Hearthstone
Quality Home Heating Products, Inc.
® Heritage Model 8021
Page 23 of 30
Maintenance
Monitoring Stove Temperatures
Monitor the stove temperatures with a stove
thermometer (available from your dealer) placed on
the top center stone of the stove. The thermometer
could read as high as 500
F (260
C) on High Burn
and 200-300
F (93-149
C) on low burn. Maintaining
sustained temperatures in excess of 600
F (316
C)
will cause the stones to crack and other damage to
the stove.
D
O NOT OVER
-
FIRE THE STOVE
.
(R
EFER TO PAGE
22).
C
REOSOTE
F
ORMATION
A
ND
N
EED
F
OR
R
EMOVAL
When wood is burned slowly, it produces tar and
other organic vapors, which combine with expelled
moisture to form creosote. These creosote vapors
condense in the relatively cool chimney flue of a
slow-burning fire. As a result, creosote residue
accumulates on the flue lining. When ignited, this
creosote makes an extremely hot fire, which may
damage the chimney or even destroy the house.
To prevent the buildup of creosote:
1. Burn the stove with the primary air control fully
open for 30 minutes daily to burn out creosote
deposits from within the stove and the venting
system.
2. After reloading with wood, burn the stove with
the primary air control fully open for 20 to 30
minutes. This manner of operation ensures
early engagement of the secondary combustion
system which, when engaged, minimizes
creosote buildup in the chimney.
The stovepipe connector and chimney should be
inspected at least monthly during the heating season
to determine if a creosote build-up has occurred. If
a creosote residue greater than 1/4" (6 mm) has
accumulated, it should be removed to reduce the
risk of a chimney fire.
If your glass is remaining dirty, your operating
temperatures are low. Therefore, there is a higher
risk of creosote buildup.
The venting system must be inspected at the stove
connection
and
at the chimney top. Cooler surfaces
tend to build creosote deposits quicker, so it is
important to check the chimney at the top (where it is
coolest) as well as from the bottom near the stove.
Accumulated creosote should be removed with a
cleaning brush specifically designed for the type of
chimney in use. A certified chimney sweep should
be used to perform this service. Contact your dealer
for the name of a certified chimney sweep in your
area (your dealer may be a certified sweep!).
It is also recommended that before each heating
season the entire system be professionally
inspected, cleaned and repaired, if necessary.
G
ASKETS
Gasket material should normally be replaced every
two to three seasons, depending on stove use. If
the door seal is loose, a new gasket will assure a
tight seal and improved stove performance. Contact
your dealer for a gasket kit (PN 90-58210) that
includes instructions and gaskets for your stove.
The procedure for replacing gaskets on the glass is
reviewed on page 24.
To replace door gaskets, first remove the old
gaskets with a utility or putty knife. Clean all gasket
channels with a wire brush. Apply gasket cement to
the channels and push the new gasket into place
without stretching the gasket material. The door
should be shut immediately to fully press the gasket
into place and assure a positive seal.
We require the use of the following gaskets (in kit
90-58210):
DOOR:
67" (170 cm) Length, 3/8" (9.5 mm)
Diameter, Adhesive Black Tube
GLASS:
58" (140 cm) Length, 1/4" (.64 cm)
Diameter, Low Density Black Tube
ASH DOOR:
35" (89 cm) Length, 3/8" (9.5 mm)
Diameter, Low Density, Black Tube
SIDE DOOR:
46" (117 cm) Length, 3/8" (9.5
mm) Diameter, Low Density, Black Tube
G
LASS
Do not operate the stove with a broken door glass.
Do not abuse the front door by striking or slamming.
Important:
scratching or etching the glass
will weaken the integrity of the glass. Do not
use a razor blade, steel wool, or any other
abrasive material to clean the glass. Use low
alkaline content cleaners only.
The front door glass is a ceramic, shock-resistant
glass, made specifically for use in woodstoves. Do
