
The Q120 20-Amp Single Pole Type QP Circuit Breaker is a solid choice if you want a durable, easy-to-install breaker that performs well in RV and transfer switch applications, especially with AC units like the Dometic 13900 BTU. While most users report excellent reliability and value, be aware that a small percentage of units may exhibit faults. If you want to ensure peace of mind, consider purchasing a spare breaker as a backup. Overall, this breaker delivers dependable performance that lasts, making it a smart, budget-friendly pick.
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