Heard a loud pop noise, almost like a furnace blew out, no joke, it was loud. Luckily I was WFH and immediately turned off all the pumps. Checked the sump and found that heater capped popped off the top of the heater. Happened to me twice over the last 8 years, the second time happened today. Also lucky that the glass didn't shatter. Anyone have a recommendation on what brand heater to get or what's reliable? Also, how often do you replace your heaters?
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