AERCO Boiler and Water Heater 123463 EXHAUST TEMPERATURE SWITCH *** This item is obsolete. Please contact [email protected] for potential replacement options. ***

AERCO Boiler and Water Heater 123463 EXHAUST TEMPERATURE SWITCH *** Factory New, Original Equipment OEM Aerco Boiler and Water Heater, Factory Warranty *** *** This item is obsolete. Please contact [email protected] for potential replacement options. ***