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  1. jswin

    Wastewater refrigerant lineset failure / alternate materials

    Got called out to look at some refrigerant lineset failures happening at wastewater building on split 410A DX, under 5Ton. Leaks at joints. Liquid and suction lines are field fabricated from copper and have turned black. Still tying to find submittal to see what they used to braze. Not a...

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