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SL-Series Lock-End Extension Springs for One-Panel Doors are the
tension coils used for tilt-to-open garage doors. They are specifically
engineered for use with E900-R Tension-Lift Hardware Kit for Single-Panel Garage Doors.
The interlocking claws at each end form a closed loop for added holding
force. Features a tightening fastener at the axis of the pivoting claws
to hold each end hook in place. Secured with the W or C-Hook joining
hardware to spring wall anchor on the bottom and kicker assembly at the
top. Single-panel tilt-to-open doors have their tensioning springs
mounted laterally meaning a worn down spring can be a direct hazard in
addition to affecting the strength of every moving part of the door.
Replace old springs with durable and long lasting SL-Series Lock-End
Extension Springs for Single-Panel doors from Action Industries.
HOW TO DETERMINE YOUR GARAGES SPRING SIZE
Examine the label at the end/s of your existing springs
FIRST LETTER/S: these determine the securing mechanism or type of spring. A lock end springs label will start with SL
FIRST NUMBER: this is the gauge of wire that the coil is crafted from. A 7 means 7-gauge wire
SECOND NUMBERS: these determine the physical length of the spring
If your spring is missing its label
Get a tape measure or ruler
Place sideways over the coil to get the diameter
Place it lengthwise and measure the length of ten coils, then divide this number by ten. This will give you the wires size/gauge
PRODUCT HIGHLIGHTS | SPECS | TECH
Curved, locking pins secures spring at both ends
Rated for 9000 cycles of operation
When adding to cart, please select a spring size:
SL728 - 28 IN Lock-End Spring (.177 IN #7 Wire)
SL730 - 30 IN Lock-End Spring (.177 IN #7 Wire)
SL732 - 32 IN Lock-End Spring (.177 IN #7 Wire)
SLR729C - 29 IN Lock-End Spring (.177 IN 7-Gauge Wire)
Designed for use with the E900-R Tension-Lift Hardware Kit for Single-Panel Garage Doors
Replacing hook/joining hardware to match tensioning of a new spring is strongly recommended
