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REAL Heat 25,000 Btu Marine Hydronic Defroster Heater W002-5424

List price: $847.78
You save: $116.83 (14%)
30 days

SMS W002-5424 REAL Defrost heater 2 @ 4" kit

The REAL fan heater model 5424 was designed to serve as a defrost unit or to heat large outdoor areas such as a flybridge with minimal space requirement. The REAL fan heater model 5424 is rated to 25,000 BTU at 265 cfm on the high setting. The unit can be mounted with the barbs facing either direction with the dual bleeder mounts on the water connections. This unit comes with two open-only black outlets and one 6’ section of duct. Outlets of various other colors are separately available to match the interior of your boat. The unit comes with fittings to install into a ¾“ hose system. Fittings to meet different sizes or PEX systems are separately available.


  • Unit height - 7.5" (8” incl. bleeder)
  • Unit width - 13"
  • Unit depth - 12“(including motor)
  • Amp -9.6 amps (high)
  • Airflow - 265 cfm (high)
  • Max. Est. BTU/h - 25000
  • Weight - 8 lbs.
  • Hose Barb - ¾" NPT to ¾“ hose

This kit includes

  • Single 12v three-speed motor
  • Three speed switch
  • Double 4" outlets w/ 3’ of duct for each outlet
  • White powder coated aluminum casing

24V DC fans optional


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