Weil-McLain 105 Boiler User Manual


 
Part number 550-101-235/0903
3
GAS-FIRED WATER BOILER — Vent Supplement
Vent and air piping materials
Use only the materials listed in the table below for vent and air pipe and fittings. Failure to comply could
result in severe personal injury, death or substantial property damage.
1
Installation must comply with local requirements and with the National Fuel Gas Code, ANSI Z223.1
for U.S. installations or CSA B149.1 or B149.2 for Canadian installations.