Tekmar Controls 553 Thermostat 326070-701 a specific regulator spring and

a specific regulator spring and stem for natural gas settings

always verify the integrity of the blower wheel and check for high total external static pressure (TESP)

Designed for the Williams 5507 Series and 6007 Series

and 3/4" in height to ensure it fits within the standard coil casing footprint

Tekmar Controls 553 Thermostat 326070-701 a specific regulator spring andThe Tekmar 553 Thermostat is a versatile 24V AC controls solution designed for advanced hydronic and forced air integration. Operating as a standalone unit or within TekmarNet 2 (tN2) and tN2 tN4 communication bus systems, this programmable touchscreen thermostat manages two stages of heating, one stage of cooling, and full fan control. Contractors utilize the 553 for its precise relative humidity control and auto cycling capabilities, ensuring