1" FPT Brass Unions

Could never get them to stop leaking. I had leaks not only at the threads but also the connection. Tried 4 types of sealant with all the same results. Tried emailing tech support from alternate heating and my two emails went unanswered

to hook up water to water exchanger

wife wants a warm pool this yr!

Great Price

To hook up my Earth Outdoor wood boiler. I have three plate heat exchangers to hook up. One for my oil boiler and two for domestic hot water. After watching your YouTube videos I saw what I needed and these parts are hard to source locally. Your pricing is good so I ordered it.