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    Home < Control Knobs

    Control Knobs

    Control knobs are very important components that allow users to regulate and adjust the settings of their boiler systems, this ensures that there is optimal heating and energy efficiency. Whether you’re replacing a worn-out knob or upgrading your existing boiler, here at National Boiler Spares, we offer a comprehensive selection of boiler control knobs suitable for various boiler models and applications.  

    Why do boiler control knobs matter?  

    Control knobs provide essential functions like temperature regulation, mode selection, and timer settings. Having fully functional control knobs is vital for many things such as:  

    • Accurate temperature control – to maintain a comfortable temperature throughout your building.
    • Energy efficiency – ensuring that your boiler runs efficiently and minimises energy waste which reduces utility costs.   
    • Safety – helps to prevent overheating or underheating which ensures that your system operates in safe parameters.   
    • Convenience – allow to make quick adjustments to your heating preferences with little effort.   

    We offer a variety of different control knobs, shop our range now including the alpha main selector knob, the Ariston boiler control knob 65100690, the Baxi boiler control knob, the Baxi Genesis control knob, and many more.   

    Controll Knobs – FAQs  

    What does the control knob on a boiler do?  

    The control knob on a boiler adjusts the temperature of the water that is pumped through to the radiators.   

    What is the dial on a boiler?  

    The dial on the boiler is usually the thermostat which controls the flow of the temperature of the water that goes to the radiators.   

    What controls the temperature in a boiler?  

    A boiler’s temperature is controlled by the thermostat and other controls.   

    What are the controls of a boiler?  

    Boilers have loads of different controls, these include room thermostats, boiler interlock, boiler sequencer, cylinder or pipe thermostats, flame safeguard, limit control, remote monitoring, blowdown valve, and finally, vent heads.