(Often due to a faulty spark rod or gas supply issues

the S1-024-35267-000 may not be sensing sufficient negative pressure

Safety Compliance: Prevents the ignition of the main burners if the exhaust system is obstructed or the draft is insufficient

providing the precise low-voltage power required for thermostats

if you have a 1

Johnson Controls T46ABH-1 Thermostat 30067439-890 (Often due to a faultyFan Coil Thermostat, Line Voltage, Heating Applications, Auto Off Fan System Switching, No Fan Switch, 40 to 90 Degree Thermostat Range, 50 to 90 Degree Thermometer Range, Almond Color, Gold Faceplate T46ABH 1 is identical to T46ABH 1C