Recommended Settings to Run WM Boiler for Indirect ...

jadnashua said:

Your boiler set point being higher will mean a faster WH recovery. SEtting the supply temp on the boiler too low could cause the return water to get into the condensing range, which is bad for longevity. The higher the boiler's set point, the more standby losses.

Does the installation manual have any suggestions? I might consider calling the boiler's tech support line.

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As for the "Economy Adjust" setting, this is confusing as this automatically adjusts a time delay period to turn on the boiler during a call for heat as perhaps there is enough temperature to satisfy without firing up the boiler. The manual says the preferred setting is "Max" but the installer left it at "Min" or effectively off/no delay. I have a txt out to them and curious if any rationale for it being set this way but curious if any others had any perspective.[/QUOTE]

Actually if the water is too high the coefficent of expansion per degree of temperature can cause undo stress on the piping system especially copper. This is why sometimes you hear a pinging sound with slant tubing

Even though ASME and NBBI considers a low pressure boiler to be 15 PSI Steam or 160 PSI @250 Deg F Hydronc boiler there is the

possibility of an explosion if the water temperature exceeds 212 deg F and flashes into steam

Additional reading:
Steam Shower Installation Basics From MrSteam
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What order should a burger be?

Link to gtboiler

You may want to consider non electric zone valves if you have a two pipe system

I live right across from Fort Leee so we basiclly have the sae tempertures

Your heating temperature 180 Deg is what I have with a 20 deg Delta

As for the "Economy Adjust" setting, this is confusing as this automatically adjusts a time delay period to turn on the boiler during a call for heat as perhaps there is enough temperature to satisfy without firing up the boiler. The manual says the preferred setting is "Max" but the installer left it at "Min" or effectively off/no delay. I have a txt out to them and curious if any rationale for it being set this way but curious if any others had any perspective.[/QUOTE]

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