DC Thermal SA12-4000-MARINE Brushless Marine Cab Heater 12V 480W 40A

DC ThermalSKU: SA12-4000 MARINE

Sale price$220.93 Regular price$259.99 Save $39.06
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The SA12-4000-MARINE is a 12 Volt, 480 Watt, 40 Amp brushless marine cab heater from DC Thermal. 

This brushless cab heater is 12 Volts, 40 Amps, and 480 Watts. The heater has a maximum of 8016 BTU and is designed for small to medium sized equipment that are unable to handle over 40A on the electrical system. The heater has a standard switch and a 3’ remote switch.


  • Heater Dimensions: 6”x 5” X 4”
  • 12 Volt, 40 Amps, 480 Watts
  • 8016 BTU’s
  • Brushless 50,000 Hour Ball Bearing Fan
  • 10,000 Hour DC Thermal ©RuCar Vacuum Sealed Elements
  • Case Construction: T5052 Aircraft Aluminum
  • Wired Entirely with GXL Wire
  • Thermally Protected
  • High, Off and Low setting


  • Marine Cab Heater
  • Mounting hardware
  • Mounting bracket
  • Fuse
  • Fuse Holder
  • Electrical Connector Ends
  • Detailed Instruction

1 Year Limited Manufacturer's Warranty


bearings Ball
brand DC Thermal
btus 8,016 BTUs
cfm 52
current 0.3
dimensions 4" H x 5" W x 6" D
input voltage 12 Volts
noise 40 db (Measured 1 Meter from Heaters Intake)
power 3.6
pressure 6.731
rpm 3900
wattage 480 Watts
weight 2 lbs

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