Hearthstone Montgomery WFP75 Wood Fireplace Installation Specs

Hearthstone Montgomery WFP75 Wood Fireplace

Hearthstone Montgomery WFP75 Framing Diagram

DIAGRAM #1: FRAMING THE ENCLOSURE
A: Opening Height, Floor to Header (minimum)........... 47-1/16"
B: Opening Width (minimum).......................................... 37-7/8"
C: Opening Depth (minimum).......................................... 27-1/4"
D: Floor to Bottom of Enclosure Ceiling Framing................. 84"
F: Floor to 8" Combustible Mantel (minimum)...................... 60"
G: Edge of Opening to Combustible Sidewall (minimum)..... 19"
H: Hearth (floor protection) Extension in Front of Opening... 18"
H(a): R Value of Non-Combustible Hearth Material........... 1.00
I:. Hearth (floor protection) Minimum Width................... 41-3/4"

DIAGRAM #2: FIREPLACE DIMENSIONS
J: Floor to Top of Header Standoffs....................... 47"
K: Front Height, Excluding Header Standoffs.. 37-1/4"
L: Front Width........................................................ 36"
M: Rear Width, Including Standoffs................. 37-3/4"
N: Fireplace Depth, Including Standoffs.......... 24-3/4"
Q: Front of Faceplate to Centerline Flue.......... 15-5/8"

DIAGRAM #3: CORNER INSTALLATIONS
R: Width of Cross-Corner Wall Framing.... 78"
S: Corner to Front of Wall Framing...... 55-1/8"

Montgomery WFP75 Dimension Drawing
DIAGRAM #4: LOCATION OF CHIMNEY COLLAR
AND TOP KNOCKOUTS FOR REMOTE DUCTS
Chimney pipe required......... Type ASHT, 6" ID, 8-1/4" OD
Chimney clearance to combustibles.................................. 2"
Minimum Chimney framing dimensions... 12-3/8" x 12-3/8"

Remote Ducting Options
DIAGRAM #5: OPTIONAL GRAVITY REMOTE DUCTING
Doublewall ducting needed for remote vent kit.... 8" ID, 9" OD
Duct Pipe clearance to combustibles...................................... 2"
Minimum height from floor to centerline of remote grill..... 68"
Maximum duct length (top of fireplace to remote grill)....... 10'

ELECTRICAL WIRING FOR BLOWERS
Electrical wiring (115 Volts) feeds through knockout on either side panel near the floor.
Wiring connects to a two-blower harness inside the convection chamber under the firebox.

The Montgomery WFP75 may be installed using any of the ASHT chimneys listed below:

List of approved chimney systems for the Montgomery

Click to View or Download the installation manual in pdf format

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The Chimney Sweep, Inc.
913 Harris Avenue
Bellingham, WA 98225-7032
1(888)-354-6722 toll-free in U.S. & Canada
1(360)-676-9080 FAX
http://www.chimneysweeponline.com

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ZERO CLEARANCE FIREPLACE INSTALLATION SPECS