Watts LFM115 GRV E 2 30 LS 4 Part of the LFM115 Series Window Well Extension Specifications Blowdown Outlet Connection Socket Specifications Blowdown Outlet Connection Socket Blowdown Outlet Size 1 4 IN Body Material Brass Body Pattern Wye Brand Watts Buy American Act Compliant NO EAN 098268285680 Epoxy Coating Type None Gasket Material NBR Inlet Connection Size 3 4 IN Inlet Connection Size Metric 20 MM Inlet Connection Type Socket Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Operating Temperature Celsius 178 This flange adapter kit is used on 3 inch Watts Series CSM 91 and TDV valves This pressure reducing control valve is designed to automatically reduce a fluctuating higher inlet pressure to a constant lower downstream pressure regardless of varying flow rates The quick closing action of the valve limits the possibility of damaging high inlet pressure from passing through the valve to downstream piping