England's Stove Works 25-EP Installation & Operation Manual page 21

FIREPLACE INSERT INSTALLATION
Additional Venting Information
 The installation of a fireplace insert can be challenging and requires
knowledge of chimney systems that the average homeowner does not have.
Due to this, England's Stove Works highly recommends having this insert
professionally installed.
 However, if this installation is performed by the homeowner, follow the
guidelines listed below:
 Do not mix and match components from different pipe manufacturers when
assembling your venting system (i.e. Do NOT use venting pipe from one
manufacturer and a termination cap from another).
 A FULL chimney relining is required when installing this stove as an insert.
o For chimneys 15 ft. or shorter, 3 in. pellet liner may be used.
o For chimneys 15 ft. or taller, 4 in. pellet liner must be used.
 For high altitude installations (altitudes greater than 4000 ft.), this insert
must be used with 4" pellet liner only. Using 3" liner will restrict air flow to
the unit at high altitudes and result in poor performance and a dirty burn.
 Outside combustion air must be connected, either by running the outside air
duct down through the ash clean-out of the fireplace, OR by running the
outside air duct to the top of the chimney. More information pertaining to
correct outside air installation can be found in the "Outside Air" section,
page 23.
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