Pali 9510 400W 120VAC Engine Compartment Heater. Protects your engine from freezing in engine compartments up to 80ft3 by utilizing an internal sealed thermostat to turn the heater on at 41 degrees F 5 degrees C . Extend the boating season and protect your engine against surprise cold snaps prior to winterization. The Pali utilizes a self-regulating PTC heating element that cannot overheat. It meets all ignition protection guidelines and standards to allow it to be safely used in the marine engine compartment. It is the only heater of its type fully safety compliant to UL and CSA standards. The Pali utilizes an internal hermetically sealed thermostat to turn the heater on at 41 degrees F 5 degrees C and off at 59 degrees F 15 degrees C . Continuously protects engine compartments up to 80 cubic feet at 4 degrees F 20 degrees C outside ambient temperature. Features Ignition Protected Design. Safe Self-Regulated PTC Heaters. Impinged Air Technology. Dual Airflow Redundancy. Protects your engine from freezing in engine compartments up to 80ft3 by utilizing an internal seale It is the only heater of its type fully safety compliant to UL and CSA standards. The Pali utilizes Features . Ignition Protected Design Safe Self-Regulated PTC Heaters. Impinged Air Technology Dual Airflow Redundancy Omnidirectional Airflow Discharge Safe Hermetically Sealed Thermostat