Osburn 1800 User Manual

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2.2 Installation instructions
Inspect the masonry fireplace according to the safety information and fireplace requirements and have it
cleaned and/or upgraded as necessary.
2.3 Compliance of the masonry fireplace
Where the masonry fireplace opening is 6 ft
2
(0.56 m
2
) or larger, the hearth extension shall extend at least
20'' (508 mm) in front of the facing material and at least 12'' (305 mm) beyond each side of the fireplace
opening. Where the masonry fireplace opening is less than 6 ft
2
(0.56 m
2
), the hearth extension shall extend
at least 16'' (406 mm) in front of the facing material and at least 8'' (203 mm) beyond each side of the
fireplace opening.
Note that if you must modify the hearth extension to comply with these measures, depending on the size of
the masonry fireplace opening, the hearth extension must have a minimum of
4'' (102 mm ) thick (see Figure 2.6a and 2.6b.)

Osburn 1800 Specifications

General

Brand	Osburn
Model	1800
Category	Wood stove
Language	English