
4
When constructing a single wall smoke pipe, the following
guidelines must be observed.
1. e connector pipe should be 24 gauge or heavier stainless
steel or black pipe.
2. Secure all joints with three #8 screws.
3. If the connector pipe must pass through a wall, an approved
insulated or ventilated thimble, at least three times the di-
ameter of the smoke pipe must be used. (i.e. a 6” diameter
smoke pipe needs an 18” thimble).
4. e connector pipe should never be used as a chimney.
IMPORTANT INFORMATION FOR ALL
CONNECTOR PIPES
e connector pipe must be constructed and installed so that
it maintains clearances, keeps condensation and creosote within
the pipe, and is capable of withstanding a 2100°F degree chim-
ney re.
1. e connector pipe should slant down toward the furnace
a minimum of 1/4” to the foot. At no time should the pipe
turn downward toward the chimney or run horizontal.
2. ere should be no more than two 90 degree elbows.
3. e connector pipe should never be longer than six feet. If
it is absolutely necessary to make a run of more than six feet
(not recommended) use extra support brackets every 3 feet.
4. e connector pipe should never be reduced to a smaller
size than ue opening on the furnace.
5. e connector pipe should not block the ue of the chimney
or extend into it in any way.
6. A good airtight thimble should be used to hold the connec-
tor pipe in the chimney. It should be constructed so the con-
nector pipe can be removed for cleaning.
7. e connector pipe should not leave the heated portion of
the building to reach the chimney.
8. e connector pipe should not pass from one story to the
next before entering the chimney, nor should it pass through
any closed or enclosed space.
9. e connector pipe and any elbows must be of 24 gauge or
greater.
10. e connector pipe should not be located near or in a walk
way or well traveled area.
11. All male ends of connector pipe should run or point to-
wards the furnace.
12. Install a cast iron adjustable damper in the rst joint of the
connector pipe, nearest to the ue collar.
DAMPERS ON STOVE PIPES
When burning coal, we recommend a Barometric Dra Damper
be installed at a safe convenient place between chimney and your
furnace preferably less than 3’ from the ue collar.
When you have installed the connector pipe between your fur-
nace and the chimney, tap the pipe hard with your ngernail.
Remember the sound it makes - it will be a “ting” echoing inside
the stove pipe. If later you tap and hear a mued thud, you are
building up soot in the pipe and should clean it. is pipe should
be cleaned at least once or twice during the heating season.
DO NOT CONNECT TWO HEATERS TO THE SAME CHIM-
NEY FLUE. e National Fire Prevention Association recom-
mends that coal burning appliances vent into a separate ue
from gas or oil furnaces. If such an installation is contemplated,
rst check with a local building inspector to nd out if a separate
ue for a coal burner is required.
Use of a Barometric Dra Control is recommended ONLY in the
event your chimney creates excessive dra leading to an over-
ring condition.
HEATED AIR DISCHARGE
e Clayton furnace is designed for use as a supplemental heating
source. When used as a supplementary furnace, the 1602/1802 is
connected in conjunction with an oil, gas, or electric furnace to
the existing duct work which distributes the heated air into sev-
eral rooms and/or areas.
ough United States Stove Company expressly Does Not rec-
ommend the use of its furnaces to be installed and/or used as
a free-standing heater, it is possible to achieve a reasonably safe
and functional installation IF certain standard procedures are
followed. e following are guidelines only and are intended to
enable the furnace user to obtain reasonable eciency from his
furnace, and with due respect to safety when installing as a “free-
standing heater”. If installed correctly, and in accordance with
the instructions found in this manual, your warm air furnace
may be installed as a “space heater” within living quarters, cab-
ins, garage, or workshop. Please adhere to the following:
1. e use of a cold air return and/or lter box is mandatory.
is will not only increase your blower life and provide l-
tered air, it will also help prevent the blower or blowers from
“capturing” heated air exiting from the top of the furnace
heat outlets.
2. If installed as purchased , without directing the heat away
from the furnace itself, it will simply sit and cycle, turning
the blowers o and on. e thermostat may not function
properly.
3. All larger furnaces (or those with multi-speed blowers) ab-
solutely require BACK PRESSURE to prevent premature
motor winding failure. If allowed to operate at high RPM
(As in “FREE AIR” mode - no duct work or ow restric-
tions) the windings overheat, insulation melts and the mo-
tor simply burns up - not covered under warranty.
CONNECTING HOT AIR DUCT
TO FURNACE
We strongly recommend that the hot air duct work be installed
by a home heating specialist. If doing the installation yourself,
before you decide which installation will best suit your needs,
consult a qualied heating technician and follow his recommen-
dations as to the safest and most ecient method of installation.
e following illustrations are the ONLY acceptable congura-
tions when installed with existing oil or gas furnaces.