Statutes, codes, and regulations
Maine Administrative Code
Department 02 - DEPARTMENT OF PROFESSIONAL AND FINANCIAL REGULATIONDivision 385 - MANUFACTURED HOUSING BOARDChapter 890 - MANUFACTURED HOME INSTALLATION STANDARDS
Subchapter G - DUCTWORK AND PLUMBING AND FUEL SUPPLY SYSTEMS
Section 385-890-G-III - Water Supply

02-385-890 Me. Code R. § G-III

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Current through 2024-51, December 18, 2024
Section 385-890-G-III - Water Supply
A.Crossover

Multi-section homes with plumbing in both sections require water-line crossover connections to join all sections of the home.The crossover design requirements are located in, and must be designed in accordance with part 3280.609.

B.Maximum Supply Pressure and Reduction

When the local water supply pressure exceeds 80 psi to the manufactured home, a pressure-reducing valve must be installed.

C.Mandatory Shutoff Valve
1. An identified and accessible shutoff valve must be installed between the water supply and the inlet.
2. The water riser for the shutoff value connection must be located underneath the home.
3. The shutoff valve must be a full-flow gate or ball valve, or equivalent valve.
4. Water riser pipes shall be a minimum 3/4 in. nominal diameter and extend a minimum of 6 in. above ground elevation.Surface water shall be diverted from the riser.
D.Wells as a Source of Supply

A well shall not be located within the boundaries of a manufactured home pad.

E.Freezing Protection

Water line crossovers completed during installation must be protected from freezing. The freeze protection design requirements are located in, and must be designed in accordance with the requirements of part 3280.603.

1. If subject to freezing temperatures, the water connection must be wrapped with insulation or otherwise protected to prevent freezing.
2. In areas subject to freezing or subfreezing temperatures, exposed sections of water supply piping, shutoff valves, pressure reducers, and pipes in water heater compartments must be insulated or otherwise protected from freezing.
3.Use of pipe heating cable

Only pipe heating cable listed for manufactured home use is permitted to be used, and it must be installed in accordance with the cable manufacturer installation instructions.

F.Testing Procedures
1. The water system must be inspected and tested for leaks after completion at the site.The installation instructions must provide testing requirements that are consistent with part 3280.612.
2. The water heater must be disconnected when using an air-only test.

02-385 C.M.R. ch. 890, § G-III