Apollo Heat Detector, 17 → 28V dc Apollo Heat Detector, 17 → 28V dc, Series: Series 65, MPN: 55000-122 GBP 28.33 1
Apollo Optical Smoke Detector, 9 → 33V dc Apollo Optical Smoke Detector, 9 → 33V dc, Series: Series 65, MPN: 55000-317 GBP 56.09 1
