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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 351-400 of 856.
    HONEYWELL MP909E1364

    HONEYWELL

    MP909E1364

    DISCONTINUED BY MANUFACTURER, MEDIUM FORCE DAMPER ACTUATOR W/ SPRING RETURN, FOR VARIABLE VOLUME TERMINAL UNITS, (5 TO 10 PSI), DAMPER ACTUATOR, 5-10# 4"STRK EXT MOUNT BRK
    ✓ IN STOCK!
    $710.46 Buy Surplus As Low As $426.27
    $426.27
    HONEYWELL MP909E1059

    HONEYWELL

    MP909E1059

    ACTUATOR, 5-10 PSI 2.75" STROKE 6.6"
    ✓ IN STOCK!
    $427.40 Buy Surplus As Low As $256.44
    $256.44
    Repair Yours $300.00
    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
    RITTAL 3327.107

    RITTAL

    3327.107

    DISCONTINUED BY MANUFACTURER, FILTER FAN UNIT, 0.65-0.95 AMP, 240 VAC, 50/60 HZ, 155-212 W
    ✓ IN STOCK!
    Buy Surplus As Low As $399.48
    $399.48
    Repair Yours $300.00
    RITTAL 3304510

    RITTAL

    3304510

    AIR CONDITIONER, 3753 BTU, 115 VAC, 50/60 HZ, TYPE 12 STEEL SIDEMTG, BLUE ECOMFORT CONTR, RAL7035, NANOCOATED CONDENSER, CONDENSATE
    ✓ IN STOCK!
    $4,156.00 Buy New $4,156.00
    $2,180.36
    RITTAL 3303.500

    RITTAL

    3303.500

    AIR CONDITIONER, WALL MOUNTED, SINGLE PHASE, 230 VAC, 50/60 HZ, 0.5-0.75 KW, TYPE12, E-COMFORT CONTROLLER, RAL7035, RI-NANO COATED CONDENSER, 2252 BTU, (SK 3303.500)
    ✓ IN STOCK!
    $3,636.00 Buy New $3,636.00
    $2,009.45
    Repair Yours $1,811.06
    RITTAL 3301.560

    RITTAL

    3301.560

    DISCONTINUED BY MANUFACTURER, CONDENSATE EVAPORATOR, FOR 3302/3303 SERIES COOLING UNITS, 230 VAC, 50/60 HZ, 0.55 AMP, 125 W, 4 AMP BACK-UP FUSE, 2.5 L/D EVAPORATION, WALL MOUNTED
    ✓ IN STOCK!
    Buy Surplus As Low As $157.46
    $157.46
    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 $54.17
    $54.17
    EMERSON EK-08-3-S

    EMERSON

    ALCO CONTROLS

    EK-08-3-S

    FILTER DRIER, EXTRA KLEEN LIQUID LINE, 3/8", SOLDER CONNECTION
    ✓ IN STOCK!
    $25.19 Buy Surplus As Low As $16.79
    $16.79
    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 $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
    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 $55.73
    $55.73
    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 $523.15
    $523.15
    Repair Yours $434.22
    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
    JOHNSON CONTROLS TE-6001-1

    JOHNSON CONTROLS

    TE-6001-1

    DUCT TEMPERATURE, ELEMENT HOLDER, W/ HANDI BOX, SENSOR MOUNTING ASSEMBLY
    ✓ IN STOCK!
    $63.00 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 14507549-001

    HONEYWELL

    14507549-001

    EXT RS485 ADAPTOR TO A C-BUS
    ✓ IN STOCK!
    $539.98 Buy Surplus As Low As $291.98
    $291.98
    HONEYWELL 14002913-001

    HONEYWELL

    14002913-001

    FILTER RESTRICTION ASSEMBLY, BLUE, 1/4" INLET AND 1/4" AND 5/32" OUTLETS, .005"
    ✓ IN STOCK!
    $38.66 Buy Surplus As Low As $29.38
    $29.38
    HONEYWELL MS8110A-1206

    HONEYWELL

    MS8110A-1206

    ACTUATOR, DIRECT COUPLED, 2 POSITION, 24 VAC, 30 SUPPLY VA, 88 LB-IN TORQUE, 2 AUX SWITCHES, W/ ANTI ROTATION BRACKET
    ✓ IN STOCK!
    $575.00 Buy Surplus As Low As $380.00
    $380.00
    HONEYWELL MS7510A2008

    HONEYWELL

    MS7510A2008

    DIRECT COUPLED ACTUATOR, SPRING RETURN, 88 LB-IN TORQUE, 24 V AC/DC, 14 VA DRIVING, 90 SECONDS DRIVE, FLOATING / MODULATING, 2-POSITION
    ✓ IN STOCK!
    $480.24 Buy Surplus As Low As $364.98
    $364.98
    Repair Yours $300.00
    HONEYWELL MS4110A1200

    HONEYWELL

    MS4110A1200

    DIRECT COUPLED ACTUATOR, MS SERIES, SPRING RETURN, 88 IN-LB TORQUE, 120 VAC, 50/60 HZ, 45 VA, TWO-POSITION, TWO SPDT AUXILIARY SWITCHES
    ✓ IN STOCK!
    $610.00 Buy Surplus As Low As $310.85
    $310.85
    Repair Yours $236.32
    HONEYWELL MP909D-1334

    HONEYWELL

    MP909D-1334

    DAMPER ACTUATOR, 3INCH 5-10PSI WITH ANGLE BRACKET
    ✓ IN STOCK!
    $185.43 Buy Surplus As Low As $111.26
    $111.26
    Repair Yours $300.00
    HONEYWELL M6415A1016

    HONEYWELL

    M6415A1016

    DAMPER ACTUATOR, CCW ROTATE TO OPEN, SPDT FLOATING, 90 DEGREE STROKE, 90 SECONDS TIMING, 25 LB-IN MAX OPERATING TORQUE, 24 VAC
    ✓ IN STOCK!
    $1,052.17 Buy Surplus As Low As $631.30
    $631.30
    Repair Yours $300.00
    HONEYWELL 314651A

    HONEYWELL

    314651A

    DISCONTINUED BY MANUFACTURER, YOKE ASSEMBLY, FOR MP953B OR MP953D, STEEL
    ✓ IN STOCK!
    Buy Surplus As Low As $22.28
    $22.28
    HONEYWELL 314459A

    HONEYWELL

    314459A

    REBUILD KIT, FOR VP522A 1039 SEQUENCING WATER VALVE. STEM AND DISC HOLDER, BUTTON WITH SCREW, PACKING, INSTRUCTIONS
    ✓ IN STOCK!
    $858.00 Buy Surplus As Low As $653.00
    $653.00
    HONEYWELL 197970

    HONEYWELL

    197970

    STEAM/AIR VENT FOR T5086/V5086
    ✓ IN STOCK!
    $85.00 Buy Surplus As Low As $58.50
    $58.50
    CROUZET 99487411

    CROUZET

    99487411

    DISCONTINUED BY MANUFACTURER, FAN 0.21A 115VAC 50/60HZ 120X120X38MM 18/20WATT
    ✓ IN STOCK!
    Buy Surplus As Low As $19.04
    $19.04
    JOHNSON CONTROLS C-9506-1

    JOHNSON CONTROLS

    C-9506-1

    AIR SWITCHING CUMULATOR. CUMULATOR AIR SWITCHING
    ✓ IN STOCK!
    $673.00 Buy Surplus As Low As $284.21
    $284.21
    HONEYWELL Q7750A1005

    HONEYWELL

    Q7750A1005

    DISCONTINUED BY MANUFACTURER, ZONE MANAGER, EXCEL 10, 24 VAC, 50/60 HZ, TWISTED PAIR TOPOLOGY (TPT) E-BUS TRANSCEIVER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,469.44
    $1,469.44
    Repair Yours $1,350.00
    HONEYWELL 14507330-004

    HONEYWELL

    14507330-004

    DISCONTINUED BY MANUFACTURER, 16 INCH RIBBON BUS CONNECTOR CABLE FOR XL500 CONTROLLER BASES
    ✓ IN STOCK!
    Buy Surplus As Low As $18.34
    $18.34
    SIEMENS 549-407

    SIEMENS

    STAEFA CONTROL SYS

    549-407

    POWER MODULAR EQUIPMENT CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $845.86
    $845.86
    Repair Yours $702.06
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