The A25 Warm Air Control Locks out on a temperature increase to the control setpoint. Manual reset is required before the electrical contacts can be reclosed. The A25 Control is normally located in a return air duct and is wired to shut down air conditioning or ventilating fans when the temperature of the air becomes excessively hot.

Product Code Number	Switch Action	Range °F (°C)	Range Adjuster	Dial Stop °F (°C)
A25AN-1C	Single-Pole, Single-Throw (SPST), Open high	25 to 215 (-4 to 102)	Knob	High limit set at 125 (52)
A25CN-1C	Single-Pole, Double-Throw (SPDT)	25 to 215 (-4 to 102)	Knob	High limit set at 125 (52)

Trip-free reset lever does not permit restarting until the reset lever is manually released
The rod and tube type sensing element provides positive control action