warm /not cold?

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Old 01-29-14, 07:01 PM
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warm /not cold?

I was changing out a leaky line and shut off valve to toilet and had noticed afteri turned main line off that a bit of water continued coming thru on its own ,small stream..then i noticed it was luke warm..I then turned off supply at water heater and it stopped.are some toilets on the same line of hot supply or have a mixture valve in line ?
Any other possibilities i may need to adress ?
Its a 80s home and has copper.
 
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Old 01-29-14, 07:16 PM
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No its coming through one of the shower mixing valves most likely.. They are pressure balanced.

Just a siphon effect....
 
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Old 01-29-14, 08:01 PM
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Thanks for quick response..yea i thought somewhere they were mixing since it wasnt hot..
Does turning off the faucet,single valve, while still on hot side/delta/cause it to mix also?
 
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Old 01-30-14, 04:08 AM
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It's rare but some homes in the south have hot water plumbed to the toilets to prevent the tank from sweating. It's wasteful of energy but does work but I don't see the need since almost everyone has air conditioning these days. Still, I'd say Lawrosa's siphoning idea is more likely.
 
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Old 02-02-14, 06:25 PM
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Thanks for info..would that apply in Tn?
I do think it was just the mixing valve though.
 
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