CSA ANSI Z21.76a-1996 (R2012)

1.1

Scope

1.1.1

This standard applies to newly produced unvented catalytic room heaters (see Part IV, Definitions), hereinafter referre d to as heaters, constructed entirely of new, unused parts and materials, having input ratings up to and including 40,000 Btu per hour (11 723 W) for use with liquefied petroleum (LP) gases, except:

(a) Heaters suitable for installation in bedrooms shall have input ratings of 10,000 Btu (2 931 W) per hour or less; and

(b) Heaters suitable for installation in bathrooms shall have input ratings of 6,000 Btu per hour (1 758 W) or less.

Unvented catalytic room heaters for installation in bedrooms or bathrooms shall be wall-mounted.

The construction of unvented catalytic room heaters for use with LP gases is covered under Part I.

The performance of unvented catalytic room heaters for use with LP gase s is covered under Part II.