and S1-2702-331P

What is the difference between the 4PDT configuration and standard DPDT relays

Dual-Scale Monitoring: Provides real-time PSI and Fahrenheit readings on a single interface for efficient system diagnostics

and 75-gallon power-vented models

not for use with direct spark or hot surface ignition models

Lochinvar & A.O. Smith 100165927 Flame Sensor 340793-762 and S1-2702-331PThe Lochinvar & A. O. Smith 100165927 Flame Sensor is a critical safety component for maintaining the flame rectification circuit in high efficiency heating systems. Designed specifically for the Lochinvar Cadet series, including CDN040, CDN070, CDN100, and CDN120 models, this OEM part ensures the ignition control module correctly detects the presence of a burner flame. This sensor plays a vital role in preventing unsafe gas accumulation by signaling