02-658 C.M.R. ch. 110, § 14 - CONVERSION BURNERS

Current through 2022-14, April 6, 2022

When an appliance is converted from a liquid or gaseous fuel to a solid fuel, the conversion burner must be listed by Underwriters' Laboratory or by an independent nationally recognized testing laboratory and must comply with all sections of this Chapter.

1. A conversion burner must be tested for use in the individual appliance in which it is intended to be installed and shall meet one of the following conditions:
A. The conversion burner has been tested by the burner manufacturer in the individual appliance in which it is intended to be installed and has been approved for use in such appliance by a licensed professional engineer with the proper disciplines;
B. The conversion burner has been tested by an independent testing laboratory in the individual appliance in which it is intended to be installed and has been certified for use in such appliance by the independent testing laboratory; or
C. The conversion burner has been tested by the appliance manufacturer in the individual appliance in which it is intended to be installed and has been approved for use in such appliance by the appliance manufacturer.

Such appliance manufacturer or licensed professional engineer must provide installation and combustion set-up instructions for the appliance.

2. A conversion burner may not be installed into direct vent appliances unless the conversion burner has been approved for use in the appliance by the manufacturer of the appliance.
3. A conversion burner may not be installed into power vented appliances unless the power venter is specifically approved for use with solid fuel.
4. When converting to solid fuel from another fuel source, the installation must comply with all applicable provisions of NFPA #211 and the Board's Rules.
5. Warm air furnace plenums and ductwork must comply with the applicable provisions of NFPA #90B for clearance from combustible materials.
6. When an oil tank is temporarily taken out of service for the purpose of using a solid fuel conversion burner, the following must be done:
A. The fill pipe to the tank must be completely removed and the fitting in the tank plugged liquid tight with a threaded plug;
B. The oil line to the boiler or furnace must be capped or plugged at both ends and the thermal valve must be capped or plugged at the tank; and
C. All vent lines must remain intact to the outside and remain open.
7. An interlock device shall be installed so that combustion will be arrested if the burner is removed from the heating appliance.
8. Furnaces shall have a 250 degree Fahrenheit limit control installed in the supply plenum not more than ten (10) inches above the top surface of the heat exchanger. The limit control shall extend at least twelve (12) inches into the supply plenum.

Notes

02-658 C.M.R. ch. 110, § 14

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