Watts LFM115 GRV E 10-75 PI 3 - Part of the LFM115 Series roof-hatch-finder it secures both roofing membrane

it secures both roofing membrane and flashing around the stack opening to prevent leaks and maintain roofing integrity

UPC - 098268429008

and a pressure differential relief valve

Flashing clamp with integral gravel stop

UPC - 098268832099

Watts LFM115 GRV E 10-75 PI 3 - Part of the LFM115 Series roof-hatch-finder it secures both roofing membraneThis 3 inch ACV is armed with ArmorTek, a patented 3 part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion. 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