12 duct for sale, brand-new and used.

New General Eastern RH-3 Duct Mount Humidity Transmitter also has label CPC Computer Process Controls 0-5 volt output 12-36 VDC input 9" probe mounted on a 4" square box

ITEM: Flex Duct Wire 12" x 25' section SEC1225 This is ONE section of flex duct for sending the 'bad air/negative air' to other areas.

ITEM: 1 Case Flex Duct Wire 12" x 25' Section - 6 Sections / Case SEC1225 This is ONE CASE / 6 sections of flex duct for sending the 'bad air/nega

WORKING IN PERFECT CONDITION (original price $8499, ASKING FOR $2900 OBO --Dual motor and blower unit, this powerful and extremely portable duct cleaning system is ideal for residential and light commercial air duct cleaning. The slim, narrow three piece design allows the system to be maneuvered through the tightest doorways and staircases.

PHOTOELECTRIC SMOKE DETECTOR FSD-751PLA Intelligent Low-Flow Photoelectric Duct Smoke Detectors with FlashScan 2-Wire Intelligent Photoelectric Low Flow Duct Smoke Detector. Addressable low-flow duct detector housing with photoelectric smoke detector with ULC listing. *** NEW – UNOPENED BOX ***

4 in. Goose Neck Vent - Roof Cap in Black Master Flow Roof Attic Top Exhaust Vent Ventilator Cap Cover Goose Neck HVAC New The Master Flow 4 in. Goose Neck Vent in Black can be used to cover exhaust pipes extending through your roof or for attic ventilation.

The vent fits duct size 2 X 12. Vent programs to automatically open & close which control airflow in unoccupied rooms day or night. ·

Industry standard NEMA-1 / IP-30 galvanized sheet metal enclosure designed for all industrial and commercial duct temperature sensing applications. Hermetically sealed, fast response 304 SS probe crimp attached to the enclosure flange to provide a low profile mating surface, external mounting bracket to conform to uneven surfaces, keyed enclosure cover to swing open without removing the screws, 1/2" conduit opening, are some of the features which improve reliability and lower installation cost.

Reflectix DW1202504 Spiral Duct Wrap

PRODUCT OVERVIEW Model # AAV6 Internet # 204091135 This room addition vent kit contains most of the ducting items needed in most standard room additions. The kit includes 12 lin. ft.

BOSCH Security Systems D285DH Photoelectric Duct Smoke Detector Head (12 VDC or 24 VDC) Commercial or residential applications Two-wire or four-wire application, depending on base Chamber Check rapid-flash LED Automatic Trouble Indication reports contaminated chamber Flashing LED power indicator Steady-

INDUSTRIAL GRADE AIR DIFFUSER Specifications:Square Ceiling 3-Cone Air Diffusion Pattern 360 DegSteel Construction W

The RH210 series uses a highly accurate and reliable Thermoset Polymer based capacitance humidity sensor and Platinum RTD temperature sensor together with state-of-the-art digital linearization

brand new ships fast Accord Ventilation model ABSWWH2124 is a white, 12-Inch x 4-Inch(Duct Opening Measurements), sidewall/ceiling register with a 2-way design. To determine the correct size to order, measure the size of the duct opening (not the old vent itself). Each Accord Ventilation product is crafted using high quality materials that provide strength and durability.

PVT has designed a Duct-Whip® to clean any air duct surface in residential or commercial HVAC duct systems. PVT’s Fiberglass Heads have smaller leads, and with restricted airflow, are perfect for fiberglass, lined or plastic ducts. The DW201 is for use on metal ducts in a Forward motion .

PVT has designed a Duct-Whip® to clean any air duct surface in residential or commercial HVAC duct systems. The DW300 is for use in metal ducts in a Reverse motion so you can clean ducts in finished ceilings without cutting holes. This model uses a DW203 replacement whip sold in packages of 36.