Praher Plastics E-55-T22E TM-22-E Black Body Assembly for Aquastar Comfort 6000 Multiport Valve. Aquastar Valves are constructed from corrosion-proof plastic protecting them from rust and oxidization. Praher Plastics is a leading producer of Thermoplastic Valves and Fittings. Easy to install and designed for durability, trust Praher for your pool or spa replacement parts.