ClimateMaster S17B0003N03 Control Board 322838-753 Standard 1-inch or 4-inch slots

Standard 1-inch or 4-inch slots will not accommodate the proprietary rail system

but check the 5

Whether you are performing a furnace blower motor replacement or maintaining a shop heater

Using this on a single-stage unit may result in open circuits or incompatible terminal block connections

ClimateMaster S17B0003N03 Control Board 322838-753 Standard 1-inch or 4-inch slotsThe ClimateMaster S17B0003N03 Control Board is a genuine OEM electric 2 heat control board designed specifically for ClimateMaster geothermal and water source heat pump systems. This specified controller is the direct updated version for 17B0003N02, engineered to manage multi stage electric heating functions with precision. As a critical component for HVAC system reliability, this board ensures the seamless sequencing of dual stage electric heat