AERCO Boiler and Water Heater 18557-2 Reverse Acting Remote Bulb Thermostat -20°F-240°F

The AERCO Boiler and Water Heater 18557-2 Reverse Activating Remote Bulb Thermostat is a reverse acting temperature control part used to control boilers and water heaters. This reverse-acting thermostat works in the temperature range of -20 F to 240 F, making it possible to have close control of heating systems. It works through the detection of temperature at a distant place with the help of an external bulb and switching on/off the heating appliances. This remote sensing capability enables precise temperature control across different applications to achieve better system performance and energy use.