“Exact fit easy swap. Can call the plumber I tried to get to replace it and have him disregard my request for service. But he has not acknowledged my intentional request. Too bad.”
“Installed two of these on different systems. One failed and leaked after system froze. Everything looked fine internally but I replaced it again just in case. Also installed a port to check boiler pressure with the same gauge used for the expansion tank. Yes, pressure gauges that did not agree within three pounds cost a few hours of head scratching.”
