Quote:
Originally Posted by villagetinker
Also, the typical lifetime of an expansion tank is 5 to 7 years, then they need to be replaced. The simple test to see if the tank is still good is tap the side of the tank, above the weld it should ring (like a bell) below the tank it will sound dull, if the whole tank sounds dull, the bladder has failed and the tank needs to be replaced.
NOTE: Lowes (and probably others) sell at least 2 versions one for wells and one for public water service, be sure to get the one for public water service, the one for wells has a lower pressure rating.
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I was on well water the pressure(AKA expansion tank) tank done double duty as expansion tank and pressure tank to push water between 40 and 120 psi plus it was around 60 gallon tank. I don’t about Florida but state I was in didn’t require additional expansion tank off water heater cause the pressure tank would mimic expansion tank in system. The was also pressure gauge to monitor the pressure. I was always fixing leaks due to pressure required to push water and minerals in well water. The 1/4 in pipe leading to pressure gauge had to to be cleaned out about every two years. Water heaters lasted around 8 years and pressure tanks lasted around 10 years in that area, well pump little long usually.