McDonnell & Miller FS7-4WJ Switch R-134A ensuring a seamless mechanical fit

ensuring a seamless mechanical fit and consistent electrical ratings

This model uses SPST contacts that break upon a rise in temperature to the setpoint

This thermostatic expansion valve operates effectively within a temperature range of -40°F to 50°F (-40°C to +10°C)

bushings (standard and extra-long)

McDonnell & Miller FS7-4WJ Switch R-134A ensuring a seamless mechanical fitThe 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