FB Can somebody tell me the purpose of a catalytic air pump on a prochem performer.. What what is it

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Stacey Ristow

It adds air to the catalytic converter to produce much hotter flame, in turn producing a lot more heat in cleaning. Without it you’ll have less cleaning temps and your catalytic will eventually plug up. Not to mention more emissions in the exhaust.
 
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Edward R. Hobbs

Stacey is right & unfortunately the air pump seems to be one of the weakest links in this machine. without it heat is very mediocre but they never seem to last more than a year or 2.