I have a W-M EGH-125 boiler that is being converted to water fro

Bill_106

I have to convert a W-M model EGH-125 boiler from steam to water. Any concerns besides changing the controls?

Al Letellier_9

EGH

Other than the age of the boiler, why not. My only concern would be operating efficiency. While I'm a big fan of Weil boilers, I'm not a fan of atmospheric burners. I think there are more efficient ways to heat water, but this boiler can go either way. Make sure to flush it well before converting.

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bob young

extremely thorough hydrstatic test

Steamhead (in transit)

Be ready

for major leaks in the system. You're running at least 10 times the pressure with hot-water than you would with steam. This WILL find any weak points.

This is one reason my company does not recommend converting steam systems to hot-water, does not perform such conversions, and will not work on a system that someone else has converted.

Period.

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Bill de Jong

Hope you folks are remembering to change/upgrade your heating terminal units. You will easily lose about half of your heating output in most rads, when you convert this way.