Honeywell C6097B3051 Pressure Switch 320074-702 the internal diaphragm or coil

the internal diaphragm or coil has likely failed

and ET series

This model is specifically designed for R22 refrigerant systems

9 pitch range)

Honeywell C6097B3051 Pressure Switch 320074-702 the internal diaphragm or coilThe Honeywell C6097B3051 is a high performance diaphragm actuated safety limit switch engineered for precision monitoring of gas and air pressures. This gas pressure switch is a direct replacement for the 803113201 and features a manual reset mechanism that locks off once the set point is reached. Operating on a break on rise logic, the Honeywell C6097B3051 interrupts the NC to COM connection when pressure increases beyond your adjusted threshold,