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Boiler Fault Codes - A guide to identifying your boilers ...

Check the resistor repeat the gas family check and enter the correct gas family. F.93 Gas group fault- Combustion quality outside the permitted range: Wrong gas restrictor recirculation wrong gas family internal pressure measuring point in venturi blocked (do not use lubricant on O-ring in venturi.). family check prematurely terminated.

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Troubleshooting Faulty Boilers: Boiler Frequently Needs Reset

Jan 26 2016 · My advice is to reset your boiler once or twice but if the problem persists get it checked out by a Gas Safe registered engineer who is experienced with troubleshooting faulty boilers. If you have to keep topping up your s pressure it may seem like a simple fix but it will only get worse with time and may cause other problems.

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