Q.5 Hot Water Temperature Fluctuates at Tap?

  • Normally when the water temperature gets too hot, there arises the need to mix a lot of cold water, to have the water at right temperature. This lowers the water flow through the AquaStar and may the unit deactivates due to insufficient flow through the heater.Observe this by closely watching the AquaStar's burners when someone else gradually mixes in cold water at tap. The best answer to this problem is to improve the flow rate so the AquaStar can easily stay activated when the hot water is running with some cold mixed in. For testing this, remove the restrictor at an outlet / shower head. Clean the AquaStar's inlet water filter screen. Another thing you can do is, lower the output temperature . It can be lowered but the thermostat in the 125BS is not adjustable with an exterior control. So in place of this within the heater, there is an adjustable collar with lock nut, which will calibrate the thermostat.
  • If the AquaStar's burners continues to remain on with hot water flow but the fluctuation in the temperatures is witnessed then the pressure of water or gas may be unstable. The AquaStar 125BS is outline to modulate gas flow to the burners at the time when the flow of water varies or when inlet water temperature differs. But at homes where the water pressure erratic and water flow is inconsistent while a tap is opened, then the temperature of hot water will swing. This happens only because thermostat will not respond quickly enough. The gas pressure also required to be stable and adequate.
  • The 125BS regulates burners at the time when flow rate or inlet water temperature changes. However it's thermostat will be slow to react when incoming water is cold (ground water temperature averages at 55°F).

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