MeiFlow M Sol-2R, air vent, With Grundfos UPM3 Solar 25 - 145 PWM

Two-line solar station S ¾; for collector surface up to 14 m² (Highflow) or 31 m² (Lowflow) with flow rate display 1 - 13 l/min. Solar pump module as 2-line model complete with or without recirculation pump (DN€‰15, installed length 130 mm), shut-off ball valves including thermometer and metallic backflow limiters (manually adjustable) integrated in the ball, recirculation pump suitable for solar applications, safety module including manometer with fill and drain valve and pre-installed safety valve, multi-functional fitting with flow rate controller or shut-off system, two fill and drain valves and connection for an expansion vessel on the suction side of the pump. With flow rate display (combination display for propylene glycol mixture 40% and water). Optionally with permanent air vent for the continuous separation of air. Digital temperature differential controller for thermal solar systems (1 collector field, 1 tank).