Question about Bosch AquaStar 125FXKIT-NG 125FX Natural Gas Tankless Water Heater w/ Hood
If you turn on the kitchen sink and bathroom partially it will heat up enough to do dishes,etc. Water valve was rebuilt a month ago and the electronic control box was replaced 6 monthes ago.Box was replaced because pilot light would not light because gas valve did not open because box was not controlling it. problem started at pr about the same time.
Ok the way it works man is the box aka power vent the gas valve wont open until the power vent is open u can manualy open the powervent witch will open the gas valve to turn on the piolt light and in about 30 sec the main burner will kick on now if the powervent is opening the the pilot light isnt lighting then u need to replace the thurmole cuple witch sences the pilot light is on if it doesnt see the pilot the it shuts the gas valve off so it doesnt fill ur house with gas
Posted on Jan 25, 2009
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Posted on Jan 02, 2017
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