Liebert B02-0190S Sensing Switch 321042-401 the FS4-3DS flow switch offers

the FS4-3DS flow switch offers the versatility required for industrial boilers

Standard brazing equipment and nitrogen purging are required to ensure a contaminant-free and secure installation into the copper refrigerant circuit

It can be manually reset once the fault is cleared

With a 1/2" NPT connection and a flow coefficient of 2

Will this fix a furnace that is short-cycling

Liebert B02-0190S Sensing Switch 321042-401 the FS4-3DS flow switch offersThe Liebert B02 0190S is a high precision differential pressure switch engineered specifically for technical cooling environments, including data centers and server rooms. As an OEM Airflo Sensing Switch, this component is critical for monitoring velocity and static pressure within Liebert DS and InteleCool 2 units. It functions by detecting minimal pressure variations to ensure constant air circulation over sensitive electronic components, triggering