Velocity Boiler Works (Crown) 96-023 Switch 318518-761 and ensure stable branch duct

and ensure stable branch duct pressure throughout the HVAC network

requiring immediate replacement to prevent refrigerant discharge

While bushings can be used

5" diameter adjustment

an ASME Section VIII or Section IV valve specifically rated for lead-free or potable requirements should be used

Velocity Boiler Works (Crown) 96-023 Switch 318518-761 and ensure stable branch ductThe Velocity Boiler Works (Crown) 96 023 is a precision engineered manual reset spill switch designed for critical safety monitoring in hydronic heating systems. Rated for 340F, this SPST (Single Pole Single Throw) switch provides high limit protection by detecting flue gas spillage or excessive temperatures at the draft hood. When the thermal limit is exceeded, the switch interrupts the electrical circuit to shut down the burner, preventing hazardous