Espar Airtronic B4

The overheat sensor/flame sensor monitors heater start up and temperature of the heat exchanger, this part is also refered to as the combi-sensor. Check repair manual for resistance values.

This upper casing has 2 tabs that secure it to the lower casing, Caution should be used as the tabs can break off in cold weather.

The lower casing houses the heater, caution should be used when installing the bare heater into the lower casing, to not bind up the motor.

Exhaust silencer (muffler) for 24mm exhaust system. 

Stainless steel double 90 degree bracket.