When having a new water heater installed, make sure that the installer prices and installs a new expansion tank to prevent excessive water pressure. I think they are required for all new construction, but, I have observed plumbers who do not install an expansion tank when replacing an old water heater that does not have one already installed. Some plumbers will tell you it is not needed because the water heater has a relief valve. That is totally false and dishonest. The expansion tank will add about $200 - $300, but it is well worth the extra cost. It is a small tank mounted above the water heater. All recently constructed houses have them. Also, if you buy the water heater from Lowes, I would want to know who will be installing it. If they are just subcontracting the installation, you will not be gettting the best plumber. And, you want the guy to at least be a licensed plumber.
Last edited by retiredguy123; 08-07-2019 at 04:03 PM.
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