Looking at plate exchangers for a DIY heat bank. Anyone have experience with either of these brands?
https://www.amazon.co.uk/dp/B07F1HKH2S
or
https://www.amazon.co.uk/Hrale-Stainless-Steel-Exchanger-Plates/dp/B003JLQK9M
https://www.amazon.co.uk/dp/B07F1HKH2S
or
https://www.amazon.co.uk/Hrale-Stainless-Steel-Exchanger-Plates/dp/B003JLQK9M