Harman® • P42i Pellet Insert Installation Manual • 2023 -___ • 08/2313 8742-901D
Installing the P42i Pellet Insert into an existing
factory built wood burning replace
When installing the P42i-TC Pellet Insert into a factory
built wood burning replace, the Manufactured Fireplace
Installation Kit #1-00-574205 must be used. In addition,
several things need to be taken into consideration.
The size of thereplace opening. Willtheunit t intothe
opening? Many of these units have metal smoke shields
insidethetopthatcanberemovedtogainheight.Oftenthe
side and rear refractory can be removed to gain depth and
width.Insomecircumstances,thefrontlowerliporgrillwork
may also be removed. Be sure and follow the guidelines in
the kit instructions. Floor protection guidelines, as listed on
Figure 3.2 must also be followed.
Thefactorybuiltchimneymust belistedperUL127(US)
andmeettypeHTrequirementsofUL103(US).Factory
BuiltreplacechimneystestedtoUL127-98maybe,atthe
replacemanufacturersoption,testedtothesamecriteria
asUL103HTrequirements.Ifthechimneyisnotlistedas
meetingHTrequirements,orifthefactorybuiltreplacewas
tested prior to 1998, a full height listed chimney liner must be
installedfromtheapplianceuecollartothechimneytop.
Liner must meet high temperature (2100° F) per UL1777
(US).Thelinermustbesecurelyattachedtoboththeue
collar and the chimney cap. To prevent room air passage to
thechimney cavity of thereplace,sealthe damper area
aroundthechimneylinerwithberglassbatting.
Note: If the Harman® P42i Pellet Insert is installed into
a factory built wood burning replace, the label (Part
#160-1246) to the right MUST be attached to the altered
replace. This label is included in the Manufactured
replace installation kit.
Additionally, the rebox oor of the Zero Clearance
Wood Fireplace may be removed down to the outer
metal shell of the replace if kit 1-00-574305 is used. The
kit includes installation instructions and all materials
needed to remove the rebox oor and still maintain
a safe, compliant installation. Be certain to contact
local code enforcement ocials before beginning any
modications, as they may not be reversible in many
cases.
Figure 4.5
OPTIONAL HOPPER CONFIGURATIONS FOR SMALLER FIREPLACE
OPENINGS:
The Harman® P42i-TC Pellet Insert can be factory built with shorter hopper
congurations.
Thestandardrequiresa24"opening.Part#1-90-584240
Option1:Requiresa20"openingheight.Part#1-90-584200
Keep in mind the hopper capacities will decrease with the optional heights.
20"
24"
IN CANADA: This replace insert must be installed with a continuous
chimney liner of a minimum 4" diameter extending from the insert to
the top of the chimney. The chimney liner must conform to the Class 3
requirementsofCAN/ULC-S635,StandardforLiningSystemsforExisting
Masonry or Factory Built Chimneys and Vents, or CAN/ULC-S640,
StandardforLiningSystemsforNewMasonryChimneys.
THIS FIREPLACE HAS BEEN ALTERED
TO ACCOMMODATE AN INSERT
AND SHOULD BE INSPECTED BY A
QUALIFIED PERSON PRIOR TO RE-USE
AS A CONVENTIONAL FIREPLACE.
CE FOYER À ÉTÉ MODIFIÉ AFIN D'ÊTRE
UTILISÉ AVEC UNE UNITÉ
ENCASTRABLE ET DEVRAIT ÊTRE
INSPECTÉ PAR UNE PERSONNE
QUALIFIÉE AVANT D'ÊTRE RÉUTILISÉ
COMME UN FOYER CONVENTIONNEL.
160-1246B