ensuring the unit maintains high performance and energy efficiency during the heating season

this device is calibrated to trip at 240°F

the FM1D20A-120 should be specified to match the system voltage

Common indicators include persistent nuisance trips where the Sentronic module shows a red LED despite verified oil levels

Part of the Danfoss DML series

AERCO Boiler and Water Heater 59138 Air Filter 322056-301 ensuring the unit maintains highThe AERCO Boiler and Water Heater 59138 Air Filter is a high performance 6" K&N replacement air filter engineered to maintain peak efficiency for your commercial heating systems. Designed as a precision fit HVAC induction filter, this component ensures maximum airflow while providing superior washable air filter technology. By effectively trapping particulates, the AERCO 59138 prevents combustion internal debris buildup, protecting sensitive internal