While the motor is sold separately

Common Questions What does the red LED indicator signify on the RIB2401SB

Whether you are troubleshooting a rooftop unit or a furnace blower assembly

Universal compatibility as the Honeywell A505-1 replacement for standard HVAC controls

Integrating this replacement control board restores factory-spec communication between the indoor fan motor and the outdoor unit

Grundfos 99490916 Pump 322838-753 While the motor is soldThe Grundfos 99490916 ALPHA2 26 99F is a high efficiency variable speed circulator designed for closed loop hydronic and radiant heating systems. This model features a rugged cast iron pump housing and advanced ECM motor technology, providing up to 85% energy savings compared to standard fixed speed pumps. Technicians can leverage the AUTOADAPT functionality, which automatically analyzes system requirements and find the optimal duty point to match