Field Interchangeability: This unit is functionally identical to the Johnson Controls V47AR-3C

One controls the interval between valve openings (minutes)

For sidewall or horizontal termination

With a 300 PSI max inlet pressure and a 180F maximum temperature rating

McDonnell & Miller FS7-4SW Snap Switch Els PW 17895 Field Interchangeability: This unit isThe McDonnell & Miller FS7 4SW is a heavy duty, industrial liquid flow switch engineered for high pressure applications requiring precise flow monitoring. Featuring a 1 1 4" NPT connection and a 316 stainless steel body, this unit is rated for line pressures up to 1000 PSI (70 kg cm). The integrated single pole double throw (SPDT) snap switch provides reliable signaling for starting or stopping motors, burners, or alarms based on flow velocity. For