Question about DeLonghi IHF2 Heater

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Gas supply keeps cutting out

Gas bottle is full, but heater keeps cutting out. is there a filter or something that needs cleaning?

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  • Anonymous Mar 12, 2014

    When switched on lights and heater work then heater cuts out



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Flame detector's given up, mercury pressure developed from flame heating a small bulb and capillary pipe keeps gas flowing, they seem to fail over time. Not developing enough pressure and thus giving regulator a false flame out reading. dilonghi call them analysers. No fix - fir replacement prt

Posted on Mar 26, 2010


I'd be checking what the operating gas pressure is correct - when it's operating, not when it's stopped or off. My suspicion is that the gas pressure is incorrect & the regulator needs adjusting, or that the gas bottle is simply too small for the heater & can't evaporate enough gas to keep it going. You really need a gas expert to advise on site. Regards, Greg (Aussie gasfitter - too far to do house calls)

Posted on Sep 10, 2007


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Posted on Jan 02, 2017

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Bad propane gas bottle - is it possible to get bad gas in new propane bottles?

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How to clean gas heaters

Agas heater is a device that uses liquefied gas for heating. Since it isconnected to a gas source, cleaning it is quite easy. Keeping the gasheater in good condition by cleaning it from time to time is importantto prolong its durability. Cleaning the gas heater regularly is alsoimportant from a safety perspective, because deposits in the flue, oranywhere else in the device, can sometimes lead to problems.

  1. If the gas furnace is not running, the power could be disconnected, the motor overloaded, or the gas supply insufficient. Check each of these components individually, ensuring the gas heater has sufficient power and that the motor is running (you will be able to hear if it is running when it kicks on). Check the gas reserves tank to ensure there is gas in it. If these systems function properly and you are still having difficulty, your heater may need to be cleaned or repaired.
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My heater keeps blinking and a code on the top says 11...also ..if i unplug the unit while i wait for it to get fixed does the pilot light go out?

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