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a. Properly functioning catalysts will be exhibiting a uniform glow from one end to the other (indicating
ignition).
b. Physically degraded catalysts will have cold places (areas not igniting) where plugging, crumbling, or
other degradation has occurred. If this occurs, the monitor probe temperature will not increase at a normal
rate. For further inspection it will be necessary to go by the disassembly method as follows:
Disassembly Inspection Method: For thorough catalysts inspection, removal of the catalyst housing is necessary
(cold heater only).
a. Spread a drop cloth in front of the heater.
b. Open door and clean out any ash.
c. Open the bypass door to give access to the two rear mounting bolts.
d. Using 9/16” wrench or 9/16” socket, loosen the four bolts and remove the catalyst housing (drop down)
and place in a suitable inspection area (it may be necessary to use penetrating oil if nuts and bolts have
seized).
e. Inspect top and bottom side of catalysts for plugging, crumbling, and other physical degradation.
1. If a problem exists, refer to the Troubleshooting section of the manual for possible cause of the
problem and solution (including replacement if necessary).
2. Reassemble if the catalysts are okay being sure the stainless steel heat reflector is positioned back in its
original position and bolt housing and heat reflector securely back in place.
CATALYST REPLACEMENT (Off-Season Replacement Recommended)
The catalysts in your stove are designed for many years of use. If after several years of use, the efficiency of
the stove decreases or if a notable increase in the amount of smoke is observed, the catalysts may need to be
replaced. See the Catalyst Warranty prior to replacement.
1. Spread a drop cloth in front of the stove.
2. Open the door and clean out any ash.
3. Open the bypass door to give access to the two rear mounting bolts.
( C ) STAINLESS STEEL HEAT
REFLECTOR
( D ) CATALYST AND STAINLESS
“CAN”
( I ) UPPER
FIREBOX (INNER
TOP)
( B ) MOUNT-
ING BOLTS
( E ) INTERAM
GASKETING
( F ) STAINLESS
STEEL WIRE MESH
( G ) STAINLESS STEEL MIXING
WIRE
( A ) CATALYST
HOUSING
( H ) 1/16” X 1/2”
FIBERGLASS GASKET
VISUAL INSPECT
CATALYST