Firebird Boiler Thermistor Combi Part No: ACC000WTP

Genuine Firebird thermistor

• A thermistor reading is also responsible for telling the boiler when the temperature has fallen too low.
• When the temperature falls too low, this tells the boiler to switch on.
• This is called in-built frost protection, this ignites the boiler when the resistance reading drops below a certain point.
• Fits a variety of Firebird boilers.

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