Zodiac Jandy Hi-E2 350K BTU Residential Pool Heater - Natural Gas "gas water heater limit switch" Questions

...water, corroding the sensors. If the sensors are open circuited the ignition controller will not allow the hot surface ignitor to fire the gas. Even though this is a failure of the limit switch it ...

) Then retest, if problem does not go away remove paper clip and reconnect wires and move to the next limit. Always make sure water is flowing through the heater at all times while checking the limits

Heater runs about 1 minute and shuts off HLS is on high limit switch is open. it will open it water inside header gets over 135 degrees, or you have a faulty high limit switch

...heater is getting a water flow. Once the LO error comes on, a fan inside the heater comes on and runs for a bit. It then allows you to take the heater to standby One of your limits is not working or ...

...water and the temperature of the high limit sensor(switch). I would say it is most likely flow related, but could be that the gas valve isnt tuned up too. I know this is not a solution, but hopefully ...

...water! The purpose of the Thermopile is to sense a pilot flame, generate enough electricity (Milivolts) to operate the functions of the gas valve, thermostat, pressure switch and misc hi - limits. If ...

...Water temp. below 36°F or above 110°F VNT Vent switch open I have a Raypac 2100 and heater wont light. Will spk., call for gas then service comes on and it shuts down. Sometimes an eep ...

...is a high limit switch issue and I should switch out the HLS. Could it be anything else? make sure that you have adequate water flow going through the heater and that your water chemistry is

water flow through heater. other causes are high temp limits. It means low pressure. This is a safety feature to prevent the unit from over heating when there is not enough water flow. If your pump is

...heater vent limit switch is resetting, flow is fast and good, but water temp is getting over 140 and kicking vent limit switch out the vent switch is for the exhaust. the 135 high limit should be ...