the blower will run continuously but the burner will not fire

the T174 would be the appropriate 208-277V equivalent

typically integrated via a system selector switch or controller

making it suitable for varying electrical specifications within the supported equipment range

Enhanced Control: Features an integrated three-speed fan selector for improved airflow management and occupant comfort

Automation Components Inc (ACI) A/ENT Controller 321142-301 the blower will run continuouslyThe Automation Components Inc (ACI) A ENT is a high precision enthalpy controller engineered to optimize HVAC efficiency by monitoring ambient temperature and humidity. Primarily designed for economizer control and original equipment manufacturers (OEMs), this unit effectively converts capacitive humidity sensor data into a linear 2 wire, 4 to 20 mA output. With a measurement scale spanning 0 to 50 BTUs, the device provides critical input for systems