Marine Heater - Heater Craft 300 Sport Kit with Three, 3" Vents

$421.88 On Sale

Marine Heater - Heater Craft 300 Series Kit - 300 Sport
SKU: 474503
Mfg# 300 Sport
UNIT: Each
In Stock - Ships out in 1 Business Day


The Heater Craft 300 Sport Kit is a Marine Heater that puts your boat engines heat to work warming you and your crew. Putting out 40,000 BTU/hour to three, 3" vents, this heater kit has everything you need to give warmth and comfort in three areas on your boat. The Heater Craft 300 Sport kit lets you take the chill out of your late night boat rides, warm yourself, loved ones and friends after a swim and extend your boating season.

Included in the Heater Craft 300 Sport kit:

  • One Heater Unit w/wire harness
  • One High Low switch with indicator assembly
  • 3" Vent hose (6ft per vent)
  • Two 6' Sixteen-gauge wire
  • Universal mounting brackets & screws
  • Heavy duty wire ties

Heater Technical Specifications:

  • 40,000 BTU Heater
  • 45 degree face vent delivers heat 8% faster
  • Takes up 5% less space allowing more versatility during installation
  • Amperage: Low 4.4, Med 5.8, High 8.5
  • Maximum estimated BTU/h: 40,000
  • Air flow: Low 230 cfm, Med 228 cfm, High 263 cfm
  • Hose barb: 5/8"
  • Dimensions: 16 W x 6.5 H x 9.5 D (without mounting brackets)



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Heater Craft warrants your Hydronic Heater System and Shower Wash Down System to be free from defects in material and craftsmanship under normal use and service by the original consumer purchaser for a period of four 4 years from the date of purchase.


  • All returns must be recevied within 30 days of receipt of the order.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.