Section 658-13-4 - Installations13.4.1Code Compliance Required Prior to Firing13.4.1.1 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.13.4.2Gas Piping IdentificationGas 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; or13.4.2.2 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.13.4.3Water Connections to Boilers and Water Heaters13.4.3.1Hot and Cold Water PipingA 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.
13.4.3.2State Plumbing RulesAll 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.
13.4.4Condensate from Fuel Fired Appliances1. 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.13.4.5Additional RequirementsWhen 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; and3. 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.13.4.6Vented Central Heating Appliance - Efficiency TestWhen 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.
13.4.7Unvented Heaters in Bedrooms or Bathrooms or HUD-Code Homes13.4.7.1 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.02-658 C.M.R. ch. 13, § 4