*** We no longer carry this part. *** LiftMaster 041K0811 Interface Card, CPS3CARD The 041K0811 Card (also called CPS3CARD) allows the addition of a second set of monitored photo eyes (CPS-U, CPS-OPEN4, CPS-RPEN4 or CPS-UN4) or a monitored edge (OES) to a Logic 5.0, L4 or L3 UL325 Operator. This is an optional Interface Card. For use with Liftmaster® Commercial Door Operator Photo Eyes (CPS-U) when a second set of monitored photo eyes or a monitored edge to a door opening is needed. Check the manual or parts diagram for specific part information before ordering to ensure compatibility. IMPORTANT: Due to supply chain shortages we currently do not offer quantity discounts, and for some of our products we are limiting the quantities that may be purchased.
Huge inventory of torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship. You'll also find TorqueMaster Springs, Extension Springs, Self-Storage door springs, steel rolling door springs and springs for one piece single panel doors.
Shelves packed with every part you need to fix your doors.
Please note. Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.