FREQUENTLY ASKED QUESTIONS
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How far can the unit be from my home?
The Johnson Furnace is designed to be outside of the home, away from the house. The usual
installation distance is between 50 and 200 feet. An installation location greater than 200 feet
from the area you are heating will reflect in a loss of efficiency due to the great lengths the water
travels. If necessary, this may be compensated for by using a larger diameter copper pipe
instead of the normal recommended 1" Kitec pipe.
Do you use stainless steel in making your furnaces?
We know our competition. A few others make stainless steel furnaces. Johnson Furnaces are not
forced to use stainless to compensate for poor design or quality. Our foolproof steel design is the
same used in commercial boilers for over 100 years. Our oval firebox contains fewer welds than
a square box would.
How can you claim to have 50%-80% less smoke than competitors?
Johnson stoves come standard with two blowers. One is located on the ash door, the other on the
back of the stove. In other stoves, this is where the smokes leaves through the chimney. The
removable baffle plate in our furnace cover the exit to the chimney and forces smoke to travel
back to the front of the stove over the lip of the baffle plate and then to the back again and out the
chimney. These three passes allow gases more time to get burned creating less smoke and
providing more heat from your wood!
How does the furnace work?
The firebox is surrounded by water. When the water temperature is in the furnace drops below the
set temperature on the furnace, the Air Injection System automatically turns on. Air is then injected
beneath the fire across the top of the firebox to increase burn intensity. Waste materials (smoke
and Creosote) are burned as fuel rather than discarded smoke. Water tubes in the top of the fire
box make up a water baffle to transfer more heat into the water. A bypass is opened up when
loading wood to allow smoke to go up the chimney instead of escaping from the loading door.
How difficult is the stove to install?
The Johnson stove is relatively easy to install by running two pipes between the furnace and the
building to be heated. One pipe will be a supply of hot water to the building to be heated, the
other will be a return pipe, carrying cooled water away from the building. KITEC pipe is highly
recommended and has proven to be extremely durable in cold weather conditions. The KITEC
pipe should be enclosed in some type of insulation and then housed in PVC pipe for best results.
Pipes should be buried 18"-36" below ground.
What is an internal combustor?
This totally new technology is so far advanced that it makes even the best of grates and ash
removal systems obsolete. This new concept is more efficient than other designs it's like putting a
supercharger in a furnace.
Local Financing Available
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Rod Versluys Construction
Orion Illinois
(309) 526-3161
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