By integrating the S350AA-1 temperature stage into a modular stack

For safety circuit integrity

Key Benefits for Technicians Universal Application: Standard 24V control circuit makes this heat pump sequencer compatible with electric heat

Key Benefits OEM Compatibility: Specifically calibrated for York and Coleman furnace combustion systems to ensure correct static pressure

If the circuit is open or the resistance has increased significantly beyond factory specs

York S1-021-35517-000 Clamp 321894-708 By integrating the S350AA-1 temperatureThe York S1 021 35517 000 is an OEM stainless steel thermistor clamp engineered specifically for mounting temperature sensors to 5 8 inch OD refrigerant lines. This York thermistor clamp provides the necessary mechanical tension to maintain consistent surface contact between the sensing element and the copper pipe, which is critical for accurate temperature data acquisition and system modulation. In high demand HVACR environments, technicians utilize