geof
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When the old, galvanized supply piping to the house was replaced with copper, the TPR valve on the electric water heater started intermittently opening. The flow at fixtures in the house has increased because the old piping had a lot of restrictions. The static pressure on the cold supply is 60 PSI. There is an expansion tank on the outlet of the water heater. Could the expansion tank or TPR valve have been damaged by scale from the old piping ? Is an expansion tank needed on the inlet to the water heater ? Is a larger expansion tank needed ? Any advice would be appreciated.
Thank you.
Thank you.