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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 301-350 of 859.
    JOHNSON CONTROLS W43A-14

    JOHNSON CONTROLS

    PENN BASO

    W43A-14

    HUMIDISTAT, 0/70% RH SPDT, LOW LINE VOLTAGE, HORIZONTAL OR VERTICAL MTG
    ✓ IN STOCK!
    $308.00 Buy Surplus As Low As $235.00
    $235.00
    JOHNSON CONTROLS DX-9100-8454

    JOHNSON CONTROLS

    METASYS

    DX-9100-8454

    DISCONTINUED BY MANUFACTURER, CONTROLLER MODULE, PLANT, EXTENDED, DIGITAL, 24 VAC, 14 OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,118.99
    $1,118.99
    Repair Yours $790.00
    HONEYWELL RM7888A1027

    HONEYWELL

    RM7888A1027

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, 15 SECOND MAIN FLAME ESTABLISHING PERIOD, 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $3,951.57 Buy Surplus As Low As $2,370.94
    $2,370.94
    Repair Yours $1,095.00
    HONEYWELL RM7888A1019

    HONEYWELL

    RM7888A1019

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, 15 SECOND MAIN FLAME ESTABLISHING PERIOD, 4 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $3,746.65 Buy Surplus As Low As $2,247.99
    $2,247.99
    Repair Yours $1,387.00
    HONEYWELL RM7838C1004

    HONEYWELL

    RM7838C1004

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SEMI AUTOMATIC PROGRAMMING CONTROL, KEYBOARD DISPLAY MODULE, LOCKOUT INTERLOCKS, PRE-IGNTION, 10 SECOND MAIN FLAME ESTABLISHING PERIOD INTERMI ...
    ✓ IN STOCK!
    $2,687.29 Buy Surplus As Low As $1,612.37
    $1,612.37
    Repair Yours $990.00
    HONEYWELL RM7824A1006

    HONEYWELL

    RM7824A1006

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PE ...
    ✓ IN STOCK!
    $1,497.00 Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $669.73
    HONEYWELL M9184C1031

    HONEYWELL

    M9184C1031

    DAMPER ACTUATOR, MODUTROL IV, 90-160DEG STROKE, 24V, 50/60HZ,150LB IN TORQUE, DUAL ENDED SHAFT, NON-SPRING RETURN, TIME 30/60SEC
    ✓ IN STOCK!
    $2,339.26 Buy Surplus As Low As $1,403.56
    $1,403.56
    Repair Yours $909.00
    RITTAL 3286510

    RITTAL

    3286510

    METAL FILTER, WASHABLE, ALUMINUM, FITS 3273/3382/3383/3384/3385/3359/3318.600/3318.610/3319.600/3319.610/3334.660
    ✓ IN STOCK!
    $387.15 Buy New $387.15
    $232.29
    RITTAL 3286410

    RITTAL

    3286410

    METAL FILTER, 344(13.5) X 268(10.6) X 10(0.4), WASHABLE
    ✓ IN STOCK!
    $324.00 Buy New $324.00
    $247.00
    RITTAL 3127100

    RITTAL

    3127100

    A-A HEX 30 W-C 230V 50-60HZ TYPE 12, SIDEMTG, RAL 7035, STEEL
    ✓ IN STOCK!
    $2,697.00 Buy New $2,697.00
    $2,050.00
    ASEA BROWN BOVERI QT-20

    ASEA BROWN BOVERI

    QT-20

    FLEX DUCT 20MMX20MM
    ✓ IN STOCK!
    $15.00 Buy Surplus As Low As $8.90
    $8.90
    HONEYWELL H49B-1017

    HONEYWELL

    H49B-1017

    HUMIDIFIER CONTROLLER SAIL SWITCH,120/240VAC, 2.2/15AMP, RANGE 15-50 PERCENT
    ✓ IN STOCK!
    $240.00 Buy Surplus As Low As $159.00
    $159.00
    UNITED TECHNOLOGIES CESO121319-01

    UNITED TECHNOLOGIES

    CARRIER

    CESO121319-01

    DISCONTINUED BY MANUFACTURER, STARTER MANAGEMENT MODULE, CLASS 2, 22-30 VAC, 50/60HZ, 20VA
    ✓ IN STOCK!
    Buy Surplus As Low As $2,472.28
    $2,472.28
    Repair Yours $2,100.00
    HONEYWELL W8150A1001

    HONEYWELL

    RESIDEO

    W8150A1001

    FRESH AIR VENTILATION CONTROL, 20-30 VAC, 60 HZ, 10 MA, 4-3/16 X 5-3/4 INCH
    ✓ IN STOCK!
    $175.00 Buy Surplus As Low As $107.56
    $107.56
    UNITED TECHNOLOGIES LA660002

    UNITED TECHNOLOGIES

    CARRIER

    LA660002

    FACTORY AUTHORIZED PARTS™ - LA660002 INDUCER FAN KIT
    ✓ IN STOCK!
    $29.98 Buy New $29.98
    $22.78
    SIEMENS 545-716

    SIEMENS

    LANDIS & GYR

    545-716

    DISCONTINUED BY MANUFACTURER, OPEN PROCESSOR MODULE, PROTOCOL 2, 3MB MEMORY
    ✓ IN STOCK!
    Buy Surplus As Low As $362.59
    $362.59
    Repair Yours $300.95
    SIEMENS 545-715

    SIEMENS

    LANDIS & GYR

    545-715

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, PROTOCOL 2, OPEN PROCESSOR, 4 MB MEMORY, RACK MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $520.20
    $520.20
    Repair Yours $435.75
    HONEYWELL R8182H1070

    HONEYWELL

    RESIDEO

    R8182H1070

    COMBINATION PROTECTORELAY AND HYDRONIC HEATING CONTROLLER, 120 VAC, 45 SECOND SAFETY SWITCH TIMING, 130-240 DEGREES F HIGH LIMIT RANGE, 110-220 DEGREES F LOW LIMIT, 120 VAC, REPLACES R8182J1 ...
    ✓ IN STOCK!
    $1,553.00 Buy Surplus As Low As $932.00
    $932.00
    Repair Yours $774.00
    EMERSON APD-164S

    EMERSON

    APD-164S

    DISCONTINUED BY MANUFACTURER, MUFFLER, 680 PSIG, FULL FLOW FITTINGS, COMPACT SIZE, SOLID COPPER CONNECTIONS
    ✓ IN STOCK!
    Buy Surplus As Low As $39.53
    $39.53
    GARDTEC SC120-P15/30

    GARDTEC

    SC120-P15/30

    FAN FILTER ASSEMBLY, 120MM, PLASTIC/PU; FAN FRAME SIZE:120MM; FOR USE WITH:120MM AXIAL FANS; FIXING CENTERS:104.9MM; FILTER MATERIAL:PU (POLYURETHANE) FOAM; GUARD MATERIAL:PLASTIC; PRODUCT R ...
    ✓ IN STOCK!
    Buy Surplus As Low As $5.16
    $5.16
    RANCO A30-X450

    RANCO

    A30-X450

    CONTROL, AC, 30AMP, 58-89 DEGREES F
    ✓ IN STOCK!
    $130.00 Buy Surplus As Low As $33.05
    $33.05
    Repair Yours $300.00
    LENZE E82ZZ75112B210

    LENZE

    E82ZZ75112B210

    DISCONTINUED BY MANUFACTURER, RFI FILTER, LD MODULE, INTERFERENCE SUPPRESSION FILTER, 3.5 A, UN = 3 X 500 V, 50 / 60 HZ, MADE IN GERMANY
    ✓ IN STOCK!
    Buy Surplus As Low As $222.00
    $222.00
    ELEKTROR SD-22

    ELEKTROR

    SD-22

    RING COMPRESSOR
    ✓ IN STOCK!
    $706.50 Buy Surplus As Low As $284.68
    $284.68
    EMERSON SFD-13S5-VV

    EMERSON

    ALCO CONTROLS

    SFD-13S5-VV

    FILTER DRIER SFD SUCTION LINE 5/8IN ODF
    ✓ IN STOCK!
    $56.14 Buy Surplus As Low As $18.47
    $18.47
    VACCON CO ST-6B

    VACCON CO

    ST-6B

    SILENCER, STRAIGHT THROUGH, 3/8 INCH NPS MALE THREAD, 5.20 INCH LENGTH, 1.25 INCH DIAMETER, ANODIZED ALUMINUM, 72 DB NOISE LEVEL
    ✓ IN STOCK!
    $145.48 Buy Surplus As Low As $85.60
    $85.60
    HONEYWELL 393690-14

    HONEYWELL

    393690-14

    FLANGE KIT ASSEMBLY, INLET/OUTLET, 3/4 INCH STRAIGHT FLANGE, O RING, 9/64 INCH HEX SCREWS, 9/64 INCH HEX WRENCH
    ✓ IN STOCK!
    $12.00 Buy Surplus As Low As $4.42
    $4.42
    TOTALINE P502-8303S

    TOTALINE

    P502-8303S

    DISCONTINUED BY MANUFACTURER,FILTER DRIER,LIQUID LINE, 680PSIG, 9IN X 8-1/8IN,3/8IN ODF SOLDER CONNECTION,30 CU IN,CFC/HCFC/HFC
    ✓ IN STOCK!
    Buy Surplus As Low As $39.00
    $39.00
    HONEYWELL 27731

    HONEYWELL

    MAXON

    27731

    FLAME ROD ASSEMBLY, SPARK IGNITOR, HEATING ELEMENT, 20"
    ✓ IN STOCK!
    $317.00 Buy Surplus As Low As $167.00
    $167.00
    ASCO AH2D102A5

    ASCO

    AH2D102A5

    DISCONTINUED BY MANUFACTURER, 120/110 V, 60/50 HZ, 1.85/2.25 A, OPENING TIME 14-26 SEC, 15 MAX PSI
    ✓ IN STOCK!
    Buy Surplus As Low As $583.20
    $583.20
    Repair Yours $537.84
    EBM PAPST D2E133-AM47-94

    EBM PAPST

    D2E133-AM47-94

    BLOWER, CENTRIFUGAL TYPE, 230 VAC SUPPLY VOLTAGE, 180 MM FRAME SIZE, 215 MM EXTERNAL DEPTH, FLOW RATE, 8.5 CU. METER/MIN (300CU.FOOT/MIN) FLOW RATE, 56 DBA NOISE RATING, ROHS COMPLIANT
    ✓ IN STOCK!
    $603.00 Buy Surplus As Low As $329.00
    $329.00
    ARMSTRONG 75A3

    ARMSTRONG

    ARMSTRONG INTERNATIONAL

    75A3

    STEAM TRAP, MOP-75 MAP-175 PSIG, AT 377F, 3/4IN FNPT
    ✓ IN STOCK!
    $914.00 Buy Surplus As Low As $549.00
    $549.00
    KB ELECTRONICS 9484

    KB ELECTRONICS

    9484

    KBRF-300, 9484-CE APPROVED AC LINE FILTER (CLASS B)
    ✓ IN STOCK!
    $110.46 Buy Surplus As Low As $58.89
    $58.89
    KB ELECTRONICS 9479

    KB ELECTRONICS

    9479

    KBAC-DA RFAC-3PS, 9479-KBAC/DA CE 3 PHASE AC LINE FILTER (CLASS A) PKG B CONTROLS WITH SWITCH ONLY
    ✓ IN STOCK!
    $158.00 Buy Surplus As Low As $93.89
    $93.89
    HONEYWELL TG511A-1018

    HONEYWELL

    TG511A-1018

    DISCONTINUED BY MANUFACTURER, GUARD FOR THERMOSTAT, UNIVERSAL, CLEAR, W/ KEY LOCK
    ✓ IN STOCK!
    Buy Surplus As Low As $57.80
    $57.80
    HONEYWELL PUL6438

    HONEYWELL

    PUL6438

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE CONTROLLER UNITARY, 20-30VAC, 50/60HZ, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $440.84
    $440.84
    Repair Yours $352.00
    ASCO H11A321B5F1

    ASCO

    H11A321B5F1

    DISCONTINUED BY MANUFACTURER, ACTUATOR, HVAC ACTUATOR, HYDRAULIC, 120 VAC, 50/60 HZ, 1.4 AMP MOTOR, .07 AMP SOLENOID, 500 LBF, 1 AUXILIARY SWITCH
    ✓ IN STOCK!
    Buy Surplus As Low As $808.37
    $808.37
    Repair Yours $670.95
    INGERSOLL RAND 32170979

    INGERSOLL RAND

    ARO

    32170979

    AIR COMPRESSOR ELEMENT FILTER, 3 INCH BORE, 4-3/8 INCH OD, 2-1/8 INCH WIDTH
    ✓ IN STOCK!
    $87.00 Buy Surplus As Low As $55.48
    $55.48
    ARMSTRONG 30B8

    ARMSTRONG

    ARMSTRONG INTERNATIONAL

    30B8

    2" F & T STEAM TRAP 30#
    ✓ IN STOCK!
    $2,266.00 Buy Surplus As Low As $1,360.00
    $1,360.00
    HONEYWELL XL50

    HONEYWELL

    XL50

    DISCONTINUED BY MANUFACTURER, CONTROLLER PROGRAMMABLE, 24 VOLT AC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $652.87
    $652.87
    Repair Yours $560.00
    SIEMENS 540-105

    SIEMENS

    LANDIS & GYR

    540-105

    DISCONTINUED BY MANUFACTURER, HEAT PUMP CONTROLLER, SYSTEM 600, SINGLE STAGE, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $497.05
    $497.05
    Repair Yours $398.78
    JOHNSON CONTROLS HK06CB-402

    JOHNSON CONTROLS

    PENN BASO

    HK06CB-402

    DISCONTINUED BY MANUFACTURER, PRESSURE SWITCH, DIFFERENTIAL CONTROL, LOW PRESSURE
    ✓ IN STOCK!
    Buy Surplus As Low As $238.17
    $238.17
    BROAN NUTONE IR906

    BROAN NUTONE

    IR906

    ROUGH-IN/IS-905
    ✓ IN STOCK!
    $15.31 Buy Surplus As Low As $8.95
    $8.95
    JOHNSON CONTROLS XT-9100-8204

    JOHNSON CONTROLS

    METASYS

    XT-9100-8204

    DISCONTINUED BY MANUFACTURER, EXTENSION MODULE, 24 VAC, 50/60 HZ, LED INDICATING
    ✓ IN STOCK!
    Buy Surplus As Low As $97.36
    $97.36
    Repair Yours $300.00
    JOHNSON CONTROLS P20EB-3

    JOHNSON CONTROLS

    PENN BASO

    P20EB-3

    PRESSURE SWITCH SPDT. RANGE 7-150PSIG
    ✓ IN STOCK!
    $114.78 Buy Surplus As Low As $55.22
    $55.22
    UNITED TECHNOLOGIES 33CSZC-01

    UNITED TECHNOLOGIES

    CARRIER

    33CSZC-01

    DISCONTINUED BY MANUFACTURER, VVT ZONE CONTROLLER, W / O TIMECLOCK
    ✓ IN STOCK!
    Buy Surplus As Low As $788.55
    $788.55
    Repair Yours $640.00
    FUJI ELECTRIC VFC080P5T

    FUJI ELECTRIC

    VFC080P5T

    BLOWER
    ✓ IN STOCK!
    $706.00 Buy New $706.00
    $424.00
    Repair Yours $352.00
    EBM PAPST G2E160-AY47-01

    EBM PAPST

    G2E160-AY47-01

    CENTRIFUGAL FAN, 261.5MM, 230V, 214.8CFM; BLOWER TYPE:MOTORIZED IMPELLER; SUPPLY VOLTAGE:230VAC; VOLTAGE TYPE:AC; FAN FRAME SIZE:226.8MM; EXTERNAL DEPTH:130MM; AIR FLOW - CFM:214.83CFM; AIR ...
    ✓ IN STOCK!
    $924.28 Buy Surplus As Low As $554.57
    $554.57
    UNITED TECHNOLOGIES 5H60132

    UNITED TECHNOLOGIES

    CARRIER

    5H60132

    STRAINER, REPLACEMENT SUCTION STRAINER
    ✓ IN STOCK!
    $126.00 Buy New $126.00
    $96.00
    UNITED TECHNOLOGIES 5H40-481

    UNITED TECHNOLOGIES

    CARRIER

    5H40-481

    RING
    ✓ IN STOCK!
    $44.04 Buy New $44.04
    $20.19
    FASTEK CORP 51E1C1A11

    FASTEK CORP

    51E1C1A11

    CERAMIC GAS FILTER 0.01 MICRON MCG FITTING
    ✓ IN STOCK!
    Buy Surplus As Low As $384.75
    $384.75
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