A Garland 2200706 Retaining Nut holds the thermocouple firmly in place to maintain dependable sensing and steady performance.
The retaining nut holds the thermocouple in the correct position so it can accurately sense heat and maintain proper communication with the gas safety system. Its threaded design and durable construction matter because they keep the connection stable under repeated heating cycles, vibration and routine equipment use.
The retaining nut may need replacement if the unit shows intermittent burner operation, inconsistent heating or shutdowns caused by an unstable thermocouple connection. Physical signs can include stripped threads, looseness, corrosion or discoloration and environmental signs may include grease buildup, moisture exposure or heat-related wear that could weaken its fit over time.
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