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Portage and Main Ultimizer Wood Series outdoor wood boilers sitting in a wooded area in Algoma

Portage & Main

Ultimizer Wood Series

Ultimizer Wood Series Overview

The Ultimizer Wood Series is the product of more than 50 years of research and development that has earned Portage & Main Outdoor Boilers the reputation as an industry leader. At Enchanted Forest Enterprises, we have 4 sizes available, heating from under 4,000 sq ft to 12,000 sq ft, producing up to 500,000 BTUs/Hour. The Ultimizer can be connected to virtually any existing forced air or hydronic radiant heating system. Heat your home, domestic hot water, other buildings, hot tub, swimming pool, and more.

Compare Models

BL 25-34 Portage and Main Ultimizer Wood Series outdoor wood boiler
BL 28-40 Portage and Main Ultimizer Wood Series outdoor wood boiler
BL 34-44 Portage and Main Ultimizer Wood Series outdoor wood boiler
BL 40-44 Portage and Main Ultimizer Wood Series outdoor wood boiler
BL 25 34
BL 28 40
BL 34 44
BL 40 44
Limited Warranty (years)
20
20
20
20
Water Capacity (gals US)
60
90
120
160
Fire Chamber (in.) L x W x H
34 x 25 x 34
40 x 28 x 35
44 x 34 x 44
47 x 38 x 48
Shipping Weight (lbs)
2,100
2,300
2,800
3500
Dimensions (in.) L x W x H
57 x 40 x 66
63 x 42 x 72
68 x 50 x 82
72 x 57 x 92
Heating Area (sq. ft.)
Up to 4,000
Up to 6,000
Up to 9,000
Max 12,000
Boiler Output (BTU/hr)
175,000 approx.
275,000 approx.
400,000 approx
500,000 approx

Contact us for more information on the Ultimizer Wood Series.

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