Sta Rite Sta-Rite Max-E-Therm Low NOx Pool and Spa Heater - 333K BTU Heavy Duty / Natural Gas Logo

Question about Sta Rite Sta-Rite Max-E-Therm Low NOx Pool and Spa Heater - 333K BTU Heavy Duty / Natural Gas

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Heater won't stay lit but no error messages

Im Having an issue that the trouble shooting flow sheets don't address. The heater ignites but shuts off within a second or two. The AFS light flashes briefly as does the service heater light but neither stay on. If I obstruct the air intact with my hand the AFS light comes on and stays on. The blower stays on through out the sequence and the exhaust is not obstructed either. Every now and then the heater does stay on but it might be only every 20-30 times it tries to cycle.

Posted by Gary Brigham on

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1 Answer

David Spradling

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  • Sta Rite Master
  • 1,448 Answers

If new heater nad wired 120 volt reverse black and white wires sounds like its not showing rectification first check to see if adequate gas pressure

Posted on Oct 04, 2014

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5 Related Answers

Anonymous

  • 139 Answers

SOURCE: When Spa heater is turned on,Fan comes on but burner never lights

this is typical of a dirty flame sensor.your model does not have a thermo couple.remove sesor and clean with steel wool or fine emory cloth

Posted on Jun 21, 2009

Testimonial: "This answer made me pull the ignitor - it was broken"

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joespools200

  • 246 Answers

SOURCE: I have a Sta-rite gas heater that has the afs and

SORRY YOU HEATER IS GONE THE HEAT EXCHANGER HAS ALEAK THIS IS DUE TO POOR WATER CHEMESTRY ,LOW PH, OR SOMEONE USING TABLETS ON THE SKIMMER THIS DAMAGE THE METALS ON THE HEATER

Posted on Oct 13, 2009

Anonymous

  • 5 Answers

SOURCE: Service HEater light is lit

check your thermostat sensor or the sensor that is on the back

Posted on Sep 09, 2010

Anonymous

  • 1833 Answers

SOURCE: Hi - I have a sr400na heater, it fires up

Try cleaning the baskets and make sure the filter is clean.This will usually fix the problem. Then open front access panel anddisconnect the pressure switch which the sensor connected to the end of a brasstube, touch the ends together in order to bypass the pressure switch, if itworks as normal when doing this then it is just a bad switch, you have tochange the switch. Secondlyif the heater ignites, and the flame sensor is faulty, it will shut down immediatelyas a safety measure. Follow this link, it may help you "http://www.pentairpool.com/pdfs/MaxEThermOM.pdf".

Posted on May 19, 2011

mark24354

Mark T

  • 776 Answers

SOURCE: Heater will not fire. On

Look on the wiring diagram inside the access panel or near the access panel. There should be notes on the bottom of the diagram telling you what the error codes mean (error codes are your flashing yellow lights). Let me know if the description on the wiring diagram is not obvious. -Mark

Posted on Jun 07, 2011

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