5 PSI and a standard temperature range

Structural Integrity: Constructed from high-grade steel to resist warping under high-load operating conditions

the internal bimetal disc has likely failed or reached its end of service life

the unit is designed for closed-loop systems carrying hot or chilled water

ensuring the oil sump temperature remains above the system's dew point

McDonnell & Miller FS8-W Switch Freon 5 PSI and a standardAs a seasoned technician, you know the McDonnell & Miller FS8 W Flow Switch is the industry standard for rugged, reliable liquid flow monitoring in high stakes environments. This unit, part number 120601, is the direct replacement for the legacy FS8 WG flow switch and is designed specifically for general purpose applications that demand a NEMA 4X rated enclosure. Whether you are dealing with indoor moisture or or outdoor exposure, the water tight and