Garage Door Opener & Signal Device Hardware

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Pneumatic controls are used as safety devices in commercial and industrial settings for when the door closes. The air hose on the bottom of the door detects an increase in pressure if the door hits something. The opener then reverses rather than causing injury or damaging the door.

Pneumatic controls should be set to shut off when the door is about two inches off the floor. This keeps the door from opening back up when the bottom of the door hits the floor.



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Huge inventory of parts and 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. Please contact us for specialty springs such as TorqueMaster, EZ Set, self-Storage, and steel rolling door springs as many of these have been subject to supply chain shortages. Larger 3 3/4" commercial and industrial springs may require an week to ship; other springs may require three to four weeks to process.

COVID update. No mask, no service! When picking up parts please wear a mask. We'll gladly provide one. Please honor the six foot social distancing rule. Thank you for your patience and understanding.

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.