Commercial Smoke Detector Replacement & Parts
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Apollo (ORB-OP-42001-MAR) Orbis Marine Optical Smoke Detector
$65.99 Read more -

Apollo (ORB-HT-41005-MAR) Orbis Marine Heat Detector (Cr)
$42.99 Read more -

Apollo (ORB-HT-41001-MAR) Orbis Marine Heat Detector (A1R)
$37.99 Read more -
![Apollo (58000-600MAR) Discovery Marine Optical Smoke Detector [Sil2]](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMgAAADIAQAAAACFI5MzAAAAAnRSTlMAAHaTzTgAAAAcSURBVFjD7cGBAAAAAMOg+VNf4QBVAQAAAAB8BhRQAAEAnyMVAAAAAElFTkSuQmCC)
Apollo (58000-600MAR) Discovery Marine Optical Smoke Detector [Sil2]
$137.99 Read more -

Apollo (58000-400MAR) Discovery Marine Heat Detector [Sil2]
$114.99 Read more -

Apollo (55000-317APO) Series 65 Optical Smoke Detector, White
$40.99 Read more -

Fire-Lite (SD365-IV) Addressable Low-Profile Photoelectric Smoke Detector; Ivory; Clip &…
$210.99 Read more -

Fire-Lite (H365R-IV) Addressable Heat Detector W/Rate-Of-Rise Thermal Sensor; Ivory; Clip &…
$212.99 Read more -

Fire-Lite (H365HT-IV) Addressable High Heat Detector; Ivory; Clip & Litespeed; Includes Base
$250.99 Read more -
Protectowire (PHSC-135-XLT-M) Linear Heat Detector Cable, (135°F/138°C), Type Xcr In Msg, 1,000 Feet
$3,703.99 Read more -
Protectowire (CTM-230E) Interface Module For Protectowire Type Cti Linear Heat Detector In A…
$1,195.99 Read more -
Protectowire (CTI-190-XCR) Confirmed Temperature Initiation Linear Heat Detectors
$1,737.99 Read more

![Apollo (58000-600MAR) Discovery Marine Optical Smoke Detector [Sil2]](https://www.lifesafetycom.com/wp-content/uploads/2026/05/58000-600MAR-200x200.jpg)







