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verifying the continuity of this high-limit safety switch is standard procedure for contractors ensuring safe combustion sequences
it includes the necessary slots for the standard two-screw mounting configuration
Field technicians often encounter "pressure switch stuck open" errors due to failing diaphragms or scaled-out draft inducer assemblies
Use a calibrated manometer to verify the switch closes at the specific inches of water column required by the OEM equipment specifications
Resideo 50001464-001 Sensor Assembly verifying the continuity of thisThe Resideo 50001464 001 Sensor Assembly is a precision engineered 12 inch temperature sensor specifically designed as a direct replacement for L7224 and L7248 Series Aquastat controls. Also identified by part number 50001464 001 B, this Honeywell sensor assembly is a critical component for hydronic heating systems, providing the high accuracy NTC thermistor feedback required for optimal boiler water temperature monitoring. This OEM replacement sensor