Compare Zerostart 400 Watt Engine Heater - 3100040 Part #: 3100040 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-1/2 Inch Cord Length (in): 60 Inch Voltage (V): 115 Volt Bore Diameter (in): 1-1/2 Inch Wattage (W): 400 Watt Amperage (A): 5 Amp Cord Included: Yes Engine Heater Type: Frost Plug, V-Lock Show More Show Less
Compare Zerostart 600 Watt Engine Heater - 3200003 Part #: 3200003 Line: ZRO Zerostart 600 Watt Engine Heater 1 Year Limited Warranty Cord Length (in): 42 Inch Voltage (V): 120 Volt Bore Diameter (in): 1-1/2 Inch Wattage (W): 600 Watt Plug Type: NEMA 5-15 Amperage (A): 5 Amp Cord Included: Yes Engine Heater Type: Cartridge Show More Show Less
Compare KAT's by Five Star 1000 Watt Circulation Tank Heater - 13100 Part #: 13100 Line: KAT KAT's by Five Star 1000 Watt Circulation Tank Heater 1 Year Limited Warranty Capacity: 16 To 25 Quart Cord Length (in): 60 Inch Voltage (V): 120 Volt Wattage (W): 1000 Watt Amperage (A): 8.3 Amp Cord Included: Yes Engine Heater Type: Circulating Tank Show More Show Less
Compare KAT's by Five Star 600 Watt Radiator Hose Heater - 16600 Part #: 16600 Line: KAT KAT's by Five Star 600 Watt Radiator Hose Heater 1 Year Limited Warranty Cord Length (in): 48 Inch Voltage (V): 120 Volt Wattage (W): 600 Watt Amperage (A): 5 Amp Cord Included: Yes Element Mounting Size (in): 1-1/2 Inch Engine Heater Type: Lower Radiator Hose Show More Show Less