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The power switch harness is a critical electrical component for burner spare parts and boiler systems. This harness connects the power switch to the control board, enabling reliable on/off operation of your heating equipment. Made from durable materials, it ensures consistent electrical conductivity and long-lasting performance. If your boiler or burner fails to start or has intermittent power issues, a faulty power switch harness could be the cause. Replacing it with this genuine-style part restores proper function and safety. Ideal for technicians and DIY enthusiasts working on gas burner parts or general boiler maintenance and repair parts.