This Wilo product is a High-efficiency pump Wilo-Yonos MAXO-D, electronically controlled. Glandless twin-head pump, synchronous motor according to ECM technology and integrated power control for continuous differential pressure control. Can be used for all heating, ventilation and air-conditioning applications. Each pump can be operated in individual operation main or standby operation. For an automatic fault-actuated switchover, a corresponding switchgear must be provided onsite.

3 speed stages
LED display for setting the setpoint and displaying error messages
Electrical connection with the Wilo plug
Fault lamp and contact for collective fault signal