
DATE PRINTED: 2/8/05 Revision Date: 04/15/04
OM-2205 Page 21
One of the byproducts of the combustion process in a gas appliance, is a mineral which can show up
as a white film on the ceramic glass of the viewing door. The composition of the deposit varies
widely from various locations and also from time to time in the same location. You may have the
problem for a time and then not see it for many months when it will reappear in your area. It seems
this is associated with the varying sulfur content of the gas. We have discussed this problem with
ceramic glass manufacturers and they cannot give us a definitive answer to this problem. Dealers
have tried various cleaning products with varying results. The following recommendations will not
guarantee results in your particular case.
1. Clean the glass regularly as soon as you notice the buildup (white film). If the film is left for a
longer period of time, build up will bake on. It is then much harder, if not impossible, to remove.
2. NEVER use an abrasive cleaner on the ceramic glass. Any abrasion of the surface has the
immediate effect of lessening the strength of the glass. An emulsion type cleaner is
recommended.
3. Use a soft damp cloth to apply the cleaner. Dry the glass with a soft, dry, preferably cotton cloth.
Most paper towels and synthetic materials are abrasive to ceramic glass and should be avoided.
4. Our dealers have had good results from the products listed below. We can not however
guarantee the results of these products.
a) BRASSO b) POLISH PLUS by KEL KEM
c) COOK TOP CLEAN CREME by ELCO d) WHITE OFF by RUTLAND
NOTE: This is a problem beyond Blaze King’s control and is
not covered under warranty.
IMPORTANT
-
WHITE MINERAL DEPOSITS
When using any gas appliance (LPG or NAT Gas) water is a byproduct of the combustion process. Under normal
conditions this moisture is expelled through the vent into the atmosphere and does not cause any harm. In extreme cold
weather however the vapor may condense and freeze on any exposed surface it comes into contact with. This can cause
a problem by restricting or blocking the vent, particularly with direct vent wall terminations as the exhaust is only a few
inches away from the outside wall surface
.
What happens to the moisture after it leaves the vent cannot be controlled by
the manufacturer. To extend the vent further out from the wall can sometimes but not always be an advantage. Extending
the vent out from the wall can present other design problems such as ice falling from the eaves above. It is the
homeowners responsibility to ensure that there is not an excessive build-up of ice on the termination.
CAUTION: WHEN OPERATING YOUR APPLIANCE DURING COLD WEATHER YOU MUST FREQUENTLY CHECK
THE EXHAUST CAP FOR EXCESSIVE ICE BUILD UP.
If the appliance begins to operate abnormally—Poor flame pattern, shutting down etc, this could be an indicator of ice build
up.
NOTICE: COLD WEATHER OPERATION
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