§ 18-29-421.1 Approval.
Whirlpool bathtubs shall comply with ASME A112.19.7 or with CSA B45.5 and CSA CAN/CSA-B45 (Supplement 1).
§ 18-29-421.2 Installation.
Whirlpool bathtubs shall be installed and tested in accordance with the manufacturer's installation instructions. The pump shall be located above the wire of the fixture trap. Access shall be provided to the pump.
§ 18-29-421.3 Drain.
The pump drain and circulation piping shall be sloped to drain the water in the volute and the circulation piping when the whirlpool bathtub is empty.
§ 18-29-421.4 Suction fittings.
Suction fittings for whirlpool bathtubs shall comply with ASME A112.19.8.