If you are getting hot water from the cold water tap, the chances are that the hot water is "spilling" from the heater through the input hose.
Marek Joel Aronson via CnC-List wrote: Jake, Probably the same one. Guess I'll be flushing mine out. The drain has a hose thread on it so I can probably back flush it. You may not want to know what comes out. Even on mine the cold water gets heated when the engine is running. Joel On Tuesday, July 8, 2014, Bill Bina via CnC-List <cnc-list@cnc-list.com> wrote: > I once troubleshot a home boiler with an integral domestic hot water > coil. The water coming out of the taps never got more than warm. Turned out > there was a "balance pipe" between the cold water input to the boiler and > the domestic hot water output. In the middle of that pipe was a gate valve > that LOOKED just fine. No signs of even slight seepage from the stem. Only > problem was that after 30 years, the gate was no longer there. It had > corroded away, so no matter how tight you thought it was shut, it was > always effectively wide open. I replaced it with a ball valve. > > Bill Bina > > On 7/8/2014 7:49 PM, Jake Brodersen via CnC-List wrote: > > Joel, > > > > Not sure what heater I have. It’s old, round, and white with a black > top. It gets scalding hot after 20-30 of running time. My problem is that > I get hot water out of both the hot and cold faucets. Something isn’t > plumbed right, I think. > > > > Jake > > > -- Joel 301 541 8551
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