THE NEW Wood Doctor - Outdoor Wood Furnaces

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THE NEW WOOD DOCTOR OUTDOOR WOOD FURNACES ARE NOW PRESSURIZED BOILERS TO PREVENT CORROSION.

THE NEW WOOD DOCTOR NO LONGER MAKES AN OUTDOOR WOOD FURNACE.
WE NOW MAKE OUTDOOR WOOD OR COAL PRESSURIZED BOILERS.

Outdoor Wood Furnaces are open to the atmosphere, which allows air into the water jacket of the Outdoor Furnace which causes oxidization of the metal. This corrosion inside of the Outdoor Wood Furnace water jacket causes leaks and premature failure.

THE ONLY ANSWER TO STOP CORROSION IS TO PRESSURIZE AND REMOVE THE AIR.

We tried everything else.

16 years ago we started out with mild steel outdoor wood furnaces, Mild steel is also called cold rolled steel or plate steel. Mild steel is almost all recycled today. Chevrolet, Ford, Dodge, & Toyota are all milted and mixed together with lots of impurities.

Therefore we moved to 304 stainless but found that if you ever get low on water (for any reason – even a leak in a fitting), if there was a raging fire, then there were lots of cracks. Welder later chased cracks in 304.

We looked around and saw others using 409 so we tried 409 stainless, and it was a disaster. 409 was thin with no corrosion resistance. The titanium is only a trace element in the 409 and did not even slow down the rusting. We ended out running from 409. Almost all furnaces from 409 have been replaced.

Then we settled into boiler plate in an open outdoor wood furnace. It corroded because air was allowed into the water jacket. This oxidized water rusted through the water jacket and flowed into the ashes causing even more corrosion.

WE ARE CONVINCED THAT THERE IS NO WAY TO PREVENT CORROSION WITHOUT REMOVING THE AIR

Therefore, Wood Doctor water stoves are now pressure vessels today.

Wood Doctor Boilers, are clean burning, long lasting, wood boilers that efficiently can be a coal boilers because of the shake and grates. Certification is for both wood or coal.

A Wood Doctor Outdoor Boiler or a Wood Doctor Indoor Boiler heats water by burning wood or coal very efficiently, which in turn heats your house, shop, pool, industrial building, hot tub or greenhouse. Wood Doctor can tie in to existing hot water baseboards, forced air, or in floor heating. Wood and coal are the cheapest forms of heat and can tie into oil, electric or propane for a backup.
Underground super insulated pipes move the hot water to heat multiple homes with one Wood Doctor Outdoor Boiler.

Wood Doctor Boilers are built with certified North American boilerplate steel that carries a 30 year limited warranty.

Wood Doctor is not new to gasification as they have had a converter / gasifier for over 15 years. EPA qualified models are available. EPA white tag gasification will soon be available in a boiler. The long life of a boiler may be worth waiting for.

Wood Doctor Indoor wood/coal burning boilers are available. Wood Boilers or coal boilers are preferable to a wood stove or a wood fireplace as they use hot water to distribute the heat throughout the whole home, plus heat domestic hot water.

The Wood Doctor Indoor wood/coal forced air furnace is also available for those wanting to burn inside using forced air.

Large industrial boilers that are certified for wood or coal, or biomass wood chip boilers, also burn pellets and are available up to 3.5 Million BTU. Grain bins are often loaded with biomass fuel that is automatically augured in.

Corporate website. • 30 year warranty on boiler plate.• Clean burning converter is virtually smokefree.

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