Monessen Hearth Series User Manual

For use with a listed gas-fired
unvented decorative room heater
not to exceed 40,000 BTU/hr. Do
Not Build a Wood Fire.

READ AND SAVE THESE INSTRUCTIONS

WARNINGS

If the information in this manual is not followed exactly,
a fi re or explosion may result causing property damage,
personal injury or loss of life.

– Do not store or use gasoline or other fl ammable

vapors and liquids in the vicinity of this or any other
appliance.

– WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any

phone in your building.

• Immediately call your gas supplier from a neighbor's

phone. Follow the gas supplier's instructions.

• If you cannot reach your gas supplier, call the fi re

department.

– Installation and service must be performed by

a qualified installer, service agency or the gas
supplier.

MODELS:

Universal Vent-Free Firebox

GCUF and GRUF Series

UNVENTED VENT-
FREE FIREBOXES

INSTALLATION AND

OPERATING INSTRUCTIONS

Carefully review the instructions
supplied with the decorative type
unvented room heater for the mini-
mum fi replace size requirement.

DO NOT INSTALL AN APPLIANCE
IN THIS FIREBOX UNLESS THIS
FIREBOX MEETS THE MINIMUM
DIMENSIONS REQUIRED FOR
THE INSTALLATION.

WARNINGS

If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.

– Do not store or use gasoline or other fl ammable

vapors and liquids in the vicinity of this or any
other appliance.

– WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use

any phone in your building.

• Immediately call your gas supplier from a

neighbor's phone. Follow the gas supplier's
instructions.

• If you cannot reach your gas supplier, call the

fi re department.

– Installation and service must be performed by

a qualifi ed installer, service agency or the gas
supplier.

WARNINGS