Union J-8755 Acoustic Release Hold-Open Unit Red Product Code: 3603T

Holds the door open, but releases upon the sound of a fire alarm being activated. Timer included for automatic closing. Completely retrofits similar products.


  • Maximum Door Weight 160kg
  • Battery-Operated
  • For Internal Use
  • Easy to Install
  • No Wiring Required
  • Completely Retrofits Similar Products


2 x C batteries supplied.
Additional Information
Technical Specification
  • Brand : Union
  • Product Type : Acoustic Release Hold-Open Unit
  • Max Door Weight : 160 kg
  • Suitable Use Type : For Internal Use
  • Model No : J-8755
  • Colour : Red
  • Pack Size : 1
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
Product Contents
Delivery & Returns


Standard delivery service up to 3 working days: €8.95

Free delivery on all orders over €70.00

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€118.95 Incl. 23% VAT

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