Water Capacity; 425 gallon
Water Jacket Thickness; 3/16”
Firebox Capacity; 54 cubic feet
Firebox Dimensions; ½” thick x 6’L x 3’W x 3’
Fuel Door; 6’L x 3’W x 3’H
Grate System; Round steel (requires 6)
Ash Cleanout: Door only, no removable ash pan
BTUs; 416,752 @ 180 degree
Heatable Area; 10,000 sq ft

The standard insulation on our furnaces is:

2″ of Morgan Super Wool with an R value of 56.8 on the tops and fronts and 3″ of Knauf ET Blanket + 1/4″ of Solar Guard for a combined R value of 23.1 on the rest of the furnace

The cold weather package is R-88.23 on tops and fronts and 68.4 on the rest of the furnace and is available for an additional $520.00

You can find out more insulation information including video demonstrations by going to the insulation page.

More Specifications
Length: 72”
Width: 82”
Height at roof peak (includes pallet):
Flue Length above peak:
Flue Pipe OD: 8.625”
Weight with standard features (includes pallet): 5800 lb
Manufacture and Transport pallet dimensions:
106” wide x 74” long x 6” tall
Crated Furnace Dimensions:

The pad sizes are the minimum needed for each furnace size and should give a 12” lip all around the furnace. The suggested spot to run the wires and plumbing thru the pad are the same for every size, which is 24” in from the back and 24” in from the right.