Heat Addition Module - with Espar Canbus Module this allows you to use

this allows you to use the same ducting

252746 HG AM2 D4R 12V

Newer generation heaters are not compatible and will not communicate

The thermostat features 7 blower speeds (40-100%)

Heat Addition Module - with Espar Canbus Module this allows you to use*This kit is to be purchased at the time of kit purchase* Please note. This is ONLY compatible with the part number heaters at the bottom of this page and the part number must be on the heater and not a superseded number. Newer generation heaters are not compatible and will not communicate. We recommend the non communicating version of the heat box and using Relay 1 as on off for the heater. If your require an upgrade to a existing system please email