1

Lots to answer here. I would have posted this as a comment, but I have too much to say. I have an 8 zone hydronic (in floor concrete) heating system...probably "over-zoned", but that's a different issue. When you say "the manifold" that implies only one zone. I have 8 manifolds. PEX is awesome and will last a lot longer than 35 years. ...


Only top voted, non community-wiki answers of a minimum length are eligible