All models are approved for non-direct (1 pipe) and direct (2 pipe) venting applications. See vent table below for specified sizes and allowable lengths.
PREMATURE HEAT EXCHANGER FAILURES
life is chlorinated substances being stored, sprayed, or used in the area around heating equipment. The vapors from the chlori- the compound and mixes with water vapors created by the combustion process to form hydrochloric acid. The acid collects on heat exchanger failure is a certainty.
- list. The labels on the products must indicate chlorinated ingredients as they are hazardous substances.