NATURAL GAS
INPUT: 20,000 BTU/hr, (4.69KW) ORIFICE #45 DMS
PROPANE
INPUT: 20,000 BTU/hr, (4.98KW) ORIFICE #55 DMS
WARNING: For installation only in a solid fuel burning fireplace with a working flue and
constructed of a non-combustible material using a chimney liner kit.
CONVERSION OF ZERO CLEARANCE FACTORY BUILT FIREPLACES:
The following instructions cover Sherwood Industries Ltd. policy for Gas-Fired Appliances (inserts) to be
retro-fitted into existing factory built fireplaces with replacement parts removed.
GENERAL REQUIREMENTS:
Background:
A gas-fired insert is approved for use in an existing masonry or listed factory-built fireplaces without any
alterations. If the factory or masonry fireplace is altered its warranty is void.
Recent practice in the field is to remove parts that do not require cutting, bending or breaking from the
factory built fireplace in order to allow the insert to fit.
Sherwood Industries Ltd. Policy:
Intretek has approved listed factory-built fireplaces as a certified zero clearance kit, provided that the
following conditions have been met:
1. The removal of any part will not weaken the stuctural integrity of the factory-built fireplace.
2. The factory-built fireplace is in good condition.
3. There are no alterations in the form of cutting, bending, or breaking any parts.
4. Firebricks may be removed.
5. A permanent label must be supplied with the insert, with instructions to affix it to the firebox of the
factory-built fireplace. It will have wording to the effect:
WARNING - THIS FIREPLACE MUST ONLY BE OPERATED WITH A GAS INSERT ONLY -
REMOVAL OF THE INSERT AND THE USE OF SOLID FUEL IS PROHIBITED AND
MAY CAUSE A FIRE HAZARD.
REPLACEMENT PARTS INCLUDE:
Fire bricks, smoke shield, flue damper, glass doors, and firescreens.
Codes And Approvals
5