The Walchem EZB20D2-VC pump is now obsolete and has been replaced by the EZB21D2-VC pump which has a new head and diaphragm design. Both the EZB20D2-VC and the EZB21D2-VC have the same specifications of 1.5 GPH, 60 PSI, on/off/speed control, 230 VAC , PVC/CE/FKM, 3/8" od. Many of the liquid end parts are also interchangeable between the two generations.
Please click here to view and/or purchase the new replacement pump and to view literature.