McDonnell & Miller 304300 Snap Switch Els PW 17895 Can this be used on

Can this be used on R-410A systems

Key Benefits Adjustable Range: Precise

Key Benefits Universal Compatibility: Direct replacement for MARS 64 and 90-64

Installation Versatility: The non-positional design and snap-off bracket allow for seamless integration in any orientation

extending the operational life of the HVAC control transformer

McDonnell & Miller 304300 Snap Switch Els PW 17895 Can this be used onThe McDonnell & Miller 304300, also identified as the FS1 17 Snap Switch Assembly, is the critical single pole, double throw (SPDT) replacement component designed for Series FS1, FS4 3D, FS5, FS6, and AFE 1 liquid flow switches. This industrial grade switch is engineered specifically for high sensitivity applications in hydronic heating and HVAC systems where detecting low or moderate flow rates is vital for system protection. As an OEM replacement