Smith 100277765 Thermal Switch is a critical safety component designed for high-limit temperature protection in residential and commercial water heaters

maintaining the accuracy required for industrial and commercial gas-fired equipment

but the dimensions and material specifications remain the same

this manual reset switch terminates the electrical circuit to the gas valve when thermal thresholds are exceeded

this brass refrigerant adapter is fully compatible with copper

Rheem-Ruud 47-102473-02 Limit Switch Smith 100277765 Thermal Switch isThe Rheem Ruud 47 102473 02 Limit Switch is a critical safety component designed for high limit temperature monitoring in furnace and air handler applications. As a veteran grade OEM furnace replacement part, this device features a fixed 170F open temperature and a 150F close temperature, maintaining a precise 20F differential. This SPST normally closed switch serves as the primary protection against heat exchanger overheating, automatically breaking