HIGH PERFORMANCE HORIZONTAL SAND FILTERS For commercial swimming pools and other water applications and filters up to 27 sq. ft. of filtration area. Various sizes and configurations to fit almost any body of water. Pentair has a state-of-the-art horizontal sand filter unlike any other on the market. The THS Series filter is an NSF-approved 50 psi rated tank with flow rates up to 535 gpm in a single tank. The filter shell is manufactured from a long-lasting composite laminate that makes winding unnecessary. A special coating gives the THS Series filter a smooth and attractive finish. An interior coating protects wet surfaces. STANDARD FEATURES • Manway in front for easy access and smaller footprint. • 34" diameter tanks will fit through standard doorway. • Optional manual, semi-automatic, or fully automatic backwash systems. • Accessible drain. • Influent manifold distribution to help prevent clogging. • Single-bolt saddles for easy leveling. • NSF Listed.

THS SERIES HIGH PERFORMANCE HORIZONTAL SAND FILTERS THS 3404, THS 4272, THS 4204, THS 4296 MATERIALS AND DESIGN Tanks • Construction - Multi-layer engineered fiberglass crafted of chopped glass and directional roving in an isopthalic polyester matrix. • Operating Pressure - Capable of withstanding 50 PSI internal pressure. Internals • Headers - One influent header is fitted with sufficient distributors to properly distribute incoming flow evenly across the sand bed surface. An additional effluent header is supplied with sufficient laterals equally distributed not less than 12 inches below the...

FILTER PERFORMANCE Filter Accessories Information 155700 THS Single Tank Manifold Kit w/ Butterfly Valves 155720 THS Dual Tank Manifold Kit w/ Butterfly Valves 155701 THS Single Tank 6 in. FP Kit w/ Diaphragm Valves 155721 THS Dual 34 in. dia. 6 in. FP Kit w/ Diaphragm Valves 155730 THS Dual 42 in. dia. FP Kit w/ Diaphragm Valves 155800 WA-KIT Wedge Anchor Kit 155850 BVA-KIT V2 in. Ball Valve Adapter Kit for manual air relief 155702 THS3461 Single Tank Manifold Kit w/ Butterfly Valves 155703 THS3461 Single Tank Manifold Kit w/ Diaphragm Valves 155722 THS3461 Dual Tank Manifold w/ Butterfly Valves...

HIGH PERFORMANCE HORIZONTAL SAND FILTERS ENGINEERING SPECIFICATIONS The filter system shall be a model______as manufactured by Pentair, and shall be approved by the National Sanitation Foundation (NSF). The system shall contain______high rate type filter tanks, with each tank containing ______square feet of filter area totaling_______square feet of effective filtration area. The system shall have the capacity of filtering ___ gpm when filtered at______ gpm per square foot. Each tank shall be of the horizontal type,______inch inside diameter and _______ inches long. The vessel(s) shall be constructed...