Buzzing sound in Low Water Cut-Off Switch

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Old 02-06-12, 02:34 PM
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Buzzing sound in Low Water Cut-Off Switch

I was trying to track down an annoying buzz and it lead me to my utility room and to the low water cutoff valve for my hot water heater. The unit's green light is still lit, so I don't think I have a problem with the valve. But, not sure why it is buzzing (similar to say a fluorescent light when it starts buzzing). Any ideas? Should I be concerned?

Ed
 
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Old 02-06-12, 03:22 PM
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Hi Ed, make/model of the LWCO ?

These devices have small transformers in them, and over time they often do buzz... it's probably not an imminent failure lurking, but is worthy of investigation, if not just for peace of mind.
 
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