Features: The 006725F Auto Reset 135F High Limit Thermostat switches provides stable overheat protections for pool heaters (models 206A & 207A), automatically cutting power at 135°F to prevent overheating and resetting once temperatures normalize. Featuring precisions temperature control with a high limit setting up to 90°C and a ±0.01mm tolerance for consistent contact, this switches uses high temperature resistant plastic and metal components for durability in extreme environments. This essential pool heater thermostat component is designed for homeowners, hotel maintenance staff, and fitness center technicians managing 206A/207A pool heating systems. Install this high limit switches in residential pools, commercial hotel spas, or fitness center heating systems to maintain safe water temperatures and prevent equipment damage from thermal overload. Engineered with superior heat resistant materials that outperform standard plastic competitors, this auto reset thermostat switches ensures long term reliability for continuous pool heater operations. Specifications: Part Number: 006725F Extreme Temperature: 135℉ Component: Metal Size: Approx. 3.54x2.36x1.18inch(9x6x3cm) Applicable Model: For 206A, 207A, 266A, 267A, 406A, 407A, 185A, 185B, 265A, 265B, 335A, 335B, 336A, 337A, 405A, 405B Package Includes: 1 Set Upper Limit Automatic Reset switches note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.