McDonnell & Miller FS7-4WJ Switch 321702-401 For dead-end or liquid service

For dead-end or liquid service requiring tight shut-off

maintaining the required 120V to 12000V step-up ratio and mounting footprint

ensuring your 3

Key Benefits: Direct Retrofit Compatibility: Replaces obsolete 543-0135-01

9 Amp rating reduces strain on the dual-run capacitor and control board

McDonnell & Miller FS7-4WJ Switch 321702-401 For dead-end or liquid serviceThe McDonnell & Miller FS7 4WJ Flow Switch (Part Number 120261) is an industrial grade liquid flow switch engineered for high pressure applications where environmental protection is paramount. This unit features a 1 1 4" BSPT connection and is housed in a rugged NEMA 4X enclosure, providing superior resistance against corrosion, moisture, and debris in mechanical rooms or processing plants. Rated for a maximum pressure of 300 PSI (21 kg cm), the FS7