CSA 2.17-M91 (R2014)

1.1 Scope 1.
1.1 This Standard covers the construction, and performance , (See Part III, DEFINITIONS) for gas-fired appliances with inputs up to and including 400 000 Btuh (117.23 kW) to determine their suitability for use at high altitude. The appliances include furnaces, boilers, room heaters, unit heaters, water hea