Code of Maine Rules
02 - DEPARTMENT OF PROFESSIONAL AND FINANCIAL REGULATION
658 - MAINE FUEL BOARD
Chapter 109 - INSTALLATION OF OIL BURNING EQUIPMENT
Section 658-109-19 - Safety and Pressure Relief Valves

Current through 2024-13, March 27, 2024

Steam and hot water boilers shall be equipped with listed or approved steam safety or pressure relief valves of appropriate discharge capacity and conforming with ASME requirements (ASME Boiler & Pressure Vessel Code, Section IV, Heating Boilers). A shut-off valve shall not be placed between the relief valve and the boiler or on discharge pipes between such valves and the atmosphere.

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