High Altitude Module HS3-D5E

High Altitude Module for HS3-D5E Heaters Keep your Espar / Eberspaecher HS3-D5E heater running reliably at higher elevations. This OEM high altitude module extends the altitude compensation range of your Easystart Pro controller, helping maintain proper heater performance as elevation increases. Extends altitude compensation up to 11,300 feet Designed for HS3-D5E heaters Works with the Easystart Pro controller Installs between the Easystart Pro controller and the heater wiring harness At elevations up to approximately 8,200 feet, the Easystart Pro controller automatically adjusts for altitude. Add this module when you need reliable operation at even higher elevations.