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A. USING AN EXISTING CHIMNEY
• Measure the height of the chimney beforehand and purchase the
appropriate kit. Never attempt to over stretch a flexible liner to
accommodate the height of the chimney.
• Any flue damper must be removed or locked permanently in the
open position.
• The chimney must be clean, in good working order and constructed
out of non-combustible materials.
• Make sure that all chimney clean-outs are tightly fitting and will not
permit air to leak into the chimney.
• Make all gas connections and check for leaks.
See vent manufacturer's instructions for vent system clearances to
combustibles and vent terminal clearance from roof.
MANUFACTURERS GENERAL VENTING
GUIDELINES
This information is compiled by the manufacturer as a very general rule for
single appliance venting of the EG 28 gas stove with 4" Type B gas vent.
Venting code and regulations may vary from area to area, please check with
the local, state/provincial codes regarding the suitability of your application.
For other special venting requirements, please refer to the local, state/provincial or national codes.
For best venting performance, we recommend total vent height of 10
ft (3m) to 30 ft (9m). Total horizontal length depends on the number
of elbows used. The venting
Should never slope down. 1/4" rise per 2' horizontal is
recommended.
If practical, it is best to locate the appliance to permit the use of
shorter horizontals and fewer elbows.
-Two 90° elbow, maximum total horizontal length of 20 ft (6m).
-Three 90° elbow, maximum total horizontal length of 13 ft (3.8m).
-Four 90° elbow, maximum total horizontal length of 6 ft (1.9m).
-Five 90° elbow, maximum total horizontal length of 0 ft (0m).
If 45° elbows are used, one 90° elbow is equivalent to two 45°
elbows.
Venting rise should be a minimum of 1 ft (.31m). from the top of the
unit before any horizontal run.
The bottom of the vent cap shall extend at least 2 ft. (.6m) above the
highest point of the roof where it passes through and at least 2 ft
(.6m) higher than any portion of the roof within a horizontal distance
of 10 ft. (3m).
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