Compare the Simplex 4099-9004, 4099-9006, and 2099-9756 manual pull stations, including their addressable or conventional system type, single-action or double-action operation, key features, applications, installation requirements, and maintenance considerations.

The **Apollo Discovery Category O Sounder VAD Base with Isolator 45681-700** combines audible alarm notification, white-flash visual warning, detector mounting, and short-circuit isolation in one compact addressable device. Suitable for commercial, healthcare, educational, residential, and industrial applications, it helps improve occupant notification, protect the fire alarm loop, and support a cleaner installation.

Discover how Apollo XP95 Interfaces support reliable fire alarm system integration by monitoring external devices, controlling relay-operated equipment, connecting conventional circuits, and enabling programmed cause-and-effect operations.

Discover the **Apollo Discovery Waterproof Manual Call Point 58200-950 and 58200-951 with isolator**, designed for reliable manual fire alarm activation in outdoor, industrial, commercial, and moisture-prone locations.

Discover the **Apollo Discovery Manual Call Point 58200-910 and 58200-908 with isolator**, designed for reliable addressable fire alarm activation, accurate device identification, easy resetting, and improved loop protection in commercial and industrial buildings.

The **Apollo Addressable XPERT 7 Base 45681-210** provides secure detector mounting, organized loop wiring, and accurate address configuration for compatible Apollo fire detection systems. Its XPERT addressing technology helps simplify detector replacement, reduce addressing errors, and support reliable fire alarm monitoring in commercial, residential, institutional, and industrial buildings.

The **Apollo Discovery Heat Detector 58000-400** provides reliable analogue-addressable heat detection for commercial, industrial, and institutional applications. Designed for areas affected by dust, steam, fumes, or airborne particles, it supports accurate temperature monitoring, individual device identification, and dependable fire alarm system performance.

The Apollo Discovery Ionisation Smoke Detector 58000-500 is an analogue-addressable fire detector designed to detect smoke particles from fast-burning fires. It supports selectable response modes, accurate device identification, and reliable integration with compatible Apollo fire alarm systems.

The Simplex 4099-9004 Single-Action Addressable Manual Pull Station provides fast and reliable manual fire alarm activation for commercial, institutional, and industrial buildings. It features a clear pull-down mechanism, individual device addressing, and compatibility with Simplex IDNet and MAPNET II fire alarm systems.