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Black pneumatic storm door closer with shock spring and mounting brackets

Prime-Line

Prime-Line K 5076 Storm Door Closer 9 in Black Medium Duty Shock Spring

SKU CH-MF6R-66GQ5

Medium-duty pneumatic storm-door closer with shock spring, adjustable closing speed, black finish and mounting hardware included

  • Size9 in (22.9 cm)
  • Product typeDoor Hardware & Components
  • Medium-duty pneumatic operation handles out-swinging wood or aluminium doors
  • Adjustable closing speed lets you set the right pull for each entry
  • Built-in shock spring cushions the final swing to prevent slamming
  • Black finish resists corrosion and matches common storm-door hardware
  • Supplied brackets and fasteners enable direct mounting with a Phillips screwdriver

Product identity

The Prime-Line K 5076 is a medium-duty pneumatic storm door closer designed for wood or aluminium out-swinging doors. It includes a shock spring to cushion the final travel and ships with all mounting brackets and hardware. A Phillips head screwdriver is the only tool required for installation.

Thermals noise power

Pneumatic operation means no electrical draw, no motor heat and no fan noise during use. The adjustable closing speed lets the installer set a gentle or firm sweep without affecting building energy consumption. Silent hydraulic damping keeps daily operation quiet in residential or light commercial entrances.

Build and connectors

Black finish resists corrosion on exterior door frames while the included brackets accommodate typical wood or aluminium jambs. Shock spring absorbs impact to protect both the closer body and the door structure over repeated cycles. Hardware pack provides screws for standard thickness materials so no extra fasteners are needed.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 60% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand namePRIME-LINE
Product typeDoor Hardware & Components
Size & build
Size9 in (22.9 cm)

Questions about this item

How do I install the 9 in closer and what is the step people most often miss?

Mount the closer to the door frame and the bracket to the door using the supplied hardware and a Phillips screwdriver; the step most often missed is aligning the bracket so the arm moves freely without binding.

What maintenance or replacement will the shock spring need over time?

The spring is sealed and not serviceable; if closing force drops or the door slams, replace the entire closer unit.

What limit appears first when the closer is used continuously on a busy entry?

The pneumatic cylinder will lose consistent speed control before any other part wears out.

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