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	Portage & Main Outdoor Water Furnaces Don't Just Meet the Standards in the Industry They Lead & Set the Industry's Standards

The extra-ordinary quality and superb craftsmanship of this outdoor water furnace is supported by the fact that there are many 10 to 20 year old Portage & Main outdoor furnaces functioning without problems.

Ash pan and the water cooled grates allow the Portage and Main to bring combustion air in under the grates and over the fire just below the vertical baffle to allow for a more complete burn of gases-quick recovery and reduced smoke emissions. Also because of the water cooled ash grates and the ash pan, the bottom 1/3 of our stove is not full of ash, we are able to radiate heat into the bottom 1/3 of the fire box which is the cold area and best potential for heat transfer.

The one piece roof of the Portage & Main Outdoor Water Furnace is powder-coated paint for long life. The roof has no trims to rust and deteriorate. It will look good in 25 years. All components of the Portage & Main Outdoor Water Furnace are painted with excellent enduring products. The multi-pass heat exchange is completed surrounded by the water jacket which increases the efficiency. The furnace has a high efficiency rating. The round fire box has all seams double welded (boiler style). Journeyman Welders will attested to the significance and importance of this.

The fire pot is completely surrounded by water to maximize heat transfer and built in "Johnson Controls" — digital water temperature controls automatically adjust the damper. W44 cold rolled steel pickled in oil is used for a long lasting low maintenance fire pot All surfaces are insulated or water cool for safe operation. Portage & Main even allows you to clean the ash tray safely while the furnace is operating.

Standard Models come with cleaning tool, certified chemical water treatment and standard stainless steel chimney.

Portage & Main Outdoor Water Furnaces (wood burners) are available in four sizes — ML 30, ML 36, ML 42, and ML 54. They are CSA approved. Non Insulated models are also available.

Portage & Main Outdoor Water Furnace Models & Sizes

Key Benefits

• Highly Efficient — burns 1/3 to 1/2 less wood
• Best full warranty — 10 year non pro-rated — call for full explanation.
• Reliability — long lasting units.

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Pictures

If a picture is worth a thousand words, please click on the thumbnail pictures to enlarge the picture with a brief description below it.

P&M has a unique 4 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 maximum heat exchange – easily cleanable from
both ends. 1/4" thick welder friendly corrosion resistant
cold rolled steel.

Round firepot provides the best circulation
of water and least number of welds. Even expansion/
contraction means less weld fatigue, the strongest design
and elimination of warping problems. Steam engine
boilers were built round for a reason.

Convenient float (easy to see water level – no sight glass to discolor),
breather tube, and filler pipe’s unique design reduces evaporation.

Water returns through grates for maximum heat transfer
taking advantage of the tremendous amount of heat in the
coal bed, further increasing this furnace’s efficiency.

Shaker grate models shown with over under fire air
controllable induction. Burns soft or hard coal. Shaker
grates not water cooled.

Digital controls programmable to within one degree.

Rear access connections – Encloses: digital temperature
controller and pipe hook-ups – easily accessible and
protected by hinged, lockable doors.

Easy to remove, non-corgugated, galvanized ash pan means you
don’t put out fire or work in messy ashes, to keep the bottom of the burn
chamber clean and dry thus preventing bottom corrosion.
This also results in more heat transfer area ready to pick up
heat from coal bed.

Multiple access doors makes for easy operation and maintenance.
Top quality solid rope gaskets in the doors of the heat
exchanger, the ash pan and the cleaning access doors keep
unit airtight.

Powder coated finish on the roof has no trims to rust or
deteriorate. No chimney through the roof prevents roof leaking
problems. Roof will still look good in 25 years.
Top quality mirror-like paint on the rest of the furnace.
"Portage & Main" is proudly stamped on every unit.

P&M has a unique 4 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 maximum heat exchange – easily cleanable from
both ends. 1/4" thick welder friendly corrosion resistant
cold rolled steel.

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Portage & Main Workmanship

Portage & Main Outdoor Water Furnaces have a long history of great performance. Round fire pots and 1/4" cold-rolled steel means less risk of warping related problems. The welding strength is increased by the boiler style double welds. W44 cold rolled steel has the same corrosion resistant properties as boiler plate. It is know for being a very "uniform" steel, ideally suited to forming without fatiguing. Corrosion is easily controllable with top quality certified boiler water treatment.

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Wood Burning Video

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Phone: 1-306-922-1722 or 1-800-561-0700 Fax: 1-306-922-1662
Address: R.R. 5 Site 16 Comp 114, Prince Albert SK, S6V 5R3
Contact: bmartin@sasktel.net