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Arco Gravity boiler

1906 water boiler converted to natural gas.

My client purchased this home under the assumption boiler worked.

I found it has a water gauge on top left and a small possibly broken temprature gauge on top right.

There is a floor standing expansion tank with no vents that I can find.

The only control other than a heating thermostat and thermocouples on the gas valve.

Shouldn't this have a Aquastat and low water cut off?

What water pressure should we have.

Comments

  • kcoppkcopp Member Posts: 2,744
    More than likely...

    It is a gravity hot water boiler... Low water cutoffs and aquastats are a new invention compared to the age of the boiler. A stack switch was used to control the temperature. A new boiler is prob. the way to go.
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