HearthStone Quality Home Heating Products, Inc ®
61
WFP-75 Model 8411
Installation rules and advice
•
Do not connect the hot air ducts to a central heating system. The malfunction of
the heating system would overheat the fireplace.
•
Do not use insulated flexible ducts as they may overheat.
•
Do not use «T» fittings or anything other than those listed below.
•
The hot air outlets can be installed in the same room as the fireplace or it can be
installed in a room upstairs.
•
When forced air kit is installed in conjunction with a gravity kit, the forced air
device will draw some of the air from the gravity kit ducting, therefore reducing
its efficiency.
Clearances
•
There shall be a clearance of at least 12" (305 mm) between the hot air outlet
frame and a ceiling, side wall or mantle made of flammable material.
•
When the duct passes through a wall or floor made of flammable material, a
firestop radiation shield (same as the one used for a class A chimney) must be
installed in the opening of the wall or floor. There must be a clearance of at least
2" (50 mm) between the ducts and the firestop.
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