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Union DoorSense J-8755A Acoustic Release Hold-Open… (4516T)

£ 89.99INC VAT

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Union DoorSense J-8755A Acoustic Release Hold-Open Unit White (4516T)

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

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View all: Union Fire Door Retainers

£89.99INC VAT

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Union DoorSense J-8755A Acoustic Release Hold-Open Unit White is rated 5.0 out of 5 by 1.
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Rated 5 out of 5 by from Top job Used other makes ,but the value is excellent does the same job.
Date published: 2019-02-22
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What are the options on the timed release? Can it be set to release after a minute or so of being set?

Application I'm after is to allow a fire door to be temporarily fixed open while a disabled petspn passes rhrough, and then closes behind them so irs not left open.
Asked by: Keithage

Dose it come with black floor plate as shown in one picture for smoth floors

Dose it come with the floor plate for smoth floors
Asked by: sickie
Hi this lock comes with 2 floor plates included, both are suitable for flat floors. 1 incorporates a doorstop if one isn’t present already. thanks Union Consumer Team
Answered by: Union Customer Team
Date published: 2017-09-16

What's the expected battery life for this unit?

Asked by: Paddles
Hi Expected battery life is approx 18mths depending on usage Thanks Union Consumer Team
Answered by: Union Customer Team
Date published: 2017-08-26
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  • bvseo-msg: BV SEO Content for this product did not include verbose reviews.;
Specification
Brand Union
Colour White
Fire Rated (Yes/No) Fire Rated
Fire Rating Fire Rated to 30, 60 & 120mins
Manufacturer Guarantee 1 Year Guarantee
Max Door Weight 160 kg
Model Name DoorSense
Model No J-8755A
Pack Size 1
Parent Colour White
Pieces in Pack/Case 1
Pre-Wired Battery-Operated
Product Type Acoustic Release Hold-Open Unit
Suitable Use Type For Internal Use

Product contents

2 x C batteries supplied.