The Walchem EWB31F1-VC pump is now obsolete and has been replaced by the EWN-B31VCUR pump which has more I/O and, therefore, offers greater flexibility. Both the EWB31F1-VC and the EWN-B31VCUR have the same specifications of 3.3 GPH, 30 PSI, DIGITAL INPUT, PVC/CE/FKM, 1/2" OD, 115 VAC.
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