The following spare parts are available for the model number GS1500W:
Brackets & Fixings
| Part name | Also known as |
| GS-WMB - WALL MOUNTING |
Controls
| Part name | Also known as |
| 108221-RJ45-1 - Surface Mounted Control Panel | |
| AC-DC - Door Contact Set | |
| AC-TC - Honeywell Timeclock | |
| LPHWBU45-1 - Control Panel (base unit) | |
| SC-OS - Smartcom Outside Air Sensor |
Emergency Exit Kit
| Part name | Also known as |
| GS-FXT - Fire exit kit (finished in white) |
Filter
| Part name | Also known as |
| 1026664 - Inlet cover filter only GS | |
| 1026910 - Filter securing clip GS |