Plumbing Questions? Ask a Plumbing Expert.
Hi my name is ***** ***** I have been in the plumbing field for 20 years. I will be glad to help you today. When you turn the hot water on does any water come out? Is there any error code?
Do you have a circulation system?
Have you done any remodeling like adding a shower? Was it working before flushing it?
If you open the temperature relief valve, does it fire then? Gas valve is on?
Water comes out cold from the temperature relief valve too?
Try turning the hot and cold valves off again and remove the filter. Turn the hot water valve on then off and then turn the cold water on very little then off. Replace the filter. There must be debris stuck in the flow sensor and keeping it from sensing flow to fire. That should dislodge whatever is in the flow sensor.
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Were you able to fix the issue with the information provided?