dan_firkus In reply to Hi. My transformer looks by A Schuerger September 27, 2021 The Caleffi ZSR pump control that you have has the transformer soldered into the control board. You are not able to replace just the transformer, you will need to replace the entire unit. ReplyExpand Hide 1 Reply
The Caleffi ZSR pump control that you have has the transformer soldered into the control board. You are not able to replace just the transformer, you will need to replace the entire unit.