I am currently installing my Froling 50, 170,000 BTU’s and was planning to pipe 1 ½ inch pipe to storage, same size as boiler supply and return connection. I just noticed the Temovar loading unit sent with the boiler is 1 ¼ inch. I see on Tarm’s blog that 1 ¼ is good for 160k BTU, should I keep 1 ½ pipe up to loading unit, reduce , then back to 1 ½ on other side? Will it have enough flow? Thanks in advance.
Walt
Walt