When it comes to PTAC maintenance, sensors are one of those parts that don't get much attention — until they fail. At parts4hvac.com, Islandaire sensors have quickly become one of our best-selling product lines, and it's easy to see why: they're affordable, reliable, and essential for keeping DIG6 and DIG7 units running at peak performance.
Why Sensors Fail (and Why You Should Stock Them)
Thermistors and sensors are constantly exposed to temperature swings, humidity, and dust. Over time, they drift out of calibration or fail entirely — causing erratic temperature control, unit lockouts, or compressor issues. For property managers running multiple PTAC units, or HVAC technicians servicing hotels and multi-family buildings, a failed sensor means a service call. Having the right sensor on hand means a 10-minute fix instead of a callback.
Our Islandaire Sensor Lineup
We carry the full set of sensors for Islandaire DIG6/DIG7 units:
