McDonnell & Miller 307000 Snap Switch Els PW 17895 0 mV pp) prevents signal

0 mV pp) prevents signal interference in sensitive HVAC transducers and sensors

Utilizing a Maxitrol replacement spring allows contractors to modify gas pressure settings without replacing the entire valve body

Key Benefits Precise Thermal Cut-Out: Pre-set to 145°F to provide an accurate safety response during overheating events

Critical Safety Protection: Monitors internal plenum temperatures to prevent heat exchanger damage

McDonnell & Miller 307000 Snap Switch Els PW 17895 0 mV pp) prevents signalThe McDonnell & Miller 307000 Snap Switch (Model Number FS7 31) is an essential replacement SPDT snap action switch designed for field repairs of high performance liquid flow switches and air flow switches. This single pole double throw component is engineered to restore precise electrical signaling in the FS7 4 Series, including the FS7 4L, FS7 4S, and FS7 4E hazardous location models. It is also the correct OEM replacement part for AF 1, AF 2, and