The Walchem EWN-B16VCURM pump is now obsolete and the replacement model is the EWP-075CVC07M-USR pump. For reference, the obsolete EWN-B16VCURM specifications were:
Series: EWN-R
Max Output: 1.0 GPH
Max Pressure: 105 PSI
Pump Head: PVC
Valve Seats: FKM
O-Rings: FKM
Valve Balls: Ceramic
Diaphragm: PTFE (+ EPDM Backer)
Gaskets: PTFE
Tubing: ⅜″ OD PE
Options: with Multifunction Valve
Electrical: 115V US Plug
Control Module: Manual Control, Pulse & Analog Input, Stop/Pre-Stop Input