Watts LFF115 THD 11/2 - Part of the LFF115 Series chat-hdpe The Watts GRD-690 is a

The Watts GRD-690 is a shallow planter drain designed specifically for green-roof systems where subsurface drainage is required

Durable cast-iron body built for demanding lab environments

They are only able to ship with a qualifying Wellcraft System purchase

Heel-proof ductile iron grate designed for heavy load traffic environments

Co-plane rail straps or alignment features for consistent installation over long runs

Watts LFF115 THD 11/2 - Part of the LFF115 Series chat-hdpe The Watts GRD-690 is aThis 1 1 2 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 possible damaging high inlet pressure from