The temperature and overheat sensor is suitable for air heater model:
PLANAR 44D-12-GP-P-3045
PLANAR 44D-24-GP-P-3030
PLANAR 4DM2-12-GP-P-3585
PLANAR 4DM2-24-GP-P-3580
AUTOTERM Air 4D
We recommend to buy a Starlock EU/910 and the ceramic gasket EU/P2661 additionally so that the temperature sensor would be fixed in its place correctly.