GEA WTT GBS220 heat exchangerThe heat exchanger below is replaceable 1 on 1 with the GEA WTT GBS220 without having to modify the pipeworkGBS 220H-10GBS 220H-14GBS 220H-20GBS 220H-24GBS 220H-30GBS 220H-34GBS 220H-40GBS 220H-50