Belimo FM400 SKU: FM400 $5,145.30 $11,434.00 Quantity -+ Add to Shopping Cart In Factory Stock Details Belimo FM400 : 4" Flow Sensor, ANSI Class 125, ∆p 1.75 psi, FS 380 GPM, Power Supply 24V, Output Signal 0-10VDC, 5-Year Warranty Data Sheet Installation Instructions DetailsData SheetInstallation Instructions Back Belimo FM400 : 4" Flow Sensor, ANSI Class 125, ∆p 1.75 psi, FS 380 GPM, Power Supply 24V, Output Signal 0-10VDC, 5-Year Warranty Back Back