Another Simple Job That Wasn't Part 2

John B.

Well-known Member
I read the post below about the man who had to replace his water heater and got a lot of advice from the crowd.
Well My water heater was 13 yrs old and we kept running out of hot water, it' would not recover very fast at all. So I found one thru my nephew who is a plumber. He got us one that was used but only a month old. I proceeded to take our old one apart and cut the tank in half. I wanted a look inside, cause we drained ours once a month. But never got any sediments out of it. When I cut the tank in half I was amazed and found nothing. The tank was clean as new. But I was told they get a film on the inside over time that keeps the transfer of heat from heating the water. Has any one else heard of this???
 
don't know how a film would stop anything,..the transfer of heat comes from the elements.//i'd say you had an element that was bad
 
If it was electric,I don't know how it would. The element inside heats the water. I think those tanks are "glass lined" anyway to prevent corosion and rust.

I'll tell you,I really feel stupid now for not duct taping a piece of 3/4 inch black plastic pipe to the shop vac hose and sucking the lime out of it,then just replacing the element. But,on the other hand,I had several over the years in the milkhouse,start leaking and none of them were as old as that one. Guess I can feel good knowing there's one hidden back in there now that's not gonna leak and rot the floor.
 
If the water got hot, but didn't have much reserve it was probably the lower heating element. The ones I've worked are setup to heat the top for some fast hot water, then to switch to the lower element to heat the rest of the tank.
 

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