2011 ORS § 447.065¹
Solar heating and cooling systems
(1) Notwithstanding ORS 447.020 (Plumbing to conform to state building code), a person may not engage in the trade of installing solar heating and cooling systems unless the person possesses either a license as a journeyman plumber issued under ORS chapter 693 or a solar heating and cooling system installer license issued by the State Plumbing Board under ORS 693.111 (Solar heating and cooling system installers).
(2) A license issued under ORS 693.111 (Solar heating and cooling system installers) does not authorize a person to connect a solar heating and cooling system to a potable water source. The connection of a solar heating and cooling system to a potable water source must be made only by a journeyman plumber licensed under ORS chapter 693. [2001 c.683 §22; 2005 c.758 §13]
Note: 447.065 (Solar heating and cooling systems) was enacted into law by the Legislative Assembly but was not added to or made a part of ORS chapter 447 or any series therein by legislative action. See Preface to Oregon Revised Statutes for further explanation.