Failure device helps to prevent a garage door from failing in the event of spring breakage. Compatible with 1-3/4", 2", 2-5/8", 3-3/4" & 6" spring fittings (not for use with duplex springs) One device per spring required 3-3/8" shaft offset (optional extension bracket available) Right and left hand wound models available For use with 1" keyed solid shaft (1-1/4" option available) Limit switch mounting location provided 1,850 lb. in maximum per device

Commercial/Residential Spring Failure Device

Service Spring

  • $45.33

Failure device helps to prevent a garage door from failing in the event of spring breakage.
  • Compatible with 1-3/4", 2", 2-5/8", 3-3/4" and 6" spring fittings (not for use with duplex springs)
  • One device per spring required
  • 3-3/8" shaft offset (optional extension bracket available)
  • Right and left hand wound models available
  • For use with 1" keyed solid shaft (1-1/4" option available)
  • Limit switch mounting location provided
  • 1,850 lb. in maximum per device