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TFS Flow Sensors – Installation Instructions
New and improved manual selector allows for hassle-free internal bleed without manipulating the position of the solenoid
4" Schedule
LL Designer - Spec Sheet
NDS - 78 - 4" Atrium Grate-Black "Model_RACHBX" TFS Flow Sensors – InstallationAtrium Grate Size: 4" Fits: 4" Sewer and Drain Pipe Fittings, 4" Corrugated Pipe and 4" Triple Wall Pipe Material: Foam Polyolefin Color: Black NDS grates are a proven alternative to traditional concrete drains with UV inhibitors are used to prevent fading and cracking from the sun, chemical resistant, rustproof and maintenance free, lightweight and easy to install. NDS has a full line of drainage products, fittings, and accessories available.