United States Stove Company HOTBLAST 1950 - Manual (Page 7)

3.3 PIPE CONNECTOR AND DAMPER
Before proceeding to connection, remove all accessories such as
scraper, shovel and poker from the evacuation pipe of the furnace.
A 7” diameter chimney listed for use with wood burning heating appliances is highly recommended for the
Hotblast 1950. In this case, a reducer from 7” to 6” is required. If draft exceed –0.06 in. W.C a barometric damper
should be installed on the smoke pipe. Never install a manual damper.
REDUCER
DIAMETER 7 "
For a proper installation, follow the advices below:
1. All the joints of the evacuation pipe must be secured, using three screws.
Make sure that each screw goes through the inner walls of both connectors (male and female). See
pictures below showing a male-female coupling.
PROPER INSTALLATION IMPROPER INSTALLATION
CAUSE RESTRICTION
2. A minimum rise of 1/4 inch per horizontal foot must be respected.
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