User's Information Manual - Weil-McLain

GAS-FIRED WATER BOILER SERIES 2 — User’s Information ManualPrevent combustion air contaminationIf the boiler combustion air inlet is located in any arealikely to cause contamination, or if products whichwould contaminate the air cannot be removed, youmust have the combustion air and vent repipedand terminated to another location. Contaminatedcombustion air will damage the boiler, resulting inpossible severe personal injury, death or substantialproperty damage.Do not operate an Ultra boiler if its combustionair inlet is located in a laundry room or pool facility,for example. These areas will always contain hazardouscontaminants.Pool and laundry products and common householdand hobby products often contain fluorine or chlorinecompounds. When these chemicals pass through theboiler, they can form strong acids. The acid can eatthrough the boiler wall, causing serious damage andpresenting a possible threat of flue gas spillage or boilerwater leakage into the building.Please read the information listed below. Ifcontaminating chemicals will be present near thelocation of the boiler combustion air inlet, have yourinstaller pipe the boiler combustion air and vent toanother location, per the Boiler manual.4Part number 550-100-027/0404