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Old 03-28-17, 09:49 AM   #10
buffalobillpatrick
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Join Date: Mar 2014
Location: Florissant, Colorado
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DEnd

What you are saying is true, "IF" the boiler turned on whenever a thermostat called for heat. Sadly this is how many systems are implemented.

My boiler will NOT short cycle, as there is a 79 gallon buffer tank between boiler and system.

This tank also provides the Domestic Hot Water (DHW) to the house.

My tank is a Vie$$man dual coil indirect. The boiler or Solar heats the tank fresh water via the bottom coil.

An aquastat in the tank turns on the boiler or Solar. The 79 gallon body of tank provides DHW.

The top coil provides warm water to the heating system.
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