The Ridgewood Stove
The Ridgewood Stove Outdoor Wood Furnaces uses a 500 gallon propane tank repurposed into a firebox. By using a tank, we save you approximately $900.00 in new material and labor compared to traditional Outdoor Wood Boilers. Propane tanks are 5/16β thick, one of the thickest fireboxes available! The tanks are rated for over 215 PSI, which is way more than needed. It is well known that the strongest structural design is round and the weakest is square or rectangular. This pertains to boilers as well. For longevity and strength our propane tank uses this round boiler design. Round designs have fewer welds and this is very important. Square or rectangular designs with many welds and faceted corners, could be problematic. Our water jacket is a round design as well and is 3/16" thick. The jacket is insulated with spray foam for greater efficiency. The larger outdoor wood stove has a large steel 24β x 24β door and is insulated with 2200 degree ceramic fiber insulation. The chimney is 8' schedule 40 steel, 5/16β thick. Welds are 100% penetration. These are some of the heaviest built outdoor wood furnaces available - anywhere!
What It Can Heat
The Ridgewood Stove Outdoor Wood Furnace has many heating options available:
Domestic Hot Water
Forced Air Furnaces
How It Heats
The Ridgewood outdoor furnace is a natural draft system. It burns wood and heats the water that is in the water jacket. The wood furnace water jacket completely surrounds the firebox. Water is pumped through an insulated line that is buried in the ground and attaches to a indoor furnace coil that is mounted in the duct work of your home. When your home calls for heat, only the furnace blower turns on, blowing air through the furnace coil and heating your house with the heat created in your outdoor wood stove.
Everyday, before you load wood into your outdoor wood stove, you will want to pull the ash and coal pile to the front of your firebox. Make it into a heaping pile, then load wood on and behind the coal pile. The fire will burn through the coal pile and into the wood burning coal, to ash much better.
Another benefit of raking ashes forward each day is that it will make it easier when you need to empty the ashes, ever 4-6 weeks. The ashes will already be in the front, and more of the firebox is available for heat transfer to the water jacket. This will make your outdoor wood stove work faster and burn less wood! If you allow your outside wood furnace firebox to fill half way up with ashes, you will minimize the heat transfer area and will have a tough time finding room for wood.
The Ridgewood Stove Outdoor Wood Furnace is made out of mild steel, and you know mild steel left untreated will corrode. We use Sodium Nitrate for corrosion protection. Basically, Sodium Nitrate removes oxygen, and without oxygen there will be no corrosion.
We maintain the levels of Sodium Nitrate by requesting one water sample, from the water jacket, per year. The test is free, we are checking the dilution of Sodium Nitrate so we can let you know when you need more. On average you will need to add half a gallon per year, which will cost you about $20.00.
Workmanship covered for one year
Corrosion: Years 1-5 100%, Years 6-10 50%
*Call for more details*
Ridgewood Stove is U.L. Tested. It is the buyers responsibility to check their local and state laws.
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