1210.6.6 Polyethylene plastic pipe and tubing for ground-source heat pump loop systems.
MC § 1210.6.6
Joints between polyethylene plastic pipe and tubing or fittings for ground-source heat pump loop systems shall be heat fusion joints complying with Section 1210.6.6.1, electrofusion joints complying with Section 1210.6.6.2, or stab-type insertion joints complying with Section 1210.6.6.3.













