Cleveland Controls DFS-448-153 Switch provided the line-to-line voltage is

provided the line-to-line voltage is within the 190-600V window

eliminating the risks associated with generic "one-size-fits-all" components

preventing ignition failures and potential damage to the ignition module

the switch opens the electrical circuit to shut down the heating element or burner

using this OEM replacement part ensures the heating system operates within the manufacturer's designated BTU input parameters

Cleveland Controls DFS-448-153 Switch provided the line-to-line voltage isThe Cleveland Controls DFS 448 153 is a purpose built air flow switch designed for critical monitoring in industrial HVAC systems, air handling units, and duct heaters. This fixed set point air pressure switch is factory calibrated to actuate on a pressure rise of 0. 05" 0. 02" w. c., providing high accuracy sensing for equipment safety and cycle control. Featuring a SPDT switch configuration (Single Pole Double Throw), it facilitates versatile wiring