The Hyprotherm, Front Loading, Residential Hydronic series is a front loading furnace with more water capacity and a larger firebox then any other furnace in its class. These coal only furnaces feature fireboxes that are 3/8” thick. The water jacket bottom is also 3/8” thick with the sides and top being 3/16”. All of these front loading furnaces come with large 24” x 24” fuel fill doors and removable ash pans to make ash removal simple. They have cast iron coal grates and each furnace is pre wired with only one connection to a power supply necessary, making them basically plug and play. Each comes with; lock down vault assembly door latch, two 1” supply and two 1” return nipples. Also includes a water level sight gauge and a digital thermostat to control the combustion blower.
Water Capacity; 85 gallon
Water Jacket Thickness Bottom; 1/4”
Water Jacket Thickness Sides and Top; 3/16”
Firebox Capacity; 15 cubic feet
Firebox Dimensions; 1/4” thick @ 27”L x 29”W x 34”H
Overall Dimensions: 63 ½”L x 46”W x 87”H
Shipping Weight: 1,685 lbs Approx
Fuel Door; 24” x 24”
No pump, no hot water coil, no access for water coil,
No ash compartment or ash door, no removable ash pan,
No stove poker, no motion light, no chimney cap

Water Capacity; 85 gallon
Water Jacket Thickness Bottom; 3/8”
Water Jacket Thickness Sides and Top; 3/16”
Firebox Capacity; 15 cubic feet
Firebox Dimensions; 3/8” thick @ 27”L x 29”W x 34”H
Overall Dimensions: 63 1/2”L x 46”W x 87”H
Shipping Weight: 1,996 lbs Approx
Fuel Door; 24” x 24”
Grate System; Flat Cast (requires 1)
Ash Cleanout: removable Ash Pan
BTUs; 95,243 @ 180 degree
Heatable Area; 2,300 sq ft Approx

Water Capacity; 100 gallon
Water Jacket Thickness Bottom; 3/8”
Water Jacket Thickness Sides and Top; 3/16”
Firebox Capacity; 16 ½” cubic feet
Firebox Dimensions; 3/8” thick @ 28”L x 30”W x 34”H
Overall Dimensions: 64 ½”L x 46”W x 87”H
Shipping Weight: 1,774 lbs Approx
Fuel Door; 24” x 24”
Grate System; Flat Cast (requires 1)
Ash Cleanout: Removable Ash Pan
BTUs; 112,050 @ 180 degree
Heatable Area; 2,800 sq ft Approx

Water Capacity; 185 gallon
Water Jacket Thickness Bottom; 3/8”
Water Jacket Thickness Sides and Top; 3/16”
Firebox Capacity; 19.77 cubic feet
Firebox Dimensions; 3/8” thick @ 33.5”L x 30”W x 34”H
Overall Dimensions: 70”L x 46”W x 87”H
Shipping Weight: 2,040 lbs
Fuel Door; 24” x 24”
Grate System; Flat Cast (requires 1)
Ash Cleanout: Removable Ash Pan
BTUs; 207,293 @ 180 degree
Heatable Area; 5,182 sq ft Approx
Water Capacity; 266 gallon
Water Jacket Thickness Bottom; 3/8”
Water Jacket Thickness Sides and Top; 3/16”
Firebox Capacity; 29 cubic feet
Firebox Dimensions; 3/8” thick @ 49.5”L x 30”W x 34”H
Overall Dimensions: 86”L x 46”W x 87”H
Shipping Weight: 2,490 lbs Approx
Fuel Door; 24” x 24”
Grate System; Flat Cast (requires 2)
Ash Cleanout: Removable Ash Pan
BTUs; 296,933 @ 180 degree
Heatable Area; 7,400 sq ft Approx
Water Capacity; 301 gallon
Water Jacket Thickness Bottom; 3/8”
Water Jacket Thickness Sides and Top; 3/16”
Firebox Capacity; 34 cubic feet
Firebox Dimensions; 3/8” thick @ 57.5”L x 30”W x 34”H
Overall Dimensions: 94”L x 46”W x 87”H
Shipping Weight: 2,920 lbs
Fuel Door; 24” x 24”
Grate System; Flat Cast (requires 2)
Ash Cleanout: Removable Ash Pan
BTUs; 336,150 @ 180 degree
Heatable Area; 8,400 sq ft Approx
Water Capacity; 350 gallon
Water Jacket Thickness Bottom; 3/8”
Water Jacket Thickness Sides and Top; 3/16”
Firebox Capacity; 41 cubic feet
Firebox Dimensions; 3/8” thick @ 69.5”L x 30”W x 34”H
Overall Dimensions: 108”L x 46”W x 87”H
Shipping Weight: 3,580 lbs
Fuel Door; 24” x 24”
Grate System; Flat Cast (requires 3)
Ash Cleanout: Removable Ash Pan
BTUs; 392,175 @ 180 degree
Heatable Area; 9,800 sq ft Approx

Water Capacity; 403 gallon
Water Jacket Thickness Bottom; 3/8”
Water Jacket Thickness Sides and Top; 3/16”
Firebox Capacity; 41 cubic feet
Firebox Dimensions; 3/8” thick @ 69.5”L x 30”W x 34”H
Overall Dimensions: 122.5”L x 48”W x 87”H
Shipping Weight: 3680 lbs
Fuel Door; 24” x 24”
Grate System; Flat Cast (requires 3)
Ash Cleanout: Removable Ash Pan
BTUs; 451,562 @ 180 degree
Heatable Area; 11,288 sq ft Approx
