Liftmaster K21-5115 Power Transformer
Liftmaster K21-5115 Transformer
K21-5115 is a replacement transformer (120V, 24VAC, 40VA). For use with various LiftMaster® commercial door and gate operators. Also known as Liftmaster part numbers: 215115, 21-5115. Check the manual or parts diagram for specific part information before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.
