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The On/Off Switch is a simple yet essential control component for heating systems. It allows users to manually turn the appliance or a specific function on or off. As a basic part of boiler spare parts and burner spare parts, this switch is often used for power control, reset functions, or mode selection. Durable and easy to install, it is a common replacement item during boiler maintenance or repair. When your existing switch becomes faulty or unresponsive, replacing it with a quality on/off switch restores full control over your heating equipment.