enables energy-saving functions like advanced demand-control ventilation sequences and VAV flow measurement based on ASHRAE Guideline 36

Copper and Stainless steel well assemblies for use with Aquastat sensors

The 3-speed circulator pump is non-submersible and usable in dry

General Purpose Relays: This general purpose switching relay from Resideo has a 24 VAC coil and works with low voltage applications

YTHM5421R1010/U Inactivate With a standard footprint andEquipment Interface Module Kit with 2 Duct Sensors. Controls up to 4 stages of heat and 2 stages of cool in a heat pump system and up to 3 stages of heat and 2 stages of cool in a conventional system.