The Walchem EWB15Y2-VC pump is obsolete and was replaced by the EWN-B16VC2Y pump which has a new head / diaphragm design and different control characteristics. Both the EWB15Y2-VC and the EWN-B16VC2Y have the same specifications of 1.0 GPH, 105 PSI, DIG/ANA INPUT, PVC/CE/FKM, 3/8" OD, 230 VAC.
