A dirty filter can cause low pressure and as a result, cause the heater's pressure switch to turn OFF. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature.
Why does my Raypak pool heater keep shutting off?
If your pool heater keeps turning off and on, check to see if the water flow light on the display is lit up. If your unit doesn't have this light, then walk over to your filter pump and check the pressure. A few areas to clean & check for blockage include: ... Your filter pump's basket.
Why does my Intex pool heater keep turning off?
A dirty filter can cause low pressure and as a result, cause the heater's pressure switch to turn OFF. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature.
Why does my Hayward pool heater keep turning on and on and off?
You might have an issue with your venting or exchanger being at least partially blocked. If the heater can't get rid of the products of combustion, excess heat and/or flames etc will roll out the bottom by the burner tray.May 30, 2008
Why does my pool heater keep turning off?
A dirty filter can cause low pressure and as a result, cause the heater's pressure switch to turn OFF. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature.
Do pool heaters turn off automatically?
Complete heater lighting and shutdown instructions are located on the inside of the heater. With a new pool or spa, always run the filter pump with the heater in the OFF position long enough to completely clean the water. ... When the pool water reaches the thermostat set point, it will shut off automatically.Apr 18, 2019