Thermostat limit switch for sw series water heaters — dc12v, resettable, rated to 130°F Why you need this Restores reliable hot water quickly: replaces a failed thermostat limit switch so your water heater returns to normal operation without long wait times. Improves safety during use: builtin reset function lets you safely recover from an overtemperature or emergency trip without replacing the whole unit. Prevents returns and fit issues: designed specifically for sw series water heaters to ensure proper fit and function. Key benefits and features Function: Acts as the temperature limit and safety cutout for the heater, interrupting power when the set limit is reached and allowing a manual reset when safe. Voltage and performance: dc12v switch rated to operate up to 130°F, supporting fast restoration of hot water while protecting the heater from overheating. Compatibility: Specifically designed for sw series water heaters — direct replacement to avoid fit problems and returns. Installation: Simple to install with common household tools; no complex equipment required, minimizing service time. Practical reliability: Reset capability provides a practical, lowcost safety and recovery option without replacing major components. Practical use scenarios Home bathroom : Quickly swap the failed limit switch on an sw series shower water heater to restore hot water for daily use. Property maintenance: Keep a replacement on hand for rental units or multifamily properties so maintenance staff can resolve heater trips and safety cutouts onsite. Service calls: Technicians can use this switch to perform a fast, safe during a service visit, reducing downtime for the customer. What to expect Directfit replacement for sw series units to minimize installation errors. Manual reset for emergency recovery after an overtemperature event. Straightforward installation with no special tools required. Note: Match this thermostat limit switch to your sw series model before to ensure compatibility.