Chemetronics WPB/MPB-504 Weather Proof Heat Detector

Chemetronics WPB/MPB-504 – Weather Proof Heat Detector The Chemetronics WPB/MPB-504 Weather Proof Heat Detector is a rugged fixed-temperature heat detector designed for use in environments requiring protection against weather, moisture, and internal condensation. Part of the Series 500 Special Assembly Heat Detectors, this model is engineered for dependable operation in industrial and outdoor fire protection applications. The WPB/MPB-504 features a 190°F (88°C) fixed-temperature sensor and a durable weatherproof assembly consisting of a cast metal back box, gasketed steel cover plate, and protective wire guard. Four threaded 1/2-inch conduit entrances allow secure installation in demanding environments while helping prevent moisture intrusion. Designed for property protection applications where smoke detectors may not be practical, the detector provides reliable heat detection in areas with high humidity, dust, vibration, or rapidly changing environmental conditions. Key Features Weather/moisture-proof fixed-temperature heat detector 190°F (88°C) fixed-temperature activation Heavy-duty cast metal weatherproof enclosure Includes gasketed cover and protective wire guard Four 1/2″ rigid conduit entries for secure installation Designed for harsh industrial and outdoor environments Suitable for areas where smoke detectors are impractical UL-listed and FM-approved for fire protection applications Download Datasheet