Portage & Main – Wood-Burning Boiler

Portage & Main – Wood-Burning Boiler2019-10-11T17:24:25+00:00

Ultimizer Wood Series

Portage & Main Outdoor Boilers earned its reputation as an industry leader through 40 years of development and research. The Ultimizer Wood Series are some of the products of this thorough research. The Ultimizer can be incorporated into any existing forced air or hydronic radiant heating system. We offer four sizes, heating from less than 2,000 sq. ft. to 12,000 sq. ft. and producing up to 500,000 BTUs. The Ultimizer Wood Series is ideal for domestic hot water, hot tubs, swimming pools, and much more!
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  • Eliminates creosote and moisture to limit corrosion and other damaging effects

  • Extremely high temperatures make total combustion possible

  • Minimum maintenance required

  • Clean and efficient burning

  • A dry, long-lasting boiler

  • Easy to load and operate

  • Slash your heating costs!

Model Specifications

Specifications BL 25 34 BL 28 40 BL 34 44 BL 40 44*
Boiler Output – (BTU/HR): Up to 125000 225000 370000 500000
Heating Area – (sq. ft.): Up to 2500 4000+ 8000+ 12000+
Dimensions – (L x W x H in inches): 57 x 40 x 66 63 x 42 x 72 63 x 42 x 72 47 x 40 x 48
Shipping Weight – (Pounds): 2100 2300 2800 3500
Fire Chamber – (L x W x H in inches): 34 x 25 x 34 40 x 28 x 35 44 x 34 x 44 47 x 40 x 48
Water Capacity – (US Gallons): 60 90 120 160
Limited Warranty: 20 Year 20 Year 20 Year 20 Year

*BL 40 44 – Wood-Burning Only (In the USA, wood-burning models are legal for commercial, agricultural, and industrial use)

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Our products come from viable manufacturers with proven success in the industry. We proudly back and offer customer service for all of our products.

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