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I felt the breaker yesterday evening when it tripped for the 4th time of the day it as warmer than the rest but not significantly and as soon as I flipped it back on I went outside and checked the wires in the pump house and they were as cool as the air temp. I can replace the breaker as I have spares. Question, is 15 amps enough? I replaced it around Christmas along with all the other single poles as I did have a weak breaker in the box but I used a 15 cause it’s what was already there and not because I know it was “correct”.