The Walchem EHE55E1-VE pump is now obsolete and has been replaced by the EHE56E1-VE pump which has a new head and diaphragm design. Both the EHE55E1-VE and the EHE56E1-VE have the same specifications of 20 GPH, 30 PSI, a/d input, 115 VAC, PVC/CE/EPDM, 1/2" od w/MAVV. 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.