Question about Pool & Spa
The high limits are designed to shut the heater off if the water temp exiting the heat exchanger gets too high. One is set at 135f the other at 150f. The thermostat should shut the heater off once the pool water gets to temperature.
I'm not sure what you mean by "burning". The operating temp in a 400K btu heater is around 2000 degrees. If you are getting a lot of "sooting" that is typically caused by low gas supply. That's where you get orange flame instead of blue flame. Can you give me more detail?
Posted on Nov 24, 2013
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Posted on Jan 02, 2017
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