Raypak 001811F High Limit Switch L140F for 551/552 Series Pool Heaters

The Raypak 001811F is a high limit switch designed for use with Raypak 551 and 552 series pool and spa heaters, including models 1101 and 1102. This L140F limit switch serves as a critical safety component that monitors water temperature and automatically shuts down the heater if temperatures exceed safe operating limits, protecting both the equipment and users.

Key Features:

• Genuine Raypak OEM replacement part for reliable performance
• L140F temperature rating for precise high-limit protection
• Direct replacement for Raypak 551, 552, 1101, and 1102 series heaters
• Essential safety component to prevent overheating conditions
• Factory-specified part ensuring proper heater operation and warranty compliance

This high limit switch is a critical component in maintaining safe heater operation. When water temperature reaches the preset limit, the switch automatically interrupts power to the heater, preventing potential damage to the heat exchanger and ensuring safe pool or spa conditions. Regular replacement of limit switches as part of routine maintenance helps ensure continued safe and efficient heater performance.