(1) The Oregon certified home inspector shall observe:

(a) Interior water supply and distribution system, including piping materials, supports, and insulation, fixtures and faucets, functional flow, leaks, and cross connections;

(b) Interior drain, waste, and vent system, including traps, drain, waste, and vent piping, piping supports and pipe insulation, leaks, and functional drainage;

(c) Hot water systems including water heating equipment, normal operating controls, automatic safety controls, and chimneys, flues, and vents;

(d) Above ground oil storage and distribution systems including interior oil storage equipment, supply piping, venting, and supports; leaks; and

(e) Sump pumps and sewage ejection pumps.

(2) The Oregon certified home inspector shall describe:
(a) Water supply and distribution piping materials;
(b) Drain, waste, and vent piping materials; and
(c) Water heating equipment.

(3) The Oregon certified home inspector shall operate all plumbing fixtures, including their faucets and all exterior faucets attached to the house except where the flow end of the faucet is connected to an appliance or interior faucets not serviced by a drain.