I am having a hard time finding the hot water shut off main valve.

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Old 11-26-08, 03:33 PM
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I am having a hard time finding the hot water shut off main valve.

I would like to replace a failed hot water valve under my sink; it won't turn off. I have searched for the main hot water valve at the boiler and cannot find it.

Does anyone know where the valve might be located. Also, I don't have a seperate hot water tank. There is a hot water coil in the burner.
 
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Old 11-26-08, 04:52 PM
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On systems with the hot water from the boiler, it can sometimes be confusing which valve is which. A pic might help us, but find a hot water pipe and follow it backwards. That should bring you to the correct valve.
 
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Old 11-27-08, 12:44 AM
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Worst case, just turn off all the water to the house. Swap the angle stop & turn it back on.
 
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Old 11-28-08, 04:37 PM
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I am having a hard tie finding the hot water shut off main valve

Thanks Steve. What do you mean by angle stop? If I turn off all of the water to the house would there be any problem with the hot water coil when the system is drained? I am afraid that when the thermostat calls for heat, the coil might get damaged (the coil is in the boiler).
 
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Old 11-29-08, 12:37 AM
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The valves under the kitchen sink are usually angle stops (but occasionally a regular valve is used).

This is an angle stop:

http://www.mclendons.com/img/products/31/318980.jpg

If you turn off the power to the boiler, and make sure that it's full of water before restoring the power, it should be ok. But I hasten to add that I can't see it - I'm here looking at text on a monitor. If you have any doubts, then hiring a pro would be cheap insurance.
 
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