GFS-83U-NPIKG

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