Compare Zerostart 400 Watt Engine Heater - 3100001 Part #: 3100001 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1/2 Inch NPT Cord Length (in): 60 Inch Voltage (V): 120 Volt Wattage (W): 400 Watt Amperage (A): 3.33 Amp Cord Included: Yes Element Mounting Size (in): 1/2 Inch Engine Heater Type: Threaded Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100002 Part #: 3100002 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 3/4 Inch NPT Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Element Mounting Size (in): 3/4 Inch Engine Heater Type: Threaded Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100003 Part #: 3100003 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1 Inch NPT Cord Length (in): 60 Inch Voltage (V): 120 Volt Wattage (W): 400 Watt Amperage (A): 3.33 Amp Cord Included: Yes Element Mounting Size (in): 1 Inch Engine Heater Type: Threaded Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100005 Part #: 3100005 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M28 Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100006 Part #: 3100006 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M28 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Threaded Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100007 Part #: 3100007 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M30 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Threaded Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100008 Part #: 3100008 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M36 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Threaded Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100009 Part #: 3100009 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M30 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100010 Part #: 3100010 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M30 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100011 Part #: 3100011 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M30 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100014 Part #: 3100014 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M34 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100015 Part #: 3100015 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M34 Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100016 Part #: 3100016 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100018 Part #: 3100018 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100019 Part #: 3100019 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100020 Part #: 3100020 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100021 Part #: 3100021 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100022 Part #: 3100022 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100023 Part #: 3100023 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Type: Expansion Plug Cord Length (in): 60 Inch Voltage (V): 115 Volt Bore Diameter (mm): 35mm Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100024 Part #: 3100024 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100029 Part #: 3100029 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100033 Part #: 3100033 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M36 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100034 Part #: 3100034 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M37 Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 400 Watt Amperage (A): 3.48 Amp Cord Included: Yes Engine Heater Type: Expansion Plug Show More Show Less
Compare Zerostart 600 Watt Engine Heater - 3100038 Part #: 3100038 Line: ZRO Zerostart 600 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-1/2 Inch Cord Length (in): 60 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: Expansion Plug Show More Show Less