Question about Hayward H-series Electronic Gas Pool Heater H400
This sounds like a low water flow situation. The heater is telling you that the high limit sensor is curring heater operation. The noises are the heat exchangers boiling the water either due to a blockage in the exchanger , a bad mixing vlve, or most likely poor water flow. This is tough to troubleshoot through a posting like this, but 1st thing is 1st. Check your water flow and make sure it is minimum 50 Gallons per minute.
Posted on Jul 18, 2011
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