Sensing Edge Interface Designed to provide advanced safety and security to the door system in commercial environments. This device is intended for use with LiftMaster Logic Commercial door operators and compatible with 4-wire monitored sensing edges. This is a stand-alone reversing system and is not intend to be used in conjunction with any additional entrapment protection devices. A junction box, not provided, is recommend to protect exposed wiring. Compatible with Logic 5.0, Logic 4.0, Medium Duty Operators and Fire Door Operators. 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.