Universal replacement standard back plates for ATTs and ATTsi alarm heads, maintaining full water resistance via the rubber gasket recess and allowing optional betalight fitting.
- Rubber gasket recess — ensure gasket is positioned twist-free and seated flush
- Betalight slots on ears for glue-fit of 6mm × 2mm Gardner Betalights (sold separately)
- Fits both original ATTs and ATTsi (underlit) alarm heads
| ATTs Back Plate |
1 |
ATSBP1 |
6.99 |