[m12345]

Is It Necessary Or Advised To Drain My Water Heater Periodically, To Prevent Rust In Bottom And Eventually Leakage, It's A Gas House Water Heater. My Plumber, When Installilng It, Said It's Not Necessary, But Maybe He Just Wants The Business.

[iamgrowler]

You shouldn't need to drain the entire tank, but it wouldn't hurt to periodically hook a garden hose up to the boiler drain at the bottom of the tank and flush it out for a minute or two.