plug-and-play fit to maintain accurate HVAC temperature monitoring

Direct submersion is not recommended

Always verify the terminal configuration against your original part before installation

When should I replace my contactor

Zonefirst OAS Air Sensor plug-and-play fit to maintain accurateFor veteran technicians managing dual fuel HVAC systems, the ZoneFirst OAS Air Sensor is a critical component for achieving precise balance point control. This outdoor air sensor is engineered specifically to integrate with ZoneFirst H32, H32P, and MDP3 control panels, providing real time ambient temperature data to the fossil fuel heat pump logic. By utilizing a high accuracy thermistor housed in a UV stabilized polycarbonate enclosure, the OAS