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Radiance Vent-Free Gas Heater
20004555
Catalytic Combustor
The combustor should be cleaned annually to ensure
optimal performance. Follow the procedure below.
Remove the Combustor Module
1. Be sure the heater is COLD.
2. Remove the front plate, top grille and screen. (Fig. 36)
3. Use the phillips screwdriver to remove the two sheet
metal screws that secure the combustor to the top of
the firebox. (Fig. 37) Use a flat screwdrive to lift the
unit up and out through the front of the stove.
Clean the Combustor Module
1. Clean the outer surface of the filter with the brush at-
tachment of your vacuum sweeper to remove loose
dirt.
2. Submerge the filter in a mild soapy water solution.
Rinse thoroughly with distilled water.
3. Replace in heater when dry.
Replace the Combustor Module
1. Slide the combustor through the front opening of
the stove and insert it into the housing on top of the
firebox. Secure with the two sheet metal screws.
2. Replace the glass panel and front.
ST139
Fig. 36 Remove the front plate and top grille/screen.
ST139
Radiance
remove front
4/20/01 djt
ST201
remove catalytic
combustor
11/99
ST201
Fig. 37 Remove the catalytic combustor module.