# Union DoorSense J-8755 Acoustic Release Hold-Open Unit Red | Fire Door Retainers | Screwfix.com

**Manufacturer:** Union  
**MPN:** `J-8755`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Union |
| Manufacturer name | Union |
| Manufacturer | Union |
| Extra Product Name | Union DoorSense J-8755 Acoustic Release Hold-Open Unit Red \| Fire Door Retainers \| Screwfix.com |
| moq | 1 |
| MPN | J-8755 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | J-8755 |
| Brand | Union |
| Colour | Red |
| 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-8755 |
| Pack Size | 1 |
| Pieces in Pack/Case | 1 |
| Pre-Wired | Battery-Operated |
| Product Type | Acoustic Release Hold-Open Unit |
| Suitable Use Type | For Internal Use |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Screw Fix | J-8755 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/148500000/148835000/part_--J8755---Union--13099dea43.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp