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Heatwave kit (not epa approved), Minimum framing clearances, Installation – Regency FP90 User Manual

Page 32: Minimum duct clearances

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FPI FP90 Wood Fireplace

32

HEA

TW

A

VE KIT

HEATWAVE KIT (NOT EPA APPROVED)

MINIMUM FRAMING

CLEARANCES

* Wall studs must be 16" on center for
mounting fan housing.

* Fan Housing: Maintain a 1/4" (6mm)
clearance from fan housing to combustible
material.

* Wall Registers must be 4"(102mm) from
fl oor above or ceiling below.

Minimum Duct Clearances

The air duct has a '0' clearance to
combustible. The fi rst 60" of pipe from
the unit must be covered with insulation.
(Insulation included with kit.)

2) Remove the knock-out and bend the tabs

outward.

INSTALLATION

NOTE: Installation of Heat Wave duct kit should
be done prior to drywall installation.

A) R90 / EX90 Models:

1) Remove the cover plate from the fi replace

side and discard.

Remove the 2 screws holding the cover plate

on the fi replace side.

NOTE: This must be done prior to placing
fi replace into fi nal position.

Center Round Duct
collar over hole and
attach to the tabs
using 3 screws

B) All Models:

1) Determine the location of the air register/fan

housing assembly. Cut a 5" x 16" (121mm
x 406mm) hole between framing members
(wall studs or fl oor joists). Maintain a
1/4" (6mm) clearance from fan housing
to combustible material. See Framing
Clearances section.

2) Mount and secure the fan housing assembly

to framing members, the front of the fan
housing will protrude 1/2" (51mm) out of
the wall so it may be fi nished with drywall,
etc. See diagram 2 below.

Diagram 2: Side View - Secure fan housing

to minimum 2 x 4 framing.

Diagram 1:

Front View

3) Install the air duct run. Secure the duct to the

duct collar on the unit and to the fan housing
with 3 screws (per end) and aluminum duct
tape (UL 181A-P or equivalent).

The fi rst 60" of duct pipe (from the unit)
must be covered with insulation.

Round Air Duct: Attach the 6" round air
duct (supplied) to the fireplace collar and
run the duct to the fan housing. Attach the
round-to-oval adaptor to the fan housing
and the air duct to the adaptor.