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 600 Watt Engine Heater - 3100054 Part #: 3100054 Line: ZRO Zerostart 600 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-5/8 Inch Voltage (V): 120 Volt Wattage (W): 600 Watt Amperage (A): 5 Amp Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100055 Part #: 3100055 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-5/8 Inch Voltage (V): 120 Volt Wattage (W): 400 Watt Amperage (A): 5 Amp 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 600 Watt Engine Heater Cord - 3100082 Part #: 3100082 Line: ZRO Zerostart 600 Watt Engine Heater Cord 1 Year Limited Warranty Thread Size: M40 Type: Frost Plug Length (in): 60 Inch Voltage (V): 120 Volt Wattage (W): 600 Watt Amperage (A): 5 Amp Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100089 Part #: 3100089 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): 5 Amp Cord Included: Yes Element Mounting Size (in): 1-5/8 Inch Engine Heater Type: Threaded Immersion Show More Show Less
Compare Zerostart 1000 Watt Engine Heater - 3100104 Part #: 3100104 Line: ZRO Zerostart 1000 Watt Engine Heater 1 Year Limited Warranty Thread Size: M35 Cord Length (in): 60 Inch Voltage (V): 120 Volt Wattage (W): 1000 Watt Amperage (A): 5 Amp Cord Included: Yes Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100125 Part #: 3100125 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-5/8 Inch Voltage (V): 120 Volt Wattage (W): 400 Watt Amperage (A): 5 Amp 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
Compare Zerostart 600 Watt Engine Heater - 3100127 Part #: 3100127 Line: ZRO Zerostart 600 Watt Engine Heater 1 Year Limited Warranty Thread Size: 1-5/8 Inch Cord Length (in): 60 Inch Voltage (V): 115 Volt Wattage (W): 600 Watt Amperage (A): 5 Amp Cord Included: Yes Engine Heater Type: Frost Plug Show More Show Less
Compare Zerostart 400 Watt Engine Heater - 3100131 Part #: 3100131 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Thread Size: M28 Cord Length (in): 60 Inch Voltage (V): 120 Volt Wattage (W): 400 Watt Amperage (A): 5 Amp Cord Included: Yes Engine Heater Type: Cartridge 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 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 Zerostart 400 Watt Engine Heater - 3200005 Part #: 3200005 Line: ZRO Zerostart 400 Watt Engine Heater 1 Year Limited Warranty Cord Length (in): 42 Inch Voltage (V): 120 Volt Bore Diameter (in): 2 Inch Wattage (W): 400 Watt Plug Type: NEMA 5-15 Amperage (A): 5 Amp Engine Heater Type: Cartridge Show More Show Less
Compare Zerostart 1500 Watt Engine Heater - 3500165 Part #: 3500165 Line: ZRO Zerostart 1500 Watt Engine Heater 1 Year Limited Warranty Thread Size: M27 Voltage (V): 240 Volt Wattage (W): 1500 Watt Amperage (A): 5 Amp Engine Heater Type: Threaded Immersion Show More Show Less
Compare Zerostart 1500 Watt Engine Heater - 8604967 Part #: 8604967 Line: ZRO Zerostart 1500 Watt Engine Heater 1 Year Limited Warranty Thread Size: 3/4 Inch Length (in): 1-3/8 Inch Cord Length (in): 60 Inch Voltage (V): 120 Volt Bore Diameter (in): 3/4 Inch Wattage (W): 1500 Watt Amperage (A): 5 Amp Cord Included: Yes Engine Heater Type: Threaded Immersion Show More Show Less
Compare KAT's by Five Star 600 Watt Radiator Hose Heater - 16500 Part #: 16500 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): 1-1/4 Inch Engine Heater Type: Lower Radiator Hose 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