Bypass kit for swimming pool heat pumps lets you control the water supply to your heat pump. Optimum heat pump adjustment is achieved by restricting the ball valve at the water outlet. Basic by-pass set for swimming pool heat pumps + solar systems, allows the connection of a heating system, which has 50 mm PVC adhesive sleeves. The bypass set basic comes disassembled.It must be self assembled. 3 x PVC-U ball valve diameter 50 mm | 2 x PVC-U T-piece diameter 50 mm | 4 x PVC-U pipe diameter 50 mm (10 cm length) | 1 x glue 125 g | 1 x cleaner 125 ml | 4 x hose clamp 32 - 50 mm | 4 x hose nozzle 50 x 38.