Comments on: Why Tankless water heater is not producing hot water? http://waterheatersource.com/water-heaters/why-tankless-water-heater-is-not-producing-hot-water/190/ For those who need help on water heaters... Sat, 13 Mar 2010 12:33:04 +0000 hourly 1 http://wordpress.org/?v=3.0 By: Just guessing http://waterheatersource.com/water-heaters/why-tankless-water-heater-is-not-producing-hot-water/190/comment-page-1/#comment-532 Just guessing Fri, 20 Mar 2009 07:03:07 +0000 http://waterheatersource.com/water-heaters/why-tankless-water-heater-is-not-producing-hot-water/190/#comment-532 <a href="">Edna</a> If you were not given a manual, look it up on line. Specifically, trouble shooting. Edna

If you were not given a manual, look it up on line. Specifically, trouble shooting.

]]> By: HyperDog http://waterheatersource.com/water-heaters/why-tankless-water-heater-is-not-producing-hot-water/190/comment-page-1/#comment-531 HyperDog Mon, 16 Mar 2009 22:32:15 +0000 http://waterheatersource.com/water-heaters/why-tankless-water-heater-is-not-producing-hot-water/190/#comment-531 <a href="">Lesley</a> I believe those are switched on by a flow-sensor, so either the sensor or the heating element has failed. If you are experienced working around electrical devices, can access the connections, and can turn off the power to the device, you should be able to check both the flow sensing switch and the heating element with an ohmmeter or a continuity tester. The switch should close (show a very low resistance - close to zero ohms, or light the test light) when the water is turned on, and the heating element should show a fairly low resistance (few tens of ohms, or light the test light) at all times. Lesley

I believe those are switched on by a flow-sensor, so either the sensor or the heating element has failed.

If you are experienced working around electrical devices, can access the connections, and can turn off the power to the device, you should be able to check both the flow sensing switch and the heating element with an ohmmeter or a continuity tester. The switch should close (show a very low resistance – close to zero ohms, or light the test light) when the water is turned on, and the heating element should show a fairly low resistance (few tens of ohms, or light the test light) at all times.

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