WATER TREATMENT SAND FILTER MADE OF FIBREGLASS REINFORCED POLYESTER Filter sand Specially made filter sand, washed and screened. Item no. Particle size mm Between pump and filter, for filter type 520 and 640. Including couplings. 516401 PVC connecting pipe 0 50 mm with %" thermostat connection. 516402 PVC connecting pipe 0 50 mm with 90° angle. 516405 Connecting hose, flexible PVC 0 50 mm. Precision thermostat with graded scale for temperature setting. Sand filter 520, bronze valve Sand filter 520, plastic valve Equipped with a 160 mm probe. Item no. Temperature range • Strong and robust design, made of fibreglass reinforced polyester - For optimum quality and life • Drain plug - For draining of water, for instance when emptying the pool for the winter. • 6-way valve made of bronze - Simple cleaning and backwashing of the filter. • 6-way valve made of ABS - High quality, sturdy construction, simple cleaning and backwashing of the filter. • Pressure gauge - Shows the need of backwashing. • Sight glass - Shows when the water is clean after backwashing. * Note! Recommendation for private pools. Technical data Item no. Type Suitable * Suitable Filter area Net weight Sand Total weight kg Dimensions Central valve pump kW water volume m3 m2 kg kg sand + water H (mm) 0