GFS-83C-NPMPN

Air D/P Switch, 50-500 Pa (0.2″ to 2.00″ w.c.))adj. range, 1/2″NPT connection, CE, multi- pack 45 pces per carton https://downloads.greystoneenergy.com/Submittals/PS-GFSXXXMP.pdf https://downloads.greystoneenergy.com/Install%20Notes/IN-GE-GFSXXX.pdf