An automatic flue damper is an energy-saving device that closes off or restricts an appliance flue when the appliance
is not operating and is in its “off” cycle. It traps residual heat in the heat exchanger after the burners shut off,
and prevents the escape of conditioned air up the vent pipe.
read more
Chimneys should extend at least 2 feet higher than any portion of a building within 10 feet, but not less than 3 feet
above the highest point where the chimney passes through the roof. This is known a the 3-2-10 Rule for Chimneys.
read more
Flexible (semi-rigid) appliance fuel connectors are typically used with cooking ranges and clothes dryers where the
gas connection is located behind the appliance. Some degree of flexibility is needed to facilitate the hook-up of
the appliance. Flexible connectors are usually made of stainless steel. They should be labeled with tags of metal
rings placed over the tubing.
read more
Each piece of equipment and appliance should be provided with a shut-off valve which is separate from the appliance
to permit maintenance, repair, replacement and temporary disconnection. The shut-off valve should be adjacent to the
appliance, no farther away than 6 feet, conspicuously located, and within reach.
read more
Most fuel-gas appliance manufacturers require the installation of a sediment trap. Sediment traps prevent debris from
entering the gas controls and causing hazardous malfunctions.
read more
Tanks should be listed and labeled, and conform to standards for underground and above-ground tanks. The maximum
amount of fuel oil stored above ground or inside a dwelling should be 660 gallons (2,498 L). The cross-connection of
two tanks is permitted if the total aggregate capacity does not exceed 660 gallons. Gravity flow from one tank to
another is permitted, provided that the two tanks are on the same horizontal plane. 14.1.1 Inside and
Outside
read more