Intertherm M1B Series - Page 4

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Additional information listed below is for reference purposes only
and does not necessarily have jurisdiction over local or state
codes. Always consult with local authorities before installing
any gas appliance.
Combustion & Ventilation Air
• US:NationalFuelGasCode(NFGC),AirforCombustionand
Ventilation
• CANADA: Natural Gas and Propane Installation Codes
(NSCNGPIC), Venting Systems and Air Supply for Appliances

• USandCANADA:AirConditioningContractorsAssociation
(ACCA) Manual D, Sheet Metal and Air Conditioning
Contractors National Association (SMACNA), or American
Society of Heating, Refrigeration, and Air Conditioning
Engineers (ASHRAE) Fundamentals Handbook

• US:NationalElectricalCode(NEC)ANSI/NFPA70
• CANADA:CanadianElectricalCodeCSAC22.1

• US:NFGCandNationalPlumbingCodes
• CANADA:NSCNGPIC
General Installation
• US: Current edition of theNFGC and the NFPA 90B. For
copies, contact the National Fire Protection Association Inc.,
Batterymarch Park, Quincy, MA 02269; or American Gas
Association, 400 N. Capitol, N.W., Washington DC 20001 or
www.NFPA.org
• CANADA:NSCNGPIC.Foracopy,contactStandardSales,
CSA International, 178 Rexdale Boulevard, Etobicoke
(Toronto), Ontario, M9W 1R3 Canada

• US:(NFGC)NFPA54–1999/ANSIZ223.1andtheInstallation
Standards, Warm Air Heating and Air Conditioning Systems
ANSI/NFPA 90B.
• FederalManufacturedHomeConstructions&SafetyStandard
(H.U.D. Title 24, Part 3280.707[a][2])
• The Standard for Manufactured Home Installations
(Manufactured Home Sites, Communities, and Set-Ups) ANSI
A225.1 and/or CAN/CSA-2240 MH Series).
• American National Standard (ANSI-119.2/NFPA-501C) for
all recreational vehicle installations.
• CANADA:CAN/CGA-B149.1and.2–M00NationalStandard
of Canada. (NSCNGPIC)
• The Commonwealth of Massachusetts requires
compliance with regulation 248 CMR 4.00 and 5.00 for
installationofthrough–the–wallventedgasappliances
as follows:
1. For direct-vent appliances, mechanical-vent heating
appliances or domestic hot water equipment, where the
bottom of the vent terminal and the air intake is installed
below four feet above grade the following requirements
must be satisfied:
a.) A carbon monoxide (CO) detector and alarm shall be
placedoneachoorlevelwheretherearebedrooms.
The detector shall comply with NFPA 720 (2005
Edition) and be mounted in the living area outside
the bedroom(s).
b.) A (CO) detector shall be located in the room that
houses the appliance or equipment and shall:
•Bepoweredbythesameelectricalcircuitasthe
appliance or equipment. Only one service switch
shall power the appliance and the (CO) detector;
•Havebatteryback-uppower;
•MeetANSI/UL2034Standardsandcomplywith
NFPA 720 (2005 Edition); and Approved and listed
by a Nationally Recognized Testing Laboratory as
recognized under 527 CMR.
c.) A Product-approved vent terminal must be used, and
if applicable, a product-approved air intake must be
used. Installation shall be in strict compliance with the
manufacturer’sinstructions.Acopyoftheinstallation
instructions shall remain with the appliance or
equipment at the completion of the installation.
d.) A metal or plastic identification plate shall be mounted
at the exterior of the building, 4 feet directly above
the location of vent terminal. The plate shall be of
sufficient size, easily read from a distance of eight
feet away, and read “Gas Vent Directly Below”.
2. For direct-vent appliances, mechanical vent heating
appliances or domestic hot water equipment where the
bottom of the vent terminal and the air intake is installed
above four feet above grade the following requirements
must be satisfied:
a.) A (CO) detector and alarm shall be placed on each
oorlevelwheretherearebedrooms.Thedetector
shall comply with NFPA 720 (2005 Edition) and be
mounted in the living area outside the bedroom(s).
b.) The (CO) detector shall:
•Belocatedintheroomthathousestheapplianceor
equipment;
•Behard-wired,batterypoweredorboth.
•ShallcomplywithNFPA720(2005Edition).
c.) A product-approved vent terminal must be used, and
if applicable, a product-approved air intake must be
used. Installation shall be in strict compliance with the
manufacturer’sinstructions.Acopyoftheinstallation
instructions shall remain with the appliance or
equipment at the completion of the installation.