13
XXV Pellet Stove
This method can be done with or without a ue
liner. Without a liner, the damper area must be sealed
off with a steel plate. Kaowool, mineral wool or an
equivalent non-combustible insulation is recommend-
ed on top of the steel plate to minimize condensation.
In this method a cap should also be installed on the
chimney to keep out rain.
Some places in the US and Canada require that
the vent pipe extend all the way to the top of the
chimney. Per ULC S628.
Be sure to use approved pellet vent pipe ttings.
Seal pipe joints with silicone or aluminum tape in
addition to the sealing system used by the manu-
facturer. Pipe size should be increased to 4" using
this method.
This method provides excellent venting for normal
operation. This method also provides natural draft
in the event of a power failure.
In this method a 4 inch liner is installed the entire
length of the ue. Whether using a rigid or exible
liner, a cap should be installed on the chimney to
keep out rain.
Fig. 14
Fig. 15
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