Section 144-232-8-802.0 - NON-SUBMERSIBLE PUMPS802.1Pump type and size: Size and install pump to at least the minimum of the Manufacturer's recommendations.802.2Check valves: A non-submersible pump installed on a driven point shall have a minimum of one (1) check valve installed on the suction line. All check valves shall be accessible for service but shall not be direct buried.802.3Foot valves: One (1) foot valve shall be installed at the end of the suction line for a non-submersible pump with the exception of a driven point.802.4Minimum pressure: Any non-submersible pump with the capacity to develop more than 75 psig shall have a relief valve. A shutoff valve shall not be installed between the pump and the relief valve. The installation of a relief valve shall conform to a minimum of the current State of Maine Internal Plumbing Rules Chapter 238, Section 11.802.5Shutoff: No shutoff valve shall be installed between a non-submersible pump and the operating control for the pump.10-144 C.M.R. ch. 232, § 8-802.0