Caframo Pali 400W Engine Compartment Heater 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. The Caframo Pali engine compartment heater is the only one of its kind to be fully safely compliant to UL and CSA standards. Pali 9510 utilizes and intern