FEATURES Built-in adjustable thermostat. DWH has an externally adjustable knob. Overheat cutout. Thermostat setting determines cutout temperature on DWH. Cutout on DWH-MR has manual reset. Built-in contactoron DWH-MR only. Moisture spray resistant gasketed terminal cover on DWH-MR only. Pilot light and ON/OFF switch on DWH-MR only. DWH has pilot light and adjustable thermostat knob. Optional thin wall mounting up to 1/4" thick with 23/8" diameter opening. Clamping nut and g...