Compare Maximum number of 4 items selected Zerostart 400 Watt Engine Heater - 3100002 Part #: 3100002 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Cord Included: Yes Wattage (W): 400 Watt Cord Length (in): 60 Inch Voltage (V): 120 Volt Amperage (A): 3.48 Amp Thread Size: 3/4 Inch NPT Element Mounting Size (in): 3/4 Inch Engine Heater Type: Threaded Immersion Show More Show Less
Compare Maximum number of 4 items selected Zerostart 600 Watt Engine Heater - 3100040 Part #: 3100040 Line: ZRO Zerostart 600 Watt Engine Heater 1 Year Limited Warranty Cord Included: Yes Wattage (W): 600 Watt Cord Length (in): 60 Inch Voltage (V): 115 Volt Amperage (A): 5 Amp Thread Size: 1-1/2 Inch Bore Diameter (in): 1-1/2 Inch Engine Heater Type: Frost Plug, V-Lock Show More Show Less
Compare Maximum number of 4 items selected Zerostart 400 Watt Engine Heater - 3100121 Part #: 3100121 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Cord Included: Yes Wattage (W): 400 Watt Cord Length (in): 60 Inch Voltage (V): 115 Volt Amperage (A): 3.48 Amp Thread Size: 3/4 Inch NPT Element Mounting Size (in): 3/4 Inch Engine Heater Type: Threaded Immersion Show More Show Less
Compare Maximum number of 4 items selected Zerostart 600 Watt Engine Heater - 3200004 Part #: 3200004 Line: ZRO Zerostart 600 Watt Engine Heater 1 Year Limited Warranty Cord Included: Yes Wattage (W): 600 Watt Cord Length (in): 42 Inch Voltage (V): 120 Volt Amperage (A): 5 Amp Bore Diameter (in): 1-3/4 Inch Plug Type: NEMA 5-15 Engine Heater Type: Cartridge Show More Show Less
Compare Maximum number of 4 items selected Zerostart 1000 Watt Engine Heater - 3500043 Part #: 3500043 Line: ZRO Zerostart 1000 Watt Engine Heater 1 Year Limited Warranty Wattage (W): 1000 Watt Voltage (V): 120 Volt Amperage (A): 8.33 Amp Thread Size: 3/4 Inch Length (in): 3-7/8 Inch Bore Diameter (in): 3/4 Inch Engine Heater Type: Threaded Immersion Show More Show Less
Compare Maximum number of 4 items selected KAT's by Five Star 600 Watt Radiator Hose Heater - 16700 Part #: 16700 Line: KAT KAT's by Five Star 600 Watt Radiator Hose Heater 1 Year Limited Warranty Cord Included: Yes Wattage (W): 600 Watt Cord Length (in): 48 Inch Voltage (V): 120 Volt Amperage (A): 5 Amp Element Mounting Size (in): 1-3/4 Inch Engine Heater Type: Lower Radiator Hose Show More Show Less
Compare Maximum number of 4 items selected KAT's by Five Star 600 Watt Radiator Hose Heater - 16800 Part #: 16800 Line: KAT KAT's by Five Star 600 Watt Radiator Hose Heater 1 Year Limited Warranty Cord Included: Yes Wattage (W): 600 Watt Cord Length (in): 48 Inch Voltage (V): 120 Volt Amperage (A): 5 Amp Element Mounting Size (in): 2 Inch Engine Heater Type: Lower Radiator Hose Show More Show Less