Heatmaster G series Outdoor Boilers

RSI Boilers - HeatMaster SS Authorized Dealer

Outdoor Wood Boilers
Parts and Accessories
HeatMaster SS Website
Boiler Delivery

Model G4000 

  • Pricing $$11,595  (Qualifies for 26% federal tax credit)

The G4000 is the perfect marriage of size, performance and efficiency for heating a single residence or multiple buildings up to 4000 sq ft.

G series 4000
  • Approx. Heating Space*4,000sq. ft. 
  • 8 Hour Burn Rate68,025 BTU/hr 
  • Water Capacity (US Gallons)116 gallons 
  • Firebox Volume8.5 ft3 
  • Recommended Wood Length18-20" 
  • Firebox Dimensions (L” x W” x H”)23" x 22" x 29" 
  • Firebox Door20" x 20" 
  • Weight1,448 lbs 
  • Outlets1 set of 1” and 1 set 1.5" 
  • Chimney Size6” 
  • Dimensions*** (L” x W” x H”)59" x 42" x 92"
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook


Please Contact us for more info or with any questions
Philip Howard / RSI
109 Commercial St / PO box 341
Arlington, WI 53911

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