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Please Note: 03/30/21 - We are starting to see a slowdown in the supply chain. As a result, some items shown in-stock may be out of stock when you purchase them. This is due to the inconsistent updating of inventory from our manufactures and distributors. We are doing our best to update the inventory as soon as we receive information. If an item is not available when you purchase it we will notify you within one business day. 

Save 12%

REAL Heat 6400B 19,250 Btu Marine Hydronic Fan Heater

Generally ships in 2 to 4 business days.
List price: $522.95
You save: $63.00 (12%)
30 days

REAL Heat 6400B 19,250 Btu Marine Hydronic Fan Heater

The REAL 6400B 19,250 Btu Marine Hydronic Fan Heater is designed to mount with the grille flush to the bulkhead.

This unit comes with a black powder coated aluminum faceplate.


  • Black Faceplate
  • Unit height* 6-11/16"
  • Unit width -12-1/2"
  • Unit depth -6-7/8"
  • *Bleeder fitting adds 2-3/8" to depth and 1/2" to height.
  • Face plate width-14.25“
  • Face plate height-8.25“
  • Amp .72 @ 12 Volts
  • Airflow -140 cfm
  • Max. Est. BTU/h -19,250
  • Weight -10 lbs.
  • Hose Barb -¾" NPT to ¾“ hose

This Kit Includes

  • Dual 12V DC single speed fans
  • Single or double fan controls
  • White powder coated aluminum casing


  • Two speed switch
  • 24V DC fans
  • Optional fresh air intakes