I keep getting a LO indicator when I have the Polaris running with the heater. Is there a way to adjust the tolerance on the Pressure Switch?
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- Last Post 20 June 2019
It is possible to adjust the tolerance of the pressure switch but is not recommended. This is because if it is adjusted to the point where the heater will fire and attempt to heat without sufficient water flow through the unit then other safety switches such as hi-limits will trip because the internal water's temperature will rise too high for safety.