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PVH58 VENTING CONFIGURATIONS

MAX 3ft Below Unit

MIN Venting= 3ft

plus one 90° elbow

with Air Intake

Shutter fully open

MAX Venting = 125ft

plus six 90° elbows

PVH-58

Maximum / Minimum Vent Lengths:

Maximum Vent Length is 125 ft plus six 90° elbows with Air Intake

Shutter fully closed. Termination must not be below unit.

This power vent can be installed up to 3ft below the installed fireplace

on runs less than 100ft and not more than four 90° elbows.

Minimum Vent Length is 3ft plus one 90° elbow with Air Intake Shutter

fully open.

 Refer to fireplace manual (51MQ-MAN or 51MQ-MAN-II) for proper

installation of your fireplace.

 Minimum clearance to combustibles on venting is 1” unless otherwise stated

in manual.

 After 30ft of venting, clearance to combustibles is 1”.

MINIMUM VERTICAL RISE BEFORE FIRST 90° ELBLOW

(Measured from bottom of appliance to center of vent pipe)

MQRB4436 37-1/2"

MQRB5143 51-1/2”

MQRB6961 56-1/2”

Seven 90° elbows are possible if

the total horizontal is not more than

25ft and the vertical does not

exceed 15ft.

Refer to Air Intake Adjustment

section of this manual to adjust Air

Intake Shutter.

NOTE: MODELS EQUIPPPED WITH

MILLIVOLT/ STANDING PILOT

IGNITION:

Downward vertical vent runs are NOT

permitted.

NOTE: MODELS EQUIPPPED WITH

INTERMITTENT PILOT IGNITION:

Downward vertical vent runs are

permitted, however, Cold Climate Switch

(Standing Pilot Mode) must not be used.