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preventing hazardous unburned gas buildup and nuisance lockout codes
ensuring optimal combustion and efficiency across varying load conditions
and wastewater monitoring stations where field-proven durability is non-negotiable
allowing technicians to use existing pilot lines
McDonnell & Miller 304300 Snap Switch Els PW 17895 preventing hazardous unburned gas buildupThe 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
