The Zodiac R0023000 High-Limit Switch is an essential safety component intended for HVAC systems, specifically to prevent overheating in various types of equipment. This switch works by monitoring the temperature of a system and triggering when it hits 150°F, turning off power to avoid potential damage or risks. Its proportions are 7.5" by 5.5" by 1.25", making it both compact and effective. The high-limit switch is critical for ensuring safe operation in heating systems such as furnaces and boilers. By ensuring that temperatures do not exceed safe limits, it prevents both the equipment and the surrounding environment from overheating. This not only extends the life of the HVAC equipment, but also improves user safety.

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