wagne223
Platinum Member
Test your bladder tank. The number one cause of a pressure switch burning like that is a failed bladder tank.Looked out the kitchen window this morning and saw my well on fire. I had one non Kidde extinguisher on the wall and grabbed it. The plastic pin broke and wouldn't release the trigger. About that time I thought to turn off the breaker and the fire went out. Wasn't enough left of the pressure switch to determine the cause but a new switch and gauge got me back in business. I ended up cutting the pin out of that old fire extinguisher and hangin it back on the wall. Hate to throw anything away that might be useful. Won't take but a second to see if it will work next time I need one and another is always close by.
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That causes rapid cycling of the switch and pump which overheats and destroys the switch and pump.