Super Hot SGS Series - User Manual

Questions and Answers

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Shaun CaseyAug 19, 2025
What to do if I smell gas near my Super Hot SGS Boiler?
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  Jason PerezAug 19, 2025
  If you smell gas, consult the section 'What to do if you smell gas' on the cover of the manual. Additionally, have a certified gas fitter inspect the system for leaks and repair them. Other possible causes include: negative draft due to incorrect vent size or a blocked vent; insufficient combustion air, so check if the combustion and ventilation air openings meet installation code requirements and are not blocked.
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blackdillonAug 25, 2025
Why is my Super Hot Boiler making a rumbling sound?
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  Megan JohnsonAug 25, 2025
  A rumbling or moaning sound in your Super Hot Boiler could be caused by several factors. First, the boiler may be overheated, and the safety high limit aquastat is failing to cut out; in this case, check the aquastats and adjust or replace if necessary. Improper wiring can also cause this issue; check and correct the wiring. Another potential cause is foreign matter in the heat exchanger, which can be resolved by flushing the heat exchanger. Poor circulation can also lead to these sounds; check the pump for correct flow. Lastly, air trapped in the heating system can be the culprit; in this case, purge the air from the system.
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Shannon BallAug 26, 2025
What causes a Super Hot SGS to continuously fire?
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  courtney00Aug 26, 2025
  If your Super Hot Boiler fires continuously, it might be due to a gas valve failure (in the open position), so check the gas valve and replace it if necessary. Another possible cause is faulty wiring; inspect the wiring of aquastats, zone valves, and thermostats for short circuits or incorrect wiring. Lastly, a faulty aquastat, zone valve, or thermostat could be the issue; check these components and replace them if necessary.
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Julie RomanAug 30, 2025
Why does my Super Hot SGS Boiler cycle on and off frequently?
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  cynthia41Aug 30, 2025
  If your Super Hot Boiler goes on and off frequently, it might be due to poor flow in the boiler or circulator failure; check the pump for proper capacity and flow direction, and replace it if necessary. The thermostat, heat anticipator, or aquastat might be set too low, so check and adjust them. The boiler could be oversized or have insufficient radiation; check and adjust if necessary. Finally, the wrong type of thermostat or controller could be the issue; check and replace it if necessary.
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Amy SmithSep 2, 2025
Why does the pilot light on my Super Hot SGS Boiler fail after ignition trial?
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  sarahhernandezSep 2, 2025
  If the pilot lights on your Super Hot Boiler, but there is flame failure after the trial for ignition, it could be due to incorrect pilot flame pressure; set the pilot pressure to the correct pressure. Poor connections in the wiring to the flame sensor can also cause this issue; repair the wiring. Additionally, the electrodes may be damaged, so replace them. The ignition electrodes might also be improperly adjusted; correct the adjustment of the electrodes.
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Sara HenrySep 4, 2025
Why won't the flame stay established on my Super Hot SGS Boiler burner?
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  Sheri ThomasSep 4, 2025
  If the burner starts on your Super Hot Boiler, but the flame will not stay established, it could be due to ignition electrodes that are wet, dirty, or improperly adjusted (for electronic ignition only); check, clean, change, and/or adjust the electrodes. Another possible cause is poor connections in the wiring to the flame sensor; repair the wiring.
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Megan BergerSep 6, 2025
Why is my Super Hot SGS overheating but the system stays cold?
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  Betty CarterSep 6, 2025
  If your Super Hot Boiler is overheating and the system remains cold, it could be due to insufficient circulation; check the pump, clean it, and replace it if necessary. Air trapped in the piping can also cause this issue; purge the system. Improper system wiring is another potential cause; test and correct the wiring.
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Jordan ZimmermanSep 8, 2025
What causes my Super Hot SGS Boiler and heating system to overheat?
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  Joe MartinezSep 8, 2025
  If your Super Hot Boiler and heating system overheat, it could be due to a faulty thermostat or controller; check, adjust, and replace if necessary. A faulty aquastat and/or safety high limit aquastat can also cause this issue; check, adjust, and replace if necessary. Faulty wiring is another potential cause; check the wiring for short circuits and repair.
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Angel PattersonSep 12, 2025
What causes pilot outages in my Super Hot SGS Boiler with a standing pilot?
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  John BenderSep 12, 2025
  Pilot outages with a standing pilot on your Super Hot Boiler can be caused by several factors. First, the pilot flame may be improper; adjust the pilot flame. Second, the thermocouple lead to the gas valve may be loose; check and tighten the lead. Finally, the thermocouple itself may be defective; replace the thermocouple.
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Jasmin LewisSep 13, 2025
What causes flame rollout on my Super Hot SGS?
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  Austin WallaceSep 13, 2025
  Flame roll out on ignition or during operation of your Super Hot Boiler can be caused by carbon build up on the heat exchanger, caused by improper venting, ventilation air or low return water temperature. In this case, have a qualified service technician inspect and clean the heat exchanger and check and adjust the system. Another cause is negative draft; check the venting.