Ferroli Rendimax 23 CE User Manual (English)

Questions and Answers:

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Angela BrownAug 17, 2025
What to do if the main burner fails to ignite on my Ferroli Boiler?
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  murrayedwardAug 17, 2025
  If the main burner on your Ferroli Boiler fails to ignite, there are several potential causes. First, ensure that there is current; if not, restore it. Second, the nozzles might be blocked, requiring a thorough cleaning. A faulty gas valve could also be the culprit, which would need repair or replacement. Finally, the flue gas thermostat may have been activated and needs manual resetting.
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Mark SchultzAug 19, 2025
What to do if the pilot burner fails to ignite in my Ferroli Boiler?
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  Carly RichAug 19, 2025
  If the pilot burner fails to ignite in your Ferroli Boiler, there are several possible reasons. First, check if the gas cock is open, as there might be no gas supply. Second, there could be air in the pipes, requiring you to vent as described in the section on ignition. A blocked pilot nozzle is another possibility; if so, clean the nozzle with compressed air. Lastly, insufficient gas flow could be the issue; adjust the flow using the screw on the valve.
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Jamie LucasAug 22, 2025
How to deal with incorrect flame regulation in my Ferroli Rendimax 23 CE?
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  Evan HaynesAug 22, 2025
  To address incorrect flame regulation in your Ferroli Boiler, check the flow rate at the gas meter and pressure at the main burner.
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Allen TuckerAug 25, 2025
What causes the thermostat to trip too high on my Ferroli Boiler?
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  davisdanaAug 26, 2025
  If the thermostat on your Ferroli Boiler trips too high, it could be due to the thermostat bulb being out of its sheath, in which case you should check the bulb is well inserted. It may also be due to faulty adjustment on the panel, so see section on adjustment.
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charlesleblancAug 27, 2025
Why does my Ferroli Boiler smell of unburnt gas?
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  vavilaAug 28, 2025
  A smell of unburnt gas from your Ferroli Boiler can be due to several reasons. The boiler body might be dirty, requiring a check and clean. Insufficient flue draught could also be the cause, so its efficiency should be checked. Additionally, insufficient air change in the room could be the problem, suggesting a need to improve room ventilation.
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Deborah HooverAug 30, 2025
Why does the pilot light go out on my Ferroli Boiler?
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  Kayla SmithAug 30, 2025
  If the pilot light on your Ferroli Boiler keeps going out, it could be due to a few reasons. A faulty thermocouple might be the cause, in which case you should control or replace it. Incorrect flame adjustment could also be the problem; adjust the flame using the screw on the gas valve. Insufficient flame can also cause this, so adjust the flame until it envelopes the. Lastly, poor contact with the gas valve coil could be the issue; tighten the connector on the gas valve.
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Matthew BrownSep 2, 2025
What causes a blowout at the main burner of my Ferroli Rendimax 23 CE Boiler?
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  ibrownSep 2, 2025
  A blowout at the main burner of your Ferroli Boiler can occur due to a few reasons: * Insufficient gas: Control gas pressure at the main burner. * Dirty boiler: Check and clean the boiler. * Dirty burner: Check and clean the burner.
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Martha HannaSep 5, 2025
Why is there condensation in my Ferroli Rendimax 23 CE?
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  pnorrisSep 5, 2025
  Condensation in your Ferroli Boiler can be attributed to several factors. It could be due to faulty thermostat adjustment, so adjust the thermostat to a higher temperature. Faulty flame adjustment may also be a cause, requiring you to check that the main burner flame is properly adjusted. Additionally, insufficient gas consumption could be the issue, so check gas consumption is correct.
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ecoxSep 7, 2025
What to do if my Ferroli Rendimax 23 CE Boiler functions, but the temperature fails to rise?
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  Christine RichardSep 7, 2025
  If your Ferroli Boiler is functioning but the temperature isn't rising, consider these potential issues: * Incorrect flame adjustment: Check gas consumption is normal. * Dirty boiler: Check and clean the boiler body. * Boiler inadequacy: Check that the boiler is the right size for the C.H. system.
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Jason FlemingSep 10, 2025
Why does my Ferroli Boiler become dirty easily?
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  Mary SantanaSep 12, 2025
  If your Ferroli Boiler becomes dirty easily, it could be due to faulty flame adjustment. Check that the main burner flame is adjusted properly and that gas consumption is in line with boiler output.