The following spare parts are available for the model number XB300:
Burners
| Part name | Also known as |
| 05-10756 - Burner Lighter Hole |
Electrical Components
| Part name | Also known as |
| 06-00157-2A-G - 2 Amp Fuse |
Fans & Motors Axial/Main
| Part name | Also known as |
| 01-25854 - Motor 0.18Kw 1Ph | |
| 02-25723-01 - Fan Blade 28˚ | |
| STFM02 - Axial Fan Motor 125-400 post 1999 | main fan Motor 125-400 post 1999, centrifugal fan / motor assembly Motor 125-400 post 1999 |
| UCA0225712 - Axial Fan | main fan, centrifugal fan / motor assembly |
Fans & Motors Centrifugal
Gas Valves
| Part name | Also known as |
| 03-24979 - Gas valve 240v Honeywell | solenoid valve 240v Honeywell |
| 03-25146-0-57 - Solenoid Valve 240v (Alcon GB6B) with Ø5.7mm bypass 2 Stage Hi/Low (Pre 1990) | gas valve 240v (Alcon GB6B) with Ø5.7mm bypass 2 Stage Hi/Low (Pre 1990) |
| 03-25146-240-G - Alcon solenoid valve | Alcon gas valve |
| 03-25169-240v-G - SCEM gas valve | SCEM solenoid valve |
| 03-25279-220 - Valve 0.75 V4470P-20 | |
| 36-24976-01 - 3/4" Valve Flange Kit C/W Screws | |
| RG510 - 3/4" Modulating Regulator Valve 0-20V Dc |