Programmable Thermostat

This double-pole limit switch/thermostat serves as a critical safety component for Nordyne and compatible HVAC systems. Designed to prevent dangerous overheating in air handlers and furnaces, this device maintains reliable temperature control with a 190 Degrees F setpoint, making it essential for residential and light commercial heating applications. The unit features a 3/4-inch OD capillary design that integrates seamlessly into existing Nordyne equipment. As a direct replacement for Nordyne models 626458, 626458A, and 626458R, this limit switch offers drop-in compatibility without requiring system modifications. The dual-pole construction enables simultaneous control of multiple circuits, providing enhanced safety redundancy. The compact black and silver housing is engineered for durability in the demanding environment of HVAC equipment. This limit switch functions as an automatic shutoff device, interrupting power to heating elements when temperatures exceed safe operating limits, protecting equipment from thermal damage and reducing fire risk. Ideal for maintenance technicians, HVAC contractors, and facility managers who need reliable overheat protection, this replacement component ensures continued system performance and safety compliance. Installation is straightforward for qualified technicians familiar with Nordyne equipment, and the device operates without requiring external power sources beyond standard HVAC system voltage. Stock this essential safety component to minimize downtime and maintain customer satisfaction in heating system repairs and preventive maintenance programs.