Exhaust Collector Limit Switch Open
- Check to see if the exhaust collector high limit switch, located in the exhaust collector area near the pressure switch has opened.
- Depress the red manual reset button on the high limit switch.
- If it resets with a “click”, the switch has opened.
- Check for evidence of high temperatures in this compartment.
- If there is evidence of high temperatures, call Tech Support.
- Do not continue to operate the water heater if high temperature is occurring in this area.