Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
my g3 eng told me the cold water expansion vessel connected wrongly and need to connect with cold water combination valve. Cold water combination valve cost £148 with parts and labour £220.
Thanks
Reply to the thread, titled "does cold water expansion vessel connect wrongly?" which is posted in Central Heating Forum on Plumbers Forums.
We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.