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Residential Bosch Tankless Water Heater Problem Repair And Reviews

Free advice on bosch tankless water heater problems

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Question: Why does my bosch tankless water heater make a terrible high pitched noise when it is on?

(Posted by: danrw76 on 2008-03-23 10:41:06)

Answers:

Posted by: rancidcrab on 2008-03-23, 11:56:28

Could be a couple of things, but my first gut reaction is to suggest dirty burners. Time for a service and clean perhaps?

Posted by: William B on 2008-03-23, 11:58:51

Probley the gas burner, a high heat burner will roar or whine when burning, or it could be the water flowing thru it,

Posted by: docksrocks on 2008-03-23, 12:03:25

Probably a bad power ventor. Maybe dirty and a lack of combustion air.

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