Draining hot water heater???

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blooba

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I have a approx. 15 yr old crane hot water heater with the inlet coming in underneath
the unit and it has a tee fitting on it
connecting to a "drain" valve and to the
cold water. There isn't any other drain
Built into the heater itself. So I figured
If I turn off the electric and cold water
and open a faucet and the drain it would
drain but I guess there is a one way valve
so I can't drain my heater and I have
Alot of sediment and rust so it is probably
filled with sediment. Any ideas??????


Also I have a basic sediment canister filter
That I have to change every 2-3 weeks
after rinsing the filter of sediment every
few days. The taste and smell of the
water is perfect any less maintance and
or cost effective ideas?
 

Jadnashua

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Think soda straw with your finger over the top...with the main water valve shut off, open a faucet valve and see what happens. My unprofessional opinion.
 

blooba

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Yea I tried that. Have you ever seen a water heater without a built in drain? Cuz this one has been plumbed in so I'm guessing its just a hose hookup for in the closet. I dunno something new to me but I'd like to drain that thing cuz this water is filled with sediment and I just put in that filter so I'm sure the heater is probably pretty nasty.
 

hj

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heater

If that heater is only that old, I am amazed. I have not seen any like that since the 60's. Turn off the water to the heater and connect a hose and then open the drain valve. It will not do any good to leave the water on because it will not be flowing in such a way as to force the initial material out of the heater and through the hose. Open the safety valve on the top or side of the tank, unless yours was one of those that were "as safe as a light bulb and did not need a safety valve".
 

Master Plumber Mark

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leave sleeping dogs lie.

dont touch that heater if you know whats good for oyu.

I get little old ladies every so ofter thinking that they are supposed to drain their heater who havent touched the thing since the 70s. All you do is mess things up, usually youi wont be able to shut off that old valve after you open it up.

it fills full of sediment and wont seal off again. At least get a hose end cap and a washer from the hardware store to use to seal off that fitting or it will drip everywhere.


leave sleeping dogs lie.
 

blooba

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Yea well it does have a pressure valve
but it doesn't have an actual valve its
one that breaks open and then has to be
replaced. And the drain valve is in good
shape and since its plumbed in I can
replace or rebuild it so that's not a problem.
 
Last edited:

mrjetskey

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I change out my electric hot water-heater every 2nd or possibly 3rd element change 8 years max.they are so cheap and 300.00 spent every 8 years or so I list as preventive maint.
 
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