Question about Bosch 1600H-NG Natural Gas AquaStar AquaStar Natural Gas Tankless Water Heater...

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No clicking sound

No clicking when water is turned on.

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When you do not hear clicking the first thing to check is to the check the microswitch. See my answer on this question: http://www.fixya.com/support/t9769963-bosch_model

Posted on Nov 19, 2014

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Posted on Jan 02, 2017

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1 Answer

Hot water heater pilot will not light


You have red wires connected to bottom of gas control valve?
Is this a power vent model?
What model, what brand water heater?
Is new thermocouple is finger-tight plus 1/4 turn and not shorted against gas control valve?
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Copy following link for safety magnet:
Magnet will click closed when pilot is turned off. Put butane lighter on end of thermocouple and listen for clicking sound.
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Copy following link for troubleshoot by type of gas control valve:
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Aug 28, 2012 | Water Heaters

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Hi, I have the 1600 NG tankless water heater. Everything works great, but I installed low flow hot faucets throughout the house and now the igniter will not click on. It works for the washing machine. ...


http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html#flow
1) Tankless require minimum flow rate before burner will activate.
2) Sounds like the water pressure drops quickly when faucet turns on. This implies combination of problems including sediment build up inside lines, crossover at single-handled faucet, or sediment filter clogged or water softener clogged.
3) Low flow faucets can reduce needed flow rate.
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Jul 20, 2011 | Bosch 1600H-NG Natural Gas AquaStar...

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I have a 50 gal rheem water heater, its making a clicking noise i have discovered if i shut off the cold water supply it stops, when i turn it back on then the clicking starts again, my t&p has popped...


sediment build up is usually causes thumping and noises from tank. it needs flushed out. models, where the heat source is beneath the tank. The burner heats the water under the sediment, leading to a build of steam. The steam finally escapes as bubbles, which can cause the sounds.

have a good day !

Mar 14, 2011 | Rheem Water Heaters

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My electric 58 gal whirlpool water heater runs out of water faster then normal. I took my amp probe and had current draw on lower element but not on upper then turned thermostat up heared relay click then...


http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

You have a 240V electric water heater because you have an upper and lower element

The upper thermostat works in the manner you have discovered
.
In residential electric water heaters, the upper element is ON or the lower element is ON, or both elements are OFF.
This is called non-simultaneous operation.
Non-simultaneous operation means the elements are never turned ON at the same time.

Because water heater thermostats only turn off one leg of the 240V circuit, the upper and lower elements will always have power on the two screws, but not across the two screws.
This power is 120V and the circuit is not complete so the element will not heat.
So if you test any element, it will always show at least 120V
Only when the thermostat clicks ON is the 240V circuit completed, and the element turns ON.

Identify the problem:
1) The shortage of hot water is caused by a bad upper or lower thermostat or a bad lower element.
We know the upper element is working because you have some hot water. If the upper element was burned out, you would have no hot water because the upper thermostat would never click over and send power to lower part of water heater.

2) It sounds like your upper thermostat is clicking on and off, so I would test the lower element.
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/Do-it-yourself-water-heater-timer.html

Add a comment if you need more information, and I will help.
The do-it-yourself link above will give you full electrical how-to for self-fixing electric water heaters.

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Its clicking


the clicking could be from thermal expansion or the thermostat turning off or on. Be sure it's a clicking sound and not a sizzling noise. Sizzling noises are caused by loose wires or burning contacts, this is dangerous.

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The hot side (top line) should have a check valve between tank and water line. I'd replace it. Be sure you install new one the right way. Stem, spring etc should be facing in tank.

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I am getting error code -0 and 82 PTG-74PVN


Remove power, disconnect remote terminal. Restore power, open a hot water valve and see if you get any hot water.

HTH,
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No hot water. After i turn off the electrical switch and turn it back on there is clicking sound but no hot water.


there is also a reset switch on the unit,its comparable to a G.F.C.I, check this too

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