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Posted by joe on June 04, 2006 at 13:28:47:
In Reply to: Re: Hot water from cold taps! posted by HeatPro on June 01, 2006 at 20:21:38:
If you have a shutoff valve that isolates only cold water to house, turn it off and open the faucets to check if anything comes through cold water side. If not, try it the other way, shut off all hot water to house (valve at piping at boiler) and then open hot water sides and see if cold goes thru.