... heat transfer for hot-water plumbing and liquid-heating and dual-temperature piping. Kingflex Aircon is ideal for applications in:Air-conditioner, ... including hot gas pipingIceboxSolar collectorsAutomotive and diesel under hood, including air conditioning, heatingSlip the ... , 7, 6, 4, 3, 2.5)- close cell heat insulation K2 rubber foam pipe for air conditioner