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    Industrial HVAC Components & Controls

    Enhance climate control efficiency with quality air handlers, actuators, and boiler controls, tailored for reliable HVAC performance in commercial and industrial settings.

    Optimize your HVAC systems with our comprehensive range of high-quality components and controls. Our HVAC selection features air conditioners, air handlers, boiler controls, flame/spark rods, and HVAC actuators to meet your industrial and commercial heating, ventilation, and air conditioning needs. Whether you're maintaining commercial buildings, optimizing industrial HVAC systems, or upgrading climate control in manufacturing facilities, our comprehensive range of HVAC components ensures peak performance and efficiency in your heating, ventilation, and air conditioning applications. Shop now for top-quality HVAC components and systems to optimize your industrial climate control.

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    Results 451-500 of 852.
    HONEYWELL MP909E-1034

    HONEYWELL

    MP909E-1034

    DAMPER ACTUATOR PISTON PNEUMATIC 5-10PSI
    ✓ IN STOCK!
    $475.15 Buy Surplus As Low As $361.12
    $361.12
    Repair Yours $300.00
    HONEYWELL MN6120A1002

    HONEYWELL

    MN6120A1002

    DAMPER ACTUATOR, 24 VAC, 50/60 HZ, 6 W, REPLACES ML6474A1008
    ✓ IN STOCK!
    $541.00 Buy Surplus As Low As $300.30
    $300.30
    Repair Yours $300.00
    HONEYWELL MN6110A-1003

    HONEYWELL

    MN6110A-1003

    DAMPER ACTUATOR NON-SPRING RETURN 88 LB-IN (10 NM) FLOATING CONTROL 24 VAC/DC -15% +20% 50/60 HZ DIRECT COUPLED ACTUATOR. (N1024) GSA GS-07F-9515S
    ✓ IN STOCK!
    $226.59 Buy Surplus As Low As $172.21
    $172.21
    Repair Yours $300.00
    HONEYWELL 310623

    HONEYWELL

    310623

    PACKING FLOUROPOLYMER CONE, 1/4IN FOR V5011, GLOBE VALVES
    ✓ IN STOCK!
    $26.56 Buy Surplus As Low As $20.19
    $20.19
    INGERSOLL RAND 59066-11

    INGERSOLL RAND

    ARO

    59066-11

    356 FLUID POWER, ACTUATOR SS
    ✓ IN STOCK!
    $112.84 Buy Surplus As Low As $85.60
    $85.60
    Repair Yours $300.00
    INGERSOLL RAND 25341-010

    INGERSOLL RAND

    25341-010

    FILTER, HEAVY DUTY, 250 PSI MAX PRESSURE
    ✓ IN STOCK!
    $281.00 Buy Surplus As Low As $133.39
    $133.39
    JOHNSON CONTROLS D-9502-604

    JOHNSON CONTROLS

    D-9502-604

    ARM ASSEMBLY, OPERATING SPAN LEVER, FOR D-9502 POSITIONERS
    ✓ IN STOCK!
    $49.00 Buy Surplus As Low As $21.05
    $21.05
    HONEYWELL ML8175A-1009

    HONEYWELL

    ML8175A-1009

    DISCONTINUED BY MANUFACTURER, DAMPER ACTUATOR, DIRECT COUPLED ,SPRING RETURN,
    ✓ IN STOCK!
    Buy Surplus As Low As $78.68
    $78.68
    Repair Yours $300.00
    JOHNSON CONTROLS AS-VAV141-1

    JOHNSON CONTROLS

    AS-VAV141-1

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, VARIABLE AIR VOLUME CONTROLLER, W/ SCREW TERMINALS, 6X BINARY OUTPUTS, 2X ANALOG OUTPUTS, 30-30 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $534.29
    $534.29
    Repair Yours $449.00
    DWYER A-254

    DWYER

    A-254

    PRESSURE SNUBBER,BRASS,14 MALEFEMALE NPT. ROHS COMPLIANT: YES , A-254
    ✓ IN STOCK!
    $33.00 Buy New $33.00
    $26.00
    HONEYWELL 221508A2

    HONEYWELL

    221508A2

    RESISTOR BOARD ASSEMBLY, SCREW TERMINALS, USED WITH SERIES 2 / SERIES 3 MODUTROL IV MOTORS, -18/55 DEGREES C TEMPERATURE RANGE
    ✓ IN STOCK!
    $274.00 Buy Surplus As Low As $173.34
    $173.34
    Repair Yours $300.00
    JOHNSON CONTROLS AS-UNT111-0

    JOHNSON CONTROLS

    METASYS

    AS-UNT111-0

    DISCONTINUED BY MANUFACTURER, UNITARY CONTROLLER UNIT, 24 VAC POWER, BLADE-STYLE TERMINALS
    ✓ IN STOCK!
    Buy Surplus As Low As $266.18
    $266.18
    Repair Yours $300.00
    RITTAL 3329.540

    RITTAL

    3329.540

    COOLING UNIT, SK SERIES, E-COMFORT CONTROLLER, 9392BTU/H, 400/460VAC, 3-PHASE, 3.7/3.8A, 50/60HZ, SHEET STEEL MATERIAL, WALL MOUNTED, NEMA 12/IP34/IP54, REPLACES 3329.140
    ✓ IN STOCK!
    $7,413.00 Buy New $7,413.00
    $4,492.48
    RITTAL 3328540

    RITTAL

    3328540

    (SK 3328.540), COOLING UNIT, WALL MOUNTED, 3 PHASE, 400/460 VAC, 50/60 HZ, 0.3-4 KW, SHEET STEEL, IP34, **REQUIRES TO SHIP VIA FREIGHT TRUCK**, SUGGESTED REPLACEMENT FOR 3328.140
    ✓ IN STOCK!
    $6,587.00 Buy New $6,587.00
    $3,757.20
    EBM PAPST W2G110-AK43-31

    EBM PAPST

    W2G110-AK43-31

    (PRICE/EA) AXIAL FAN, 119MM, 24VDC; SUPPLY VOLTAGE VDC:24V; FAN FRAME TYPE:SQUARE; FAN FRAME SIZE:119MM; EXTERNAL DEPTH:38MM; BEARING TYPE:BALL BEARING; AIR FLOW - CFM:156CFM; NOISE RATING:5 ...
    ✓ IN STOCK!
    $124.00 Buy Surplus As Low As $82.00
    $82.00
    EBM PAPST RL90-18/56

    EBM PAPST

    EBM

    RL90-18/56

    AC FLAT PACK BLOWER, 121 X 37MM, 230V; BLOWER TYPE:FLATPAK; SUPPLY VOLTAGE:230VAC; VOLTAGE TYPE:AC; FAN FRAME SIZE:121MM; EXTERNAL DEPTH:37MM; AIR FLOW - CFM:23.5CFM; AIR FLOW - M3/MIN:0.665 ...
    ✓ IN STOCK!
    $122.43 Buy Surplus As Low As $73.46
    $73.46
    EBM PAPST RL65-21/14H

    EBM PAPST

    RL65-21/14H

    FAN, RADIAL, 24VDC, 97X94X33MM, 35.9CFM, 0.75A, 18W, 4900RPM, 2WIRE, BB, IP20
    ✓ IN STOCK!
    $87.10 Buy Surplus As Low As $52.26
    $52.26
    EBM PAPST RG125-19/12N

    EBM PAPST

    RG125-19/12N

    DC FLAT PACK BLOWER, 180 X 40MM, 12V; BLOWER TYPE:CENTRIFUGAL; SUPPLY VOLTAGE:12VDC; VOLTAGE TYPE:DC; FAN FRAME SIZE:180MM; EXTERNAL DEPTH:40MM; AIR FLOW - CFM:51.5CFM; AIR FLOW - M3/MIN:1.4 ...
    ✓ IN STOCK!
    $136.08 Buy Surplus As Low As $81.65
    $81.65
    Repair Yours $300.00
    EBM PAPST QG030-303/12

    EBM PAPST

    QG030-303/12

    DC CROSS FLOW BLOWER, 47.5 X 50MM, 12V; BLOWER TYPE:CROSSFLOW; SUPPLY VOLTAGE:12VDC; VOLTAGE TYPE:DC; FAN FRAME SIZE:47.5MM; EXTERNAL DEPTH:50MM; AIR FLOW - CFM:82CFM; AIR FLOW - M3/MIN:2.33 ...
    ✓ IN STOCK!
    $182.53 Buy Surplus As Low As $109.52
    $109.52
    Repair Yours $300.00
    EBM PAPST G2E140-AL30-48

    EBM PAPST

    G2E140-AL30-48

    AC CENTRIFUGAL BLOWER, 118 X 130MM, 115V, BLOWER TYPE:CENTRIFUGAL, SUPPLY VOLTAGE:115V, CURRENT TYPE:AC, FAN FRAME SIZE:247MM, EXTERNAL DEPTH:130MM, FLOW RATE, METRIC:5.01M /MIN, FLOW RATE, ...
    ✓ IN STOCK!
    $563.02 Buy Surplus As Low As $337.81
    $337.81
    Repair Yours $300.00
    UNITED TECHNOLOGIES 33CSZC-PI

    UNITED TECHNOLOGIES

    CARRIER

    33CSZC-PI

    DISCONTINUED BY MANUFACTURER, ZONE CONTROL, ZONE IAQ CAPABILITY
    ✓ IN STOCK!
    Buy Surplus As Low As $1,171.02
    $1,171.02
    BELIMO NMB-24-3

    BELIMO

    NMB-24-3

    DAMPER ACTUATOR, 90 IN-LB [10NM], NON FAIL-SAFE, 24 VAC/DC, ON/OFF/FLOATING POINT
    ✓ IN STOCK!
    $259.00 Buy Surplus As Low As $121.82
    $121.82
    Repair Yours $300.00
    MASTER APPLIANCE 30312

    MASTER APPLIANCE

    30312

    REPLACEMENT HEATING ELEMENT; ACCESSORY TYPE:HEATING ELEMENT; FOR USE WITH:MASTERFLOW HEAT BLOWER; PRODUCT RANGE:-; SUPPLY VOLTAGE VAC:120V ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $51.00 Buy New $51.00
    $32.10
    KELE & ASSOCIATES HD20K

    KELE & ASSOCIATES

    HD20K

    HUMIDITY TRANSMITTER, 2 WIRE, 4/20MA
    ✓ IN STOCK!
    $338.00 Buy Surplus As Low As $134.53
    $134.53
    HONEYWELL RA890F-1296

    HONEYWELL

    RA890F-1296

    DISCONTINUED BY MANUFACTURER, PROTECTORELAY, FLAME SAFETY. FLAME CONTROL , 208VAC ,15 SEC/3 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,967.41
    $1,967.41
    Repair Yours $1,650.00
    ALERTON TX-MQ-WSHP

    ALERTON

    TX-MQ-WSHP

    DISCONTINUED BY MANUFACTURER PROGRAMMABLE CONTROLLER, 24 V AC, 0.5 AMP MAX, 10-70 VA, 4-20 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $1,118.96
    $1,118.96
    Repair Yours $980.00
    EBM PAPST 8124-K

    EBM PAPST

    PAPST

    8124-K

    DISCONTINUED BY MANUFACTURER, AXIAL FAN; CURRENT TYPE:DC; SUPPLY VOLTAGE:24VDC; SERIES:8100; EXTERNAL HEIGHT:80MM; EXTERNAL WIDTH:80MM; EXTERNAL DEPTH:38MM; FAN FLOW RATE:35CFM; NO
    ✓ IN STOCK!
    Buy Surplus As Low As $50.00
    $50.00
    RITTAL 3383.110

    RITTAL

    3383.110

    DISCONTINUED BY MANUFACTURER, AIR CONDITIONING UNIT, 4460 BTU, 115 VAC, 50/60 HZ, TYPE 12 STEEL, ROOF MOUNT, BASIC CONTROL, RAL7035, NANOCOATED CONDENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As $2,549.84
    $2,549.84
    RITTAL 3366140

    RITTAL

    3366140

    DISCONTINUED BY MANUFACTURER, COOLING UNIT, WITH BASIC CONTROLLER, 400VAC (3PH/50HZ), 460VAC (3PH/60HZ), SHEET STEEL CASE, 910/860M3/H (EXTERNAL/INTERNAL) AIR FLOW, NANOCOATED CONDENSER, R13 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $6,034.00
    $6,034.00
    RITTAL 3149810

    RITTAL

    3149810

    PAGODA FAN 470CFM 115V STEEL RAL 7035 ROOFMTG, 50/60HZ
    ✓ IN STOCK!
    $864.00 Buy New $864.00
    $657.00
    Repair Yours $431.00
    RITTAL 3286870

    RITTAL

    3286870

    AIR DUCT SYSTEM, FOR ROOF-MOUNTED COOLING UNITS, FOR ROOF-MOUNTED AIR/WATER HEAT EXCHANGERS, SHALLOW DUCT CAN BE CUT TO DESIRED LENGTH
    ✓ IN STOCK!
    $492.00 Buy New $492.00
    $374.00
    RITTAL 3286310

    RITTAL

    3286310

    METAL FILTER, ALUMINIUM MATERIAL, FOR COOLING UNITS AND AIR/AIR HEAT EXCHANGER, FOR SK 3302./3303./3361./3126
    ✓ IN STOCK!
    $296.00 Buy New $296.00
    $225.00
    RITTAL 3247.000

    RITTAL

    3247.000

    DISCONTINUED BY MANUFACTURER, HEAT EXCHANGER, 230 VAC (50/60 HZ), 0.43-0.5 AMP, 1-10 BAR OPERATING PRESSURE, 200-400L/H USEFUL COOLING OUTPUT, 51DB NOISE, 4 AMP FUSE, WALL-MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $2,964.00
    $2,964.00
    Repair Yours $1,943.00
    RITTAL 3213310

    RITTAL

    3213310

    AIR DIVERTER FOR AC 3304 3305, SK 3304...SK 3305...
    ✓ IN STOCK!
    $194.00 Buy New $194.00
    $129.00
    Repair Yours $300.00
    RITTAL 3148007

    RITTAL

    3148007

    ROOF VENT, WITHOUT FAN, STEEL RAIL, 7035, RAL7035
    ✓ IN STOCK!
    $241.76 Buy New $241.76
    $113.88
    JOHNSON CONTROLS P-3800-1

    JOHNSON CONTROLS

    P-3800-1

    RESET VOLUME CONTROL NO/DA NC/RA
    ✓ IN STOCK!
    $346.27 Buy Surplus As Low As $207.76
    $207.76
    HONEYWELL T7005A-1011

    HONEYWELL

    T7005A-1011

    DISCONTINUED BY MANUFACTURER, SPACE SENSOR, RTD, 3000 OHM, PLATINUM, 50-85 F
    ✓ IN STOCK!
    Buy Surplus As Low As $70.88
    $70.88
    UNITED TECHNOLOGIES HH-18HA-350

    UNITED TECHNOLOGIES

    CARRIER

    HH-18HA-350

    HI LIMIT M/R SWITCH
    ✓ IN STOCK!
    $53.10 Buy New $53.10
    $31.59
    UNITED TECHNOLOGIES CEPL110104-02

    UNITED TECHNOLOGIES

    CARRIER

    CEPL110104-02

    PC BOARD DEFROST CONTROL
    ✓ IN STOCK!
    $38.60 Buy New $38.60
    $26.72
    Repair Yours $300.00
    HONEYWELL ML8185C-1008

    HONEYWELL

    ML8185C-1008

    ACTUATOR SPRING RETURN DIRECT COUPLED
    ✓ IN STOCK!
    Buy Surplus As Low As $208.42
    $208.42
    Repair Yours $300.00
    HONEYWELL 123514A

    HONEYWELL

    123514A

    TESTER CONFIGURATION PLUG, FLAME SIMULATOR, USED WITH RM7838B AND RM7838C SERIES, REPLACES 121708
    ✓ IN STOCK!
    $214.81 Buy Surplus As Low As $123.42
    $123.42
    HONEYWELL W7751B-2002

    HONEYWELL

    W7751B-2002

    DISCONTINUED BY MANUFACTURER, CONTROLLER BOARD, VAV II
    ✓ IN STOCK!
    Buy Surplus As Low As $551.30
    $551.30
    Repair Yours $519.91
    SMC AMP220-N03B-RT

    SMC

    AMP220-N03B-RT

    EXHAUST CLEANER, AMP SERIES, 1/4 STANDARD BODY SIZE, 2-STAGE, NPT THREAD TYPE, 3/8 PORT SIZE, WITH BRACKET, RIGHT TO DOWN FLOW DIRECTION, WITH ELEMENT SERVICE INDICATOR, CLEAN ROOM APPLICATI ...
    ✓ IN STOCK!
    $296.00 Buy Surplus As Low As $206.95
    $206.95
    Repair Yours $300.00
    RITTAL 3305.100

    RITTAL

    3305.100

    DISCONTINUED BY MANUFACTURER, COOLING UNIT, 6-22AMP, 230 VAC, 50/60HZ, WALL MOUNTED, WITH BASIC CONTROLLER, IP34/54
    ✓ IN STOCK!
    Buy Surplus As Low As $2,324.32
    $2,324.32
    Repair Yours $1,929.19
    RITTAL 3341.230

    RITTAL

    3341.230

    FAN TRAY, RACK MOUNT, FOR 19" LEVEL, 282.5 CFM, 1 PHASE, 230 VAC, 50/60 HZ, 3 FANS, RAL 7035 COLOR, (SK 3341.230)
    ✓ IN STOCK!
    $923.00 Buy New $923.00
    $702.00
    Repair Yours $460.00
    HONEYWELL M7284C1018

    HONEYWELL

    M7284C1018

    DISCONTINUED BY MANUFACTURER, ACTUATOR, MODUTROL IV MOTOR, NON-SPRING RETURN, FOOT MOUNTED, 4-20 MA MODULATING CONTROL SIGNAL, 90-160 DEGREE STROKE, 30-60 SECONDS TIMING, 150 LB-IN TORQUE RA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,134.97
    $1,134.97
    Repair Yours $590.00
    HONEYWELL RM7895A1048

    HONEYWELL

    RM7895A1048

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, SPECIAL SEQUENCE EARLY SPARK TERMINATION, SELECTABLE INTERLOCKS, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 ...
    ✓ IN STOCK!
    $1,461.67 Buy Surplus As Low As $877.00
    $877.00
    Repair Yours $453.83
    HONEYWELL RM7840M1017

    HONEYWELL

    RM7840M1017

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL, DUST COVER, INTERRUPTED PILOT TYPE, INTERMITTENT SECOND STAGE PILOT VALVE, 5 SECOND EARLY SPARK TERMINATION, 15 SECOND PO ...
    ✓ IN STOCK!
    $6,180.89 Buy Surplus As Low As $3,708.53
    $3,708.53
    Repair Yours $990.00
    SIEMENS PTM6.2C

    SIEMENS

    LANDIS & GYR

    PTM6.2C

    DISCONTINUED BY MANUFACTURER, POINT TERMINATION MODULE, DIGITAL, 2 INPUT, PULSE ACCUMULATOR
    ✓ IN STOCK!
    Buy Surplus As Low As $98.10
    $98.10
    Repair Yours $300.00
    SIEMENS ASUD15F/A

    SIEMENS

    STAEFA CONTROL SYS

    ASUD15F/A

    DISCONTINUED BY MANUFACTURER, ROTARY DAMPER ACTUATOR, 24 VAC, MODULATING 15 NM
    ✓ IN STOCK!
    Buy Surplus As Low As $288.00
    $288.00
    Repair Yours $300.00
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