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Continue to ChatASCO 61001312 - 2/2, Feedback Input 0-20mA, Double Loop Cascade Control, G3/4, Series 610 ASCO Motorised Control Valve https://www.valves-direct.com/product/asco-61001312-2-2-feedback-input-0-20ma-double-loop-cascade-control-g3-4-series-610-asco-motorised-control-valve/