With straight Aquatherm-to-copper stub-outs — which come in 1/2”, 3/4” and 1” diameters and are 11”, 11”, 18” long respectively — installers can easily transition to a fan-coil unit, zone valve, heat pump or other HVAC components with sweated connections using PP-R. The PP-R portion is mold-injected and connected via heat fusion. The copper portion is connected using standard copper solder joints or compression fittings.
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