Automatic booster pump,circulating pump With long life, low noise, no ... without abrasives, which are non-aggressive fro the pump materials.2.For heating plants.3.For circulating ... clean liquids without abrasives,non-aggressive for the pump materials.i: Maximum glycol quantity:40%ii: ... Pump modelPower(w)Max.flowl/minMax.headMInlet/outletInRS-90 9016 9 1"RS-12014523121" Automatic hot water booster pump, ...