Air-source heat pump water heaters

Thermal-resistant insulating sleeves made of aluminum-foil laminates and braided fiberglass for thermal protection of tubes, hoses, cables and wires, but not including heat-shrinkable or heat-absorbent sleeves or tubing, or sleeves or tubing that shrink or decrease in size or otherwise change their form on purpose when exposed to heat

Electric heaters for commercial and industrial use