Re: EXPANSION TANK
Posted by Terry Love on August 30, 2002 at 23:48:38:
In response to Re: EXPANSION TANK
Newer homes have "tighter" plumbing. When check valves are installed at the water meter, or pressure reducers are in line, then there needs to be a way to deal with it. The expansion tank helps to prevent the welds on the water heater from breaking. Seems like a good idea to me.
The added benifit from having one, is the added water volumn to the piping system. Terry

: Depending on how your piping system is arranged you may not need one, but it is unlikely that it was installed just to look pretty. If the old heater needed an expansion tank then the new one will also. You an use the old one as long as the diaphragm has not ruptured. hj

: : MY GAS HOT WATER HEATER HAS AN EXPANSION TANK.IF I REPLACE MY WATER HEATER CAN I ELIMINATE THE EXPANSION TANK? IF NOT CAN I REUSE THE OLD ONE AND DOES IT HAVE TO BE PUMPED UP WITH AIR. I HAVE NEVER HAD AN EXPANSION TANK IN ANY OF MY PREVIOUS HOMES ,WHY DO I NEED ONE NOW?




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