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REAL Heat 25,000 Btu Marine Hydronic Defroster Heater W002-5433

List price: $725.66
You save: $81.71 (11%)
30 days

 REAL Defrost heater 3 @ 3" kit W002-5433

The REAL fan heater model 5433 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 5433 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 three closeable black outlets and a 10’ section of duct to be cut to size. Outlets of various other colors are separately available to complement 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 available separately.


  • Unit height - 7.5" (8” incl. bleeder)
  • Unit width - 13"
  • Unit depth - 9 ½"
  • 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 variable output motor
  • Three speed switch
  • Triple 3" outlets w/ 3’ of duct for each outlet
  • White powder coated aluminum casing

24 VDC fans optional