Water Feeder overfills system


Old 01-19-13, 01:14 PM
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Water Feeder overfills system


I have a steam boiler (Burnham) with a VXT-24 Programmable Water Feeder. Every time my boiler fires, the water feeder lets water in for a few seconds. After a few cycles of this, my boiler gets overfilled and I have to manually release water from the system.

Any help is greatly appreciated.

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Old 01-19-13, 01:37 PM
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Is this a new boiler?

No steam expert at all but I would assume the boiler needs to be skimmed.

Do a google search of skimming a steam boiler......
Old 01-20-13, 04:26 PM
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Hully, something has to TELL the feeder to open... and that is the LWCO (Low Water Cut Off) control.

Do you know at exactly what point the feeder is adding water? As soon as the boiler fires? After it's been steaming for a time? After the heat call ends?

What make/model LWCO do you have?

What are the dipswitches set to on the VXT ?

Manual here:


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