14 duct for sale, brand-new and used.

You are buying ONE Johnson Controls TE-6311V-2 Duct Probe Temperature Sensor with 1K nickel sensor ( 8" duct probe) Price includes FREE shipping in the USA.

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This is for a single Honeywell 12 inch duct temperature sensor, 20K ohms, Model Number: C7041B2013The item is new (older stock) still in manufacture's box. Since item is new, it is assumed to be working based on the manufacturer's testing.I was not able to test separately as I do not have the setup for this. The item comes with Honeywell's application and installation instructions.

This is the Most complete Professional Air duct cleaning and HVAC video inspection system that I have ever came across. This was purchased new a few years ago at a cost of over $2500 and never used on a job only tried out in my office and put away and never used. This system separates you from your competition and shows your customers how dirty their air ducts are and sells the job for you.

New, Never Used Duct plenum. Measurements are 22 x 16 x 14 as shown in pictures. This is a hiqh-quality distribution plenum with dual air filter slots on both sides of discharge.

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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

INNOVAIR FLEX (INNOVAIRFLEX).....SYSTEM SENSOR.....4 WIRE DUCT SMOKE DETECTOR.....MODEL D4120... ..MAKE YOUR OFFER AND SAVE MONEY

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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.

Donalson Torit DFT 3-12 Dust Collector System ***Excellent Operating Condition*** Torit Downflo DFT 3-12 Dust Collector New Cartridge Filters (12 new cartridge filters sold with unit)

Lot of THREE Buchi Rotavapor motors with lab glass TWO Buchi Rotovapor R motors w/ 2 condensers (chipped tubes) ONE Buchi Rotavapor motor RE 111 (broken duct tube) w/ intact glass head adapter

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Backdraft damper with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure. Fits 14" Round Duct • 20 gauge galvanized steel housing • Aluminum spring loaded butterfly damper blades • Damper seals against EDPM rubber gasket in closed position for minimal leakage • Gasket designed for use in temperatures from - 22F to 180F • Require from 0.04 to 0.08 inches W.G.