Johnson Controls A25 Series Warm Air Limit Control with Manual Reset
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.
Available Models:
| 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) |
Features:
- 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