Question about Sta Rite Sta-Rite Max-E-Therm High Effiency - Propane Heater - 333,000 BTU
I changed the thermostat on this last year. about 6 months later when the heater is turned on for the spa and temp set say at 100 (water temp about 85) the flame lights up and stays on for a short time then goes out. a few minutes later it comes back on. the heating process takes very long. occasionally it stays off until I turn it off complete and then turn it back on again. what do you think is wrong? would this possibly be the thermostat again? thank you, Mark Severino Arizona
This heater has a thermal regulator and a high limit that could be the problems. If it were a high limit that was bad, the display would show the error when the heater goes off. In the absence of an error, one would look to the regulator. A bad regulator would cause the water flow to bypass the exchanger and cause a slow heat. The part is easily replaced and runs about $90. It sort of looks like a car thermostat and also has a spring. It is accessed by removing the large black plug near the plumbing inlet/outlet.
Posted on Dec 21, 2008
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Posted on Jan 02, 2017
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