Oil pumps
Delta
VM
VM1RR1 4 (or 5) F84-220
1 pipe
Oil pumps
Danfoss
BFP 21 R3
071N7171
1 pipe
Comments & Remarks: This pump is delivered for 2-pipe operation. A changeover to 1-pipe operation is possible, see Change over 1-2 pipe.

F84-220: Indicates coil with loose cable and for 220 V, 50 Hz. If using other voltages a coil must be ordered extra: