Question about TitanNet TITANTANKLESS. COM PRESENTS THE TITAN SCR2 WHOLE HOUSE TANKLESS WATER HEATE
Richardrya's comment is very reasonable and he described in simple words the basic principle of how the tankless water heaters work, and one scenario of what might happen if sediment builds up. However, the most lilkely reason of a tankless water heater not turning off is described is this link.
Posted on Aug 23, 2012
The heater has a magnetic plunger in the incoming water line. When the water starts to flow the magnetic plunger moves to the left and causes a magnetic sensor switch mounted to the top of the line to close. This sends a signal to the thermostat board and causes the SCRs to trigger and provide power to the heating coils. When the water stops flowing, the magnetic plunger moves back to the right and the thus the sensor opens and the thermostat removes the power to the coils. Over time calcium will build up on pipe (and the magnetic plunger as well) and eventually prevent it from moving back and forth. If you are lucky, the plunger will stick in the OFF position and the worst thing will be that you won't have hot water. If you are unlucky the plunger will stick in the ON position and disaster will strike. The coils will remain on, the water will stop flowing, the water will instantly turn to steam, if you are using any sort of plastic water lines they will melt, very soon thereafterthe heater coils will burn out.
As you can tell this has happened to me. In my opinion, a significant deficiency in the product.
Posted on Sep 30, 2009
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Posted on Jan 02, 2017
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