duct smoke detectors for sale, brand-new and used.

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New, LOT of 12 Siemens HFP series intelligent fireprint multi-criteria smoke and heat detectors. They are: 6 HFPT-11 Heat Detectors model number 500-033380 (all in box) 4 HFP-11 Detectors model number 500-033290 (3 in box, one has no box) 2 FP-11 Detectors (no box) These came from unused and liquidated stock of an electrical company. Most of these are brand new in box no writin

This is a lot of 3 system sensor DNR non relay duct smoke detectors. These are missing some of the plastic covers. Sold for parts or repair.

FireX®, the recognized leader in fire protection, brings you the latest in duct smoke detection technology. FireX Duct Smoke Detectors provide early detection of smoke and products of combustion present in air moving through an HVAC duct.

ESL Sentrol Air Duct Smoke Detector Model 609U01 Included: Smoke Detector Housing

We are cleaning out our Job trailer and finding all kinds of Goodies BRAND NEW OLD STOCK stuff we are no longer able to use. Some are Brand new in the Box un-opened and some have been opened BUT never been installed or used, some have the paper work and some do not from opening, this item does not have the paper work inside the box. This one HAS NEVER BEEN INSTALLED or used.

System sensor DNR intelligent non relay duct smoke detector new in the box free shipping

Brand new inbox...Never been used. SpecificationsAir Duct Velocity100 to 4000 ft./min. (0.5 to 20.32 m/sec)Alarm auxiliary contacts DPDT10A @ 30 VDC (resistive); 10A @ 250 VAC (resistive); 1/2 HP @ 240 VAC ; 1/4 HP @ 120 VACAlarm Current:65 mA @ 24VDC 135 mA RMS @ 24VAC 60

System sensor model number D4120 4 wire duct smoke detector

An HVAC system supplies conditioned air to virtually every area of a building. Smoke introduced into this air duct system is distributed to the entire building. Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct.

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This is a new Air Products and Control (AP) 4 Wire Conventional Duct Smoke Detector, Model No. SL-2000-N. This unit was bought to be used on a job, but was never installed.

System Sensor D4120 4 Wire Photoelectric Low-Flow Duct Smoke Detector The SYSTEM-SENSOR-D4120 4-wire photoelectric, low-flow, duct smoke detector senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of -4 degrees F to 158 degrees F, and a humidity range of 0 to 95 percent (non-condensing). A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance.

BRAND NEW IN BOX (Box is in good condition) SYSTEM SENSOR INNOVAIR FLEX MODEL # DNR INTELLIGENT NON-RELAY DUCT SMOKE DETECTOR MUST ORDER HEAD SEPARATELY

Brand new SIMPLEX AIR DUCT 4 WIRE SENSOR HOUSING W/RELAY SMOKE DETECTOR. $120 each or best offer. rocarolando@gmail.com

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APC Duct Smoke Detector PRODUCT APPLICATION: The SL-2000 Series Smoke Duct Detector is the latest innovation for early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential applications. The unit is designed to prevent the recirculation or spread of smoke by air handling systems, fans, and blowers. Complete systems may be shut down in the event of smoke detection.

NEW IN AN OEM FACTORY BOX ESL Sentrol Air Duct Smoke Detector Model 609U01 Included:

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