Macurco Residential Combustible Gas Detector is a lightweight and aesthetically pleasing gas detector made to keep you and the people you care about safe from harmful gases in residential and light commercial applications. The GD-2B is a low voltage (9-32VDC, 12-24VAC) electronic detector of combustible, heating type gases. The GD-2B is designed for connection to Fire Alarm/Burglary Control Panels. Alarm control panels that work on 12 or 24 VDC can provide battery backup to the GD-2B detectors. This combustible gas detector has been designed for methane (natural gas) and propane (LP) gas. The GD-2B has a SPST Alarm relay, for connection to control panels or other devices. It is NOT designed to detect smoke, fire or carbon monoxide.

Applications: Homes, Schools / university dorms, Hotels / condos, Offices, Retail stores, Common rooms / lobbys, Apartments, Airports, Other light commerical environments.

• 12-24 VAC or VDC input
• Flush or Surface Mount Enclosure
• N.O. or N.C. Alarm Relay
• N.C. Trouble/Supervisory relay
• 10 Year electrochemical sensor
• Coverage Area: 900 sq. ft.
• Alarm Setting 25% of LEL per UL 2075
• Meets UL Standard 2075
• Sensitivity tested based on UL 1484 standard for residential gas detectors
• Detects heating gases: propane (LP), natural gas (methane)
• SPST alarm and trouble relays
• Can be self-restoring or latching
• 10 year solid-state electronic sensor: no maintenance or recalibration
• Temperature compensated
• Simple installation and operation
• Supervised sensor
• Aesthetically pleasing. Flush mount or surface options
• Ties into any Fire/Burglary panel for local and remote monitoring
• Made in the USA

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