the 100111337 is the direct spec replacement for Lochinvar XVR-50

the Nordyne 626499R Limit Switch is the direct OEM replacement you need to get the furnace back in sequence

What is the rotation of the 1173701 motor

and BV50 series

While designed as a direct Carrier OEM replacement part

Copeland 971-0092-42 Overload 326058-755 the 100111337 is the directProfessional grade Copeland 971 0092 42 Overload is a critical line break protective device engineered to safeguard HVAC compressors from catastrophic failure. As a veteran preferred internal overload protector, this component monitors both current draw and winding temperature, providing a reliable safety margin against motor burnout during locked rotor conditions or phase loss. Designed for seamless integration with single phase electrical systems,