High Altitude Sensor

Espar heaters can be run up to 5,000 feet in altitude. To run the heater at higher altitudes you need to use the High Altitude Sensor. These units are easy to install and can be used on most late model heaters. To verify you have a compactable heater you need to look at the ID tag on the heater and be sure that H-Kit is on the tag as seen in image below. However if this is not on the ID tag you still might be able to use it. All you need to do is get the complete part number off the ECU including any leter at the end and call us. Many times a new ECU is put in and older heater and this is one way to check compatibility.