My water heater is 3 years old.
Gas water heater limit switch keeps tripping.
The reset button is also sometimes referred to as the eco emergency cut off switch or high limit safety thermostat switch.
A thermal switch is installed in newer gas water heaters as a safety device.
It keeps tripping the high limit safety on the back.
I have reset it the last two days and now something is not right well hasn t been.
Blocked vents at the top and bottom of the water heater can cause.
Making sure there is no leaking the thermostat is installed correctly flash and firmly mounted against the heater s wall with all the wires tightly screwed in and insulation in place.
How to reset a thermal switch in a water heater.
The water temp is kept quite low slightly under 120 degrees it seems very consistent temp when you use the hot water aka it not s violently hot from time to time there is excellent fresh air intake a smoke test shows the flue is.
I ve recently discovered that it is a limit switch that is causing the pilot light to go out.
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I m looking at the paint daub not the colour of the plastic button.
Thermal switch keeps tripping hi i bought an american standard water heater and within 3 months the thermal fuse kept blowing.
I replaced it and it is doing the same thing.
The switches are colour coded and the red switch in this water heater is rated to open at approximately 290 degrees.
A thermostat that does not open allows the element to operate continuously thus.
Should i replace the lower thermostat and see what happens.
The malfunctioning high limit switch is another reason for this problem.
Your water heater reset button is a safety device that shuts off power to your water heater when the water temperature inside it exceeds 180 degrees fahrenheit.
I can t prove it but i don t think the tank is getting too hot.
Water heaters gas water heater.
Summary in order to prevent or reduce the number of eco reset tripping occurrences maintain your electric water heater regularly.
I would reset it and 6 or 7 hour later it would trip again.
The high limit switch keeps tripping on my hot water heater.
A thermostat that is stuck closed may be the cause of the reset button tripping repeatedly.
Our coach has an atwood 6 gal elec dsl gas water heater.
Last year around this time it did the same thing but all of a sudden quit until now.