Caleffi Series 255 Dual Line Pump Station Return and Flow, 3 Speed

Solar pump stations are pre-assembled and leak-tested. Safety relief valve. Ball valves with built-in fl ow checks in return (and fl ow for dual-line models). Temperature gauges in return (and fl ow for dual-line models). Pressure gauge. Manual air vent (dual-line models only). Expansion tank connection. Connections for fl ushing and fi lling. Foam insulation. Balance/fl ow meter: ½—5 gpm scale. Pump: Grundfos UP15-100 Performance: 36 feet head / 8 gpm. Safety relief valve: 90 psi. Max. working pressure: 150 psi. Max. working temp: 360ºF. Connections: ¾" female thread. Agency approval: cULus.