indirect water heaters

I have a Weil McLain Gold Plus 40 gallon indirect oil fired water heater which, judging from the water on the basement floor and the leak at the bottom, needs to be replaced. I haven't had to buy a water heater for 15 years and have no idea what features to insist on, which features are nice to...

Over the past decade or more I have encountered a number of B-W indirect water heaters that were producing scalding water, typically well above 130 degF, even though the aquastat was set to its lowest setting. I called B-W tech support several years ago and they blamed it on the piping and that...