air proving switch for sale, brand-new and used.

SENSITIVE DIFF PRES CTL; DIFF AIR PRESSURE SWITCH; SPDT; .05/5'WC; ADJ. SETPOINT; W/SCALE "U" This differential pressure switch is for air only.Use for air flow proving with electric duct heaters, humidifiers, etc., maximum air flow control for variable volume systems, reheat duct powered systems, clogged filter detection, and detection of icing of air conditioning coils and initiation of defrost cycle.

Cleveland Controls AFS-A Furnace Burner Air Airflow Pressure Sensing Switch ITEM DESCRIPTION: Unused, no packaging. ACCESSORIES: None. No manual, cables, or other accessories.

The JD-2 die cast aluminum air pressure switch is suitable for industrial applications. The design assures safety, repeatability and efficiency with precise proving of air flow. The reliable JD-2 switch is adjustable within its factory set range.

The JD-2 die cast aluminum air pressure switch is suitable for industrial applications. The design assures safety, repeatability and efficiency with precise proving of air flow. The reliable JD-2 switch is adjustable within its factory set range.

Model AFS-222-112 Air Pressure Sens- ing Switch is a general purpose proving switch designed for HVAC and Energy Management applications. It may be used to

ECON AIR DIRECT GAS FIRED INDUSTRIAL AIR HEATER NON-RECIRCULATING * DELIVERS TEMPERED MAKE UP AIR ROOF TOP UNIT with CONTROL BOX ****INDOOR OR OUTDOOR USE**** Model No: AA-4-ETL ~ Serial No: 13626-4 1,800 CFM Air Volume 230 Volts - 60 Hertz - 1 Phase - 10.2 Full Load Amps - 1.5 HP PRODUCT OVERVIEW: The Direct Gas Fired Make-Up Air is designed to deliver tempered make-up air for installations requiring frequent air changes. This unit is

Pyronics / Selas Air or Fuel Gas Pressure Switch PS-O .2"-2" WC Estimated Retail Price - $635.00 This is a Model PS-O

I am selling a new Barksdale E1H - H250 Sealed Piston Switch .690-17.2 Bar & 69.0 Bar. It is one of the top-of-the-line

PVG-300 POWER VENTER 24V GAS VENTER, 4" INLET (Pressure switch and post purge controls are included) ITEMS INCLUDED:

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Thanks for looking at my items. I am splitting my time between two cities. I try to schedule auctions to end when I am where the item is, and they should ship within two days of the end of the auction.

Cleveland Controls RSS-495-210 Low Pressure Switch Kit Mfg. #: RSS-495-210 Range: Adjustable 0.25 to 1.0 W.C. (28"WC=1PSIG) Temp.

JOHNSON CONTROLS P32AF-2C, SPDT, SENSITIVE DIFFERENTIAL PRESSURE SWITCH, LOW PRESSURE AND HIGH PRESSURE PORTS. .5-5.0 INCHES WATER COLUMN, BRAND NEW IN FACTORY BOX WITH INSTRUCTIONS, NEVER USED, NEVER INSTALLED, PERFECT! FREE PRIORITY SHIPPING USING BUY IT NOW!!

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Guardian 100 Specs:Max BTU Input 100,000Min BTU Input 50,000Inlet Pressure- Nat Gas 7.0 in W.C.Galvanized Steel CabinetDimensions- 29.5 in(L) X 14.3 in(W) X 18 in(H)Shipping Weight- 70 lbs Backed by L.B. White’s 40 years as the leader in swineconfinement heating, Guardian forced air heaters offer anefficient direct-fired design combined with a range of heat