Compare Zerostart 400 Watt Engine Heater - 3100038 Part #: 3100038 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 Wattage (W): 400 Watt Amperage (A): 5 Amp Cord Included: Yes Element Mounting Size (in): 1-1/2 Inch Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100039 Part #: 3100039 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 Wattage (W): 400 Watt Amperage (A): 5 Amp Cord Included: Yes Element Mounting Size (in): 1-1/2 Inch Engine Heater Type: Frost Plug 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 400 Watt Engine Heater - 3100044 Part #: 3100044 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 Wattage (W): 400 Watt Amperage (A): 5 Amp Cord Included: Yes Element Mounting Size (in): 1-1/2 Inch Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100057 Part #: 3100057 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-5/8 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 5 Amp Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100065 Part #: 3100065 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-3/4 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 5 Amp Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100070 Part #: 3100070 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-15/16 Inch Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 5 Amp Cord Included: Yes Element Mounting Size (in): 1-1/2 Inch Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100072 Part #: 3100072 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 2 Inch Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 5 Amp Cord Included: Yes Element Mounting Size (in): 2 Inch Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100126 Part #: 3100126 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-5/8 Inch Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 5 Amp Cord Included: Yes Element Mounting Size (in): 1-5/8 Inch Engine Heater Type: Frost Plug Show More Show Less