Compare Zerostart 80 Watt Engine Heater - 3100002 Part #: 3100002 Line: ZRO Zerostart 80 Watt Engine Heater 1 Year Limited Warranty Thread Size: 3/4 Inch NPT Cord Length (in): 60 Inch Voltage (V): 120 Volt Wattage (W): 80 Watt Amperage (A): 3.48 Amp Cord Included: Yes Element Mounting Size (in): 3/4 Inch Engine Heater Type: Threaded Immersion Show More Show Less
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 700 Watt Engine Heater - 3100121 Part #: 3100121 Line: ZRO Zerostart 700 Watt Engine Heater 1 Year Limited Warranty Thread Size: 3/4 Inch NPT Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 700 Watt Amperage (A): 3.48 Amp Cord Included: Yes Element Mounting Size (in): 3/4 Inch Engine Heater Type: Threaded Immersion Show More Show Less
Compare Zerostart 600 Watt Engine Heater - 3200004 Part #: 3200004 Line: ZRO Zerostart 600 Watt Engine Heater 1 Year Limited Warranty Cord Length (in): 42 Inch Voltage (V): 120 Volt Bore Diameter (in): 1-3/4 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 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 Length (in): 48 Inch Voltage (V): 120 Volt Wattage (W): 600 Watt Amperage (A): 5 Amp Cord Included: Yes Element Mounting Size (in): 1-3/4 Inch Engine Heater Type: Lower Radiator Hose Show More Show Less