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Getting ready to replace PB pipes in heating system- base board fittings?

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nharcane

Junior Member
My home has PB in the fhw system. I have a few slow leaks and want to replace those with oxygen barrier pex. The baseboard have right angle sweated copper to pb adaptors use with the old PB/copper crimps. I can replace that PB with oxygen barrier pex. Do I need to replace the sweat fitting on the baseboards that were used for 7/8 pb or can I just crimp the pex on to those fitting if they are in good shape. Plane to use SS crimps on Pex
 
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