With the conveneint float there is no sigh glass to discolor. Breather tube and filler pipe's unique design reduces evaporation.
P&M has a unique four pass water cooled heat exchanger with a horizontal pass of 10 feet of travel incorporating a 180 degree turn to keep heat in the exchanger longer for a amaximum heat exchange--easily cleanable from both ends.
Round firepot provides the best circulation of water and least number of welds. Even expansion/contraction means less weld stree, the strongest design, and eleimination of warping problems. Steam engine boilers were built round for a reason.
Easily removed ash pan means not having to put out fire or work in messy ashes to keep the bottom of the burm chamber clean and dry to prevent button corrosion. This also results in more heat transfer area ready to pick up heat.
Water returns through grates for maximum heat transfer from hot coal bed, further increasing the Portage & Main Outdoor Water Furnace's efficiency.
Digital temperature controlles easily accessible and protected by hinged, lockable doors.
One piece roof with powder coated finish has no trims to rust or deterioate. Roof will still look good in twenty years.
Top quality mirror-like paint (see the photograhphers reflection in the picture) on the rest of the furnace. "PORTAGE & MAIN" is proudly stamped on every unit.
