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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 401-450 of 854.
    HONEYWELL 14002694-006

    HONEYWELL

    14002694-006

    REBUILD KIT, 1/2-3/4-1" WATER
    ✓ IN STOCK!
    $596.00 Buy Surplus As Low As $453.00
    $453.00
    INVENSYS MSC-P-100

    INVENSYS

    ROBERTSHAW

    MSC-P-100

    DISCONTINUED BY MANUFACTURER, TEMPERATURE UNIT CONTROLLER, LOW INPUT / OUTPUT, ANALOG INPUT, 16 LOOP MAX, 48 POINT, 24 VAC, 50/60 HZ
    ✓ IN STOCK!
    $181.26 Buy Surplus As Low As $137.32
    $137.32
    Repair Yours $300.00
    INVENSYS MSC-MPC001

    INVENSYS

    SIEBE

    MSC-MPC001

    DISCONTINUED BY MANUFACTURER, MULTIPURPOSE CONTROLLER, SMOKE CONTROL SYSTEM, ENERGY MANAGEMENT, 8 UNIVERSAL ANALOG INPUTS, FULL CLOCK FEATURES, 4 EXPANSION SLOTS, 28 VA, 24 VAC, 50/6HZ, OUTP ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,041.34
    $1,041.34
    Repair Yours $500.00
    SIEMENS 6SN1111-0AA01-2BA0

    SIEMENS

    6SN1111-0AA01-2BA0

    DISCONTINUED BY MANUFACTURER, FILTER MODULE, 30 AMP, 250/440 VAC, 50/60 HZ, 16 KW
    ✓ IN STOCK!
    Buy Surplus As Low As $586.44
    $586.44
    JOHNSON CONTROLS AS-VAV-110-1

    JOHNSON CONTROLS

    METASYS

    AS-VAV-110-1

    DISCONTINUED BY MANUFACTURER, CONTROLLER, VARIABLE AIR, VOLUME 8K, WITHOUT ENCLOSURE, CLASS 2, 24 VAC, 5 AMPS, REPLACED BY AS-VAV110-701
    ✓ IN STOCK!
    Buy Surplus As Low As $458.13
    $458.13
    Repair Yours $349.00
    HONEYWELL 32006803-003

    HONEYWELL

    32006803-003

    FAN ASSEMBLY, 10-20 HP, NXS DRIVES
    ✓ IN STOCK!
    $324.00 Buy Surplus As Low As $195.05
    $195.05
    HONEYWELL 32004629-004

    HONEYWELL

    32004629-004

    BONNET ADAPTOR KIT, 1 BONNET ADAPTOR, 1 STEM ADAPTOR, 1/2 TO 2 INCH, SIEBE GLOBE VALVES (VB-7000)
    ✓ IN STOCK!
    $878.00 Buy Surplus As Low As $668.00
    $668.00
    HONEYWELL 315917

    HONEYWELL

    315917

    DIAPHRAGM FOR VP525 VP526 VP527 VP531
    ✓ IN STOCK!
    $26.00 Buy Surplus As Low As $10.82
    $10.82
    HONEYWELL AF11S-112D

    HONEYWELL

    RESIDEO

    AF11S-112D

    SCREEN KIT, 76S-1.5/2 INCH, 200 MICRON, FOR F76S WATER FILTER
    ✓ IN STOCK!
    $230.27 Buy Surplus As Low As $138.16
    $138.16
    HONEYWELL 50033181-001

    HONEYWELL

    RESIDEO

    50033181-001

    LARGE WATER TANK, INCLUDES REPLACEMENT TANK, SPPOL VALVE, NEW GASKET AND GASKET TOOL, USED WITH TRUESTEAM HUMIDIFIERS, HM506, HM509, HM512, HM609 AND HM612 SERIES
    ✓ IN STOCK!
    $118.00 Buy Surplus As Low As $72.05
    $72.05
    HONEYWELL 118367A

    HONEYWELL

    118367A

    SWIVEL MOUNT, FOR C7012/7015/27/35, 5.65" X 7.7" X 5.5"
    ✓ IN STOCK!
    $880.75 Buy Surplus As Low As $528.45
    $528.45
    HONEYWELL 112628AA

    HONEYWELL

    112628AA

    DISCONTINUED BY MANUFACTURER,STEEL WELL ASSEMBLY, 1/2IN NPT, 3-1/4 NECK FOR 1/2 X 4-1/4 BULB
    ✓ IN STOCK!
    Buy Surplus As Low As $181.17
    $181.17
    HONEYWELL Q179A1183

    HONEYWELL

    Q179A1183

    PILOT BURNER, I-PORT, WITH IGNITION ELECTRODE ONLY, FOR INTERMITTENT OR INTERRUPTED IGNITION, USED WITH Q624 OR OTHER SUITABLE IGNITION TRANSFORMER, 2.0 CFH GAS CONSUMPTION, SIDE / END MOUNT ...
    ✓ IN STOCK!
    $761.22 Buy Surplus As Low As $456.73
    $456.73
    HONEYWELL F76S1023

    HONEYWELL

    RESIDEO

    F76S1023

    WATER FILTER, 1 INCH SIZE, 100 MICRON, SWEAT AND NPT THREADED TAILPIECES
    ✓ IN STOCK!
    $739.00 Buy Surplus As Low As $487.14
    $487.14
    HONEYWELL D690A1036

    HONEYWELL

    D690A1036

    DISCONTINUED BY MANUFACTURER, DAMPER, ROUND, 3 PANELS, SURFACE MOUNT, GALVANIZED STEEL, 2500 FPM
    ✓ IN STOCK!
    Buy Surplus As Low As $110.35
    $110.35
    HONEYWELL 14004911-001

    HONEYWELL

    14004911-001

    DISCONTINUED BY MANUFACTURER, ADAPTER PLATE ASSEMBLY FOR TP9600 SERIES THERMOSTAT
    ✓ IN STOCK!
    Buy Surplus As Low As $5.83
    $5.83
    HONEYWELL MS8120A-1205

    HONEYWELL

    MS8120A-1205

    ACTUATOR, DIRECT COUPLED, SPRING RETURN, 175 IN/LB TORQUE, 2 POSITION, 24 V, 2 AUXILIARY SWITCHES, W/ ANTI ROTATION BRACKET, SPST SWITCH TYPE, ENCLOSED TERMINAL, NEMA 2
    ✓ IN STOCK!
    $620.93 Buy Surplus As Low As $372.56
    $372.56
    Repair Yours $313.00
    HONEYWELL RM7897A1002

    HONEYWELL

    RM7897A1002

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, PREIGNITION, SELECTABLE INTERLOCKS, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $1,215.82 Buy Surplus As Low As $729.49
    $729.49
    Repair Yours $570.71
    HONEYWELL C7031B-1033

    HONEYWELL

    C7031B-1033

    DUCT SENSOR ELECTRONIC CIRCUIT FOR XL 80/100/500
    ✓ IN STOCK!
    $61.20 Buy Surplus As Low As $26.78
    $26.78
    Repair Yours $300.00
    BASO GAS PRODUCTS LLC L61LL-1

    BASO GAS PRODUCTS LLC

    L61LL-1

    PILOT SAFETY SWITCH, 8 AMP, SPDT, 120 VAC, AUTOMATIC RECYCLE, SPDT AUTOMATIC RESET PILOT SWITCH WITHOUT 100% SHUTOFF, REPLACED BY EXACT REPLACEMENT L61LL-1C
    ✓ IN STOCK!
    $618.00 Buy Surplus As Low As $600.43
    $600.43
    PTI TECHNOLOGIES RAH2260B2-C

    PTI TECHNOLOGIES

    RAH2260B2-C

    AC FAN, HIGH AIR FLOW, 120 VAC, 0.42 AMP, 50/60 HZ, 50/56 WATT, 222 MM X 60 MM
    ✓ IN STOCK!
    $99.96 Buy Surplus As Low As $59.59
    $59.59
    SCHNEIDER ELECTRIC VZ3V1206

    SCHNEIDER ELECTRIC

    SQUARE D

    VZ3V1206

    FAN KIT, FOR VARIABLE SPEED DRIVE, ALTIVAR 61 / 71 / PROCESS 600 / 900, CUST FRAME SZ 7 AND 8
    ✓ IN STOCK!
    $349.65 Buy Surplus As Low As $200.00
    $200.00
    SIEMENS LAE10

    SIEMENS

    LANDIS & GYR

    LAE10

    FLAME SAFEGUARD, 220V FSG RELAY, FOR OIL FLAME
    ✓ IN STOCK!
    $980.00 Buy Surplus As Low As $382.55
    $382.55
    Repair Yours $375.93
    JOHNSON CONTROLS Y20DAA-2

    JOHNSON CONTROLS

    Y20DAA-2

    DAMPER LINKAGE,TOP OF DUCT MT.
    ✓ IN STOCK!
    $85.00 Buy Surplus As Low As $51.00
    $51.00
    EBM PAPST 8414N

    EBM PAPST

    8414N

    (PRICE/EA) AXIAL FAN, 80MM, 24VDC; SUPPLY VOLTAGE VDC:24V; FAN FRAME TYPE:SQUARE; FAN FRAME SIZE:80MM; EXTERNAL DEPTH:25MM; BEARING TYPE:BALL BEARING; AIR FLOW - CFM:40.6CFM; NOISE RATING:32 ...
    ✓ IN STOCK!
    $35.29 Buy Surplus As Low As $21.19
    $21.19
    EBM PAPST W2E250-HJ28-01

    EBM PAPST

    W2E250-HJ28-01

    AXIAL FAN, 280MM, 230VAC; SUPPLY VOLTAGE:230V; CURRENT TYPE:AC; FAN FRAME SIZE:280MM; EXTERNAL DEPTH:80MM; NOISE RATING:73DBA; FLOW RATE - IMPERIAL:1100CU.FT/MIN; FLOW RATE - METRIC:30.8M /M ...
    ✓ IN STOCK!
    $386.80 Buy Surplus As Low As $232.08
    $232.08
    JOHNSON CONTROLS TE-6000-960

    JOHNSON CONTROLS

    TE-6000-960

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, 1035 OHM, -40 TO 221 DEGREE, 9.75 IN CABLE, REPLACED BY A99BB-25
    ✓ IN STOCK!
    Buy Surplus As Low As $64.29
    $64.29
    EMERSON EK-08-3-S

    EMERSON

    ALCO CONTROLS

    EK-08-3-S

    FILTER DRIER, EXTRA KLEEN LIQUID LINE, 3/8", SOLDER CONNECTION
    ✓ IN STOCK!
    $38.00 Buy Surplus As Low As $18.95
    $18.95
    SIEMENS 540-509

    SIEMENS

    LANDIS & GYR

    540-509

    DISCONTINUED BY MANUFACTURER, UNIT VENT CONTROLLER SYSTEM, 24 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $785.42
    $785.42
    Repair Yours $601.75
    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 $448.80
    $448.80
    Repair Yours $372.50
    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 $525.00
    $525.00
    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!
    $1,463.00 Buy Surplus As Low As $878.00
    $878.00
    Repair Yours $729.00
    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
    WARREN GV SAF-1026

    WARREN GV

    SAF-1026

    DISCONTINUED BY MANUFACTURER, AIR FLOW SENSOR, 1000 FPM
    ✓ IN STOCK!
    Buy Surplus As Low As $55.85
    $55.85
    TELEDYNE 2400-106

    TELEDYNE

    LAARS

    2400-106

    0/10# , BUNA PRESSURE SWITCH
    ✓ IN STOCK!
    $576.00 Buy Surplus As Low As $346.00
    $346.00
    TELEDYNE 2400-056

    TELEDYNE

    LAARS

    2400-056

    OPERATING CONTROL
    ✓ IN STOCK!
    $125.00 Buy Surplus As Low As $95.00
    $95.00
    SIEMENS PTM6.2Q250

    SIEMENS

    LANDIS & GYR

    PTM6.2Q250

    DISCONTINUED BY MANUFACTURER, DIGITAL OUTPUT MODULE, POINT TERMINATION MODULE, 2 POINT DIGITAL
    ✓ IN STOCK!
    Buy Surplus As Low As $20.05
    $20.05
    QUINCY AIR COMPRESSOR 23458-1

    QUINCY AIR COMPRESSOR

    23458-1

    OEM REPLACEMENT FILTER
    ✓ IN STOCK!
    $161.00 Buy Surplus As Low As $86.67
    $86.67
    SIEMENS 091-60230-82

    SIEMENS

    STAEFA CONTROL SYS

    091-60230-82

    STAEFA CONTROL SYS, SIEMENS, 091-60230-82, PC BOARD SMART2PLUS FAN COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $795.60
    $795.60
    Repair Yours $660.35
    JOHNSON CONTROLS FTG18A-601R

    JOHNSON CONTROLS

    FTG18A-601R

    DIRECT MTG PROBE FOR P32,P560
    ✓ IN STOCK!
    $33.74 Buy Surplus As Low As $20.25
    $20.25
    JOHNSON CONTROLS D-9502-9

    JOHNSON CONTROLS

    D-9502-9

    POSITIONER ,FOR D-3153 2-STAGE
    ✓ IN STOCK!
    $688.00 Buy Surplus As Low As $352.43
    $352.43
    Repair Yours $343.00
    HEATCRAFT 23100201

    HEATCRAFT

    23100201

    FAN BLADE 8INCH 37DEGREE 4BLADE
    ✓ IN STOCK!
    $34.00 Buy Surplus As Low As $23.00
    $23.00
    JOHNSON CONTROLS W43A-14C

    JOHNSON CONTROLS

    PENN BASO

    W43A-14C

    HUMIDISTAT, NEMA 1, SPDT SWITCH ACTION, 0-70%, 4-20 MA, 120/208/240 V, UNIVERSAL KNOB ADJUSTER, WALL MOUNT
    ✓ IN STOCK!
    $277.83 Buy Surplus As Low As $166.70
    $166.70
    JOHNSON CONTROLS TE-6001-1

    JOHNSON CONTROLS

    TE-6001-1

    DUCT TEMPERATURE, ELEMENT HOLDER, W/ HANDI BOX, SENSOR MOUNTING ASSEMBLY
    ✓ IN STOCK!
    $50.00 Buy Surplus As Low As $30.00
    $30.00
    HONEYWELL Q473B-2005

    HONEYWELL

    Q473B-2005

    DISCONTINUED BY MANUFACTURER, SWITCHING SUB-BASE, AUTO OFF, FOR T451A2XXX THERMOSTAT
    ✓ IN STOCK!
    Buy Surplus As Low As $11.85
    $11.85
    HONEYWELL MP909E-1422

    HONEYWELL

    MP909E-1422

    5/10# 4" STROKE, PNEUMATIC DAMPER ACTUATOR
    ✓ IN STOCK!
    $575.03 Buy Surplus As Low As $345.02
    $345.02
    Repair Yours $333.00
    HONEYWELL LP914A-1144

    HONEYWELL

    LP914A-1144

    INSERTION TEMPERATURE SENSOR, RANGE 25-125 DEGREES F, DUCT MOUNTING, 15IN ELEMENT
    ✓ IN STOCK!
    $362.71 Buy Surplus As Low As $217.63
    $217.63
    HONEYWELL LP914A-1052

    HONEYWELL

    LP914A-1052

    TEMPERATURE SENSOR, 6-1/2 INCH LONG, 40-240DEG F
    ✓ IN STOCK!
    $754.99 Buy Surplus As Low As $364.07
    $364.07
    HONEYWELL 14506344-001

    HONEYWELL

    14506344-001

    DISCONTINUED BY MANUFACTURER, PC BOARD, RS485 INTERFACE BOARD, INTELLIGENT DISPLAY, DNFS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,020.68
    $1,020.68
    Repair Yours $960.00
    HONEYWELL XF529

    HONEYWELL

    XF529

    DISCONTINUED BY MANUFACTURER, DIGITAL OUTPUT MODULE, WITHOUT OVERRIDE SWITCHES, NO REPLACEMENT
    ✓ IN STOCK!
    Buy Surplus As Low As $445.51
    $445.51
    Repair Yours $441.02
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