Code of Maine Rules
02 - DEPARTMENT OF PROFESSIONAL AND FINANCIAL REGULATION
658 - MAINE FUEL BOARD
Chapter 9 - INSTALLATION OF SOLID FUEL BURNING EQUIPMENT
Section 658-9-14 - Conversion Burners

Universal Citation: 02 ME Code Rules ยง 658-9-14

Current through 2024-13, March 27, 2024

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.

9.14.1 Testing in Individual Appliance Required

A conversion burner must be tested for use in the individual appliance in which it is intended to be installed and must meet one of the following conditions:

1. 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;

2. 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

3. 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.

9.14.2 Installation into Direct Vent Appliances

A conversion burner shall 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.

9.14.3 Installation into Power Vented Appliances

A conversion burner shall not be installed into power vented appliances unless the power venter is specifically approved for use with solid fuel.

9.14.4 Conversion From Another Fuel Source

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.

9.14.5 Clearance From Combustible Materials Required

Warm air furnace plenums and ductwork must comply with the applicable provisions of NFPA 90B for clearance from combustible materials.

9.14.6 Oil Tank Requirements upon Conversion to Solid Fuel

9.14.6.1 If an oil burning appliance is converted to an alternative fuel, but the tank is left in place so that it can be returned to service at some future date, all of the following requirements must be met before the alternative fuel is used:
9.14.6.1.1 The vent piping must remain intact and open to the outside of the building;

9.14.6.1.2 The fill pipe must be removed completely and the tank must be plugged with a threaded malleable iron plug;

9.14.6.1.3 The burner supply line must be removed and the valves on both the tank and burner must be capped or plugged;

9.14.6.2 If an underground oil supply line is in use and complies with Section 8.8 of these rules, it may remain in place provided that all of the following conditions are met:
1. The oil line is emptied of its contents;

2. The oil line is disconnected from the oil tank and burner; and

3. The oil line is plugged on both ends in addition to the burner and tank fittings being plugged.

9.14.6.3 Oil can remain in the tank unless prohibited by the local authority having jurisdiction or the Department of Environment Protection.

9.14.6.4 The requirements of this section must be performed by a master or journeyman Oil Burner Technician.

9.14.7 Interlock Device Required

An interlock device must be installed so that combustion will be arrested if the burner is removed from the heating appliance.

9.14.8 Limited Control Required

Furnaces must have a 250 degree Fahrenheit limit control installed in the supply plenum not more than 10" above the top surface of the heat exchanger. The limit control shall extend at least 12" into the supply plenum.

Disclaimer: These regulations may not be the most recent version. Maine may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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