Cleveland Controls DFSL-CO Switch and relays in residential and

and relays in residential and light commercial heating and cooling systems

Correct installation of this boiler water level indicator is vital for maintaining the low-water cut-off safety protocols and preventing dry-fire conditions

or corrosion are present

non-adjustable setpoints eliminate the risk of field errors or unauthorized adjustments to system safety limits

While both provide 2 SPDT 10A contacts

Cleveland Controls DFSL-CO Switch and relays in residential andThe Cleveland Controls DFSL CO is a heavy duty, factory set air pressure sensing switch designed for reliable performance in duct heaters, ovens, and sophisticated energy management systems. As a veteran preferred air flow proving switch, this non adjustable unit is engineered to actuate at a precise fixed set point of 0. 2" WC on a pressure rise. Its SPDT (Single Pole Double Throw) contact arrangement provides maximum flexibility, allowing for both