13.7.1
400,000 btu or less
When converting to propane or natural gas from another fuel
source of which the input of the burner is 400,000 btu or less, the following
requirements must be met:
1. The
conversion burner must be a listed conversion burner.
2. The installer must obtain written
verification from the manufacturer of the appliance to be converted or the
burner manufacturer that the appliance is capable of being used with gas as a
fuel source.
3. The burner
selection criteria included in ANSI Z21.8, and the appliance and/or burner
manufacturer's combustion setup instructions must be used.
4. If the appliance being converted is
designed to operate with a positive chamber pressure, the appliance
manufacturer or the conversion burner manufacturer must provide installation
and setup instructions specific to the appliance being converted.
5. The installation must conform to NFPA 54
and ANSI Z21.8, as incorporated by reference into NFPA 54.
13.7.2
Greater than 400,000 btu
When converting to propane and natural gas from another fuel
source of which the input of the burner is over 400,000 btu, the burner must be
listed by Underwriters' Laboratory or by an independent nationally recognized
testing laboratory and the following requirements must be met:
1. The installer must obtain written
verification from the manufacturer of the appliance to be converted or the
burner manufacturer that the appliance is capable of being used with gas as a
fuel.
2. The burner must be
selected for use in the make and model of appliance in which it is intended to
be installed and must meet one of the following conditions:
A. The burner manufacturer must provide
written documentation that the burner has been approved by the burner
manufacturer for use in the appliance intended to be converted;
B. The burner has been tested by an
independent testing laboratory in the make and model of appliance in which it
is intended to be installed and has been certified for use in such appliance by
the nationally recognized independent testing laboratory;
C. The burner has been tested by the
appliance manufacturer in the make and model appliance in which it is intended
to be installed and has been approved for use in such appliance by the
appliance manufacturer.
Cannot be used before the appliance and/or burner
manufacturer provides installation and combustion set-up instructions for the
appliance being converted.
3. The installation must conform to the
requirements of NFPA 54 and NFPA 211 for the installation of a gas appliance.
13.7.3
Oil Tank
Requirements Upon Conversion to an Alternative Fuel
The requirements of this Section must be performed by a
master or journeyman oil burner technician.
If an oil burning appliance is replaced with a gas fired
appliance, the fuel oil tank and burner supply piping must be removed from the
premises in accordance with NFPA 31.
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:
13.7.3.1 The
vent piping must remain intact and open to the outside of the
building;
13.7.3.2 The fill pipe
must be removed completely and the tank must be plugged with a threaded
malleable iron plug;
13.7.3.3 The
burner supply line must be removed and the valves on both the tank and burner
must be capped or plugged; and
13.7.3.4 If an underground oil supply line is
in use and complies with Section 8.9 of Chapter 8 of Board 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.
Oil can remain in the tank unless prohibited by the local
authority having jurisdiction or the Maine Department of Environment
Protection.
