13.4.1
Code Compliance Required Prior
to Firing
13.4.1.1 Whenever a propane
or natural gas appliance and/or system is installed, the total installation
must be brought into compliance with the requirements of NFPA 54, NFPA 58 and
all other rules of the Board BEFORE the furnace, direct-fired
water heater, or boiler is fired. Prior to leaving the installation (whether
installed inside or outside any structure) unsupervised, the licensed propane
and natural gas technician must observe, inspect, and test the equipment to
ensure that the installation is operating safely and properly and meets all
applicable rules of the Board.
13.4.1.2 Installations of propane and natural
gas appliances and/or systems must also comply with all other applicable
statutes or rules of the State and all applicable ordinances, orders, rules,
and regulations of local municipalities.
13.4.2
Gas Piping Identification
Gas piping systems installed with 1/2 inch ID or larger pipe,
excluding CSST, shall be permanently identified by utilizing one of the
following methods:
13.4.2.1 With a
sticker having a yellow background with black lettering identifying the pipe as
containing "flammable gas." When used, stickers shall be placed at least every
eight (8) feet along the length of the piping branch, not less than once per
room and must be visible from floor level; or
13.4.2.2 A continuous stripe of yellow paint
or manufacturer provided yellow covering may be utilized. The paint or covering
must be continuous along the entire length of piping and must be visible from
floor level.
13.4.3
Water Connections to Boilers and Water Heaters
13.4.3.1
Hot and Cold Water
Piping
A propane and natural gas technician with the appliance
connection and service authority may connect hot and cold water piping from a
boiler or gas fired water heater to existing piping only in the same room where
the installation is taking place. Such connections may not be made beyond any
existing branch connection supplying water, in accordance with Maine Revised
Statutes, Title 32, Section3302.
13.4.3.2
State Plumbing
Rules
All piping and safety controls on domestic water heaters,
domestic water connections to boilers and water heaters, and condensate
disposal from condensing gas fired appliances must be made in accordance with
the rules of the Plumbers' Examining Board as established by
Title 5,
section 12004-A, subsection
32 of the Maine Revised
Statutes.
13.4.4
Condensate from
Fuel Fired Appliances
1. An approved
neutralizer shall be installed in the condensate drain system of all fuel fired
condensing appliances, so the condensate is rendered innocuous.
2. Condensate from fuel fired appliances
shall be drained into an existing open receptor through an air gap that is
connected to a sanitary drainage system in accordance with the rules of the
Maine Plumbers' Examining Board as established by
Title 5,
section12004-A, subsection
32 of the Maine Revised
Statutes.
3. If there is no
existing open receptor, connection to a sanitary drainage system must be done
by a Maine licensed master or journeyman plumber utilizing a permit in
accordance with the rules of the Maine Plumbers' Examining Board, as
established by
Title 5,
section 12004-A, subsection
32 of the Maine Revised
Statutes.
4. Condensate shall not
be disposed of by routing through a floor and into a perimeter drain system or
underneath a slab.
5. When the
installation requires a condensate pump, the condensate pump must be installed
in accordance with the manufacturer's instructions. The condensate pump
discharge shall rise vertically to a point where it is possible to discharge to
an open receptor connected to the sanitary drainage system.
6. Where an installation requires a
condensate pump, the condensate pump must be interlocked with the appliance to
prevent to appliance from operating during a condensate pump failure.
7. Each fuel fired condensing appliance
requiring a condensate pump shall be provided with its own individual
condensate pump.
13.4.5
Additional Requirements
When an appliance other than a furnace, direct-fired water
heater, or boiler is installed, the following must be done:
1. The entire gas piping system must be
brought into compliance with the requirements of NFPA 54 and all other rules of
the Board;
2. All appliances which
are designed to be vented, including existing appliances, must be vented in
accordance with NFPA 54; and
3. Any
existing code violations must be reported to the owner in writing, a copy of
which must be retained by the installer such that it may be produced for
inspection upon request of a Board inspector.
13.4.6
Vented Central Heating Appliance
- Efficiency Test
When installing a vented central heating appliance, the
installer must conduct a combustion efficiency test, unless prohibited by the
manufacturer, and must post a copy of the test results
on-site.
13.4.7
Unvented Heaters in Bedrooms or Bathrooms or HUD-Code Homes
13.4.7.1 The use of unvented heaters in
bedrooms and bathrooms is prohibited.
13.4.7.2 The use of unvented heaters, in
HUD-Code homes (Manufactured Housing) as defined in Maine Revised Statutes,
Title 10, Section 9002(7)(A), is prohibited.
