Tekmar Controls 260 Control 321894-709 provided the 1/2 HP and

provided the 1/2 HP and 120V ratings match

or sluggish valve response caused by packing friction or calcification

Is the 110108MF-397 compatible with my older Armstrong S-25 pump

When you're out in the field doing a motor swap on a Trane air handler or condenser unit

Tekmar Controls 260 Control 321894-709 provided the 1/2 HP andThe Tekmar Controls 260 Control is a reliable, microprocessor based solution engineered for 120Vac single stage boiler applications requiring outdoor temperature reset or domestic hot water (DHW) priority. As a veteran in the field, you know that maximizing efficiency means matching supply temperature to actual demand. The 260 achieves this using characterized heating curves, which adjust the boiler water temperature based on outdoor conditions,