Thanks for the responses. Is it ok to have soldered joints in the buried part of the assembly?
Hi, I'm a first time poster. I've been doing some research on how to build a PVB assembly. So far, I know the assembly will be out of 1" Type L, hard copper pipe with brass PVB/valves, and will be connected to pvc mainlines. I've gotten stuck on a few things: 1) Can I use galvanized pipe instead? I only decided on copper b/c galvanized seemed frowned upon on the plumbing forums, but I've also seen professional assemblies built out of galvanized pipe. Also I'm somewhat worried about residential c...