Adding HW to Boiler

877 Views 4 Replies 4 Participants Last post by COLDIRON, Dec 15, 2012

ryanb4614

Discussion Starter · Dec 13, 2012

Hello. I just had my oil guy here servicing my boiler. I asked him what his thoughts were on switching to gas and he of course told me it wouldn't be worth it for me because in my area the prices will go up within the next couple of years...I don;'t think it would be smart move for me because I don't plan on staying here more than 5 years.

I then asked him if an electric hot water heater would help with the cost. He said it would but I would have to be careful because it will damage the boiler if the boiler isn't running. He explained to me what to do. If someone could just read this to make sure I am on the right path...

-Put a valve on the water line right before it goes into the boiler (the IN outlet). He said this way I can run it once and a while.
-Turn the temperature setting the hi and low all the way down so it still runs (which I am confused, if the water running in is turned to off will it still be getting water to maintain the settings or does it run off the water line going in for the heat?)
-Put two valves on top of the hot water heater.
-Then just T in the lines.

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AllanJ

· #4 · Dec 14, 2012 (Edited)

You can have a stand alone water heater working in the summer only and heat water using the furnace during the winter.

You would have to connect the two devices in parallel (water is not required to go through both devices), and you open and close valves so the water uses one and not the other.

During the summer you don't want the water from the water heater going through the cold furnace on its way to the faucets. During the winter you don't want the hot water from the furnace passing through the water heater tank afterward where it would sit and lose most of its heat.

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