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Old 01-24-2011, 09:04 PM   #1
Join Date: Apr 2010
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Running out of hot water

I have a Utica oil boiler in my ranch. NO water storage tank, just whatever is held in the system, and then everything needed is is fired on demand.

Issue im having is running out of hot water pretty fast while filling a bath.

It'll take pretty much a minute for the hot water to turn to luke warm, the boiler just cant keep up with the volume.

Though, if i run the shower, the water will stay burning hot until the oil tank is emptied.

what are some of my options?

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Old 01-24-2011, 10:53 PM   #2
Water Treatment
Join Date: Mar 2010
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Running out of hot water

Shower is at what gallon per minute flow rate?
Tub is at what gallon per minute flow rate?
Might have to slow down the flow rate for filling the tub.

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Old 01-25-2011, 08:15 AM   #3
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Join Date: Dec 2007
Location: Chaumont River, Ny.
Posts: 3,682

Running out of hot water

Ayuh,... When I 1st went to the Dhw coil in my boiler, I was assured it would provide Unlimited hot water...
The 1st shower I took, turned Cold in no time...
It was then that it was pointed out ya need a Flow Restrictor in the waterline...
I sweat 1 in on the in-bound water line, at the coil...
Now, I have continuous Hot water...
It's adjustable for 1, or 2, or 3GPMs...
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