Search results

  1. P

    Changing Grasslin Tonerchron qm1 to R17-1 Zone time switch

    Can anyone help me out on changing this Grasslin QM1 to the EPH R17-1 or can I just change the white wire on the QM1 (common) to the common on the R17. Would be grateful for any help. EPH R17 last image
Top