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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 501-550 of 852.
    HONEYWELL M644B-1007

    HONEYWELL

    M644B-1007

    DISCONTINUED BY MANUFACTURER, MODUTROL MOTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $285.16
    $285.16
    Repair Yours $300.00
    HONEYWELL T7770C-1002

    HONEYWELL

    T7770C-1002

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, WALL MODULE, 55 TO 85 F SETPOINT
    ✓ IN STOCK!
    Buy Surplus As Low As $41.61
    $41.61
    AURORA AIR PRODUCTS 31199

    AURORA AIR PRODUCTS

    31199

    TEE 1/4IN COPPER ACCESS SWAGGED COPPER
    ✓ IN STOCK!
    $15.30 Buy Surplus As Low As $6.89
    $6.89
    ALERTON TX-APLC

    ALERTON

    TX-APLC

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE CONTROLLER, 0-10 V DC, 4-20 MA, 24 V AC, 110 VA MAX LOAD, DIP SWITCH CONTROL, WITH STATUS INDICATORS
    ✓ IN STOCK!
    Buy Surplus As Low As $252.45
    $252.45
    Repair Yours $300.00
    ALERTON TX-653P

    ALERTON

    TX-653P

    DISCONTINUED BY MANUFACTURER, CONTROLLER, PROGRAMMABLE, 6 DIGITAL INPUT, 5 DIGITAL / 3 ANALOG OUTPUT, 10 VA, 0.5 AMP, 24 VAC, 150 MA / 24 VAC POWER SUPPLY, W/ 8-10 BIT RESOLUTION
    ✓ IN STOCK!
    Buy Surplus As Low As $486.38
    $486.38
    Repair Yours $397.00
    ALERTON APEX

    ALERTON

    APEX

    DISCONTINUED BY MANUFACTURER, CONTROLLER, STAND-ALONE, HIGH PERFORMANCE
    ✓ IN STOCK!
    Buy Surplus As Low As $783.50
    $783.50
    Repair Yours $722.56
    HONEYWELL EXCEL-100-B

    HONEYWELL

    EXCEL-100-B

    DISCONTINUED BY MANUFACTURER, CONTROLLER, 24 VAC, HVAC CONTROL, 18 WATT, 46-60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $3,315.00
    $3,315.00
    Repair Yours $2,751.45
    SIEMENS 544-305

    SIEMENS

    LANDIS & GYR

    544-305

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD, BACK PANEL, FOR POWERS SYSTEM, 600 UNITARY CONTROL, WITH LED CHANNEL INDICATION
    ✓ IN STOCK!
    Buy Surplus As Low As $429.00
    $429.00
    Repair Yours $356.07
    ORIENTAL MOTOR MBD8-24

    ORIENTAL MOTOR

    VEXTA

    MBD8-24

    CENTRIFUGAL FAN / BLOWER, 3.15 IN., 24 VDC, 0.70A, 2600 SPEED (R/MIN)
    ✓ IN STOCK!
    $166.67 Buy Surplus As Low As $81.09
    $81.09
    LEGRAND DSDH16-WV

    LEGRAND

    PASS & SEYMOUR

    DSDH16-WV

    DISCONTINUED BY MANUFACTURER, FAN CONTROL, WHITE, 1.6AMP, 4SPEED
    ✓ IN STOCK!
    Buy Surplus As Low As $12.89
    $12.89
    ALERTON TX-VAV

    ALERTON

    TX-VAV

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, IBEX, TERMINAL UNIT, V1.29, 24 V AC, 50 VA, 3 INPUTS, W/ 8-BIT RESOLUTION, 5 OUTPUTS, RATED 24 V AC, 0.5 AMP MAX, W/ ONBOARD VELOCITY TRANSDUCE ...
    ✓ IN STOCK!
    $1,176.46 Buy Surplus As Low As $726.65
    $726.65
    Repair Yours $640.00
    HONEYWELL RM7890B1048

    HONEYWELL

    RM7890B1048

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, DUST COVER, INTERMITTENT PILOT, FIXED 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, NONVOLATILE ...
    ✓ IN STOCK!
    $930.59 Buy Surplus As Low As $558.35
    $558.35
    Repair Yours $468.00
    HONEYWELL XF526

    HONEYWELL

    XF526

    DISCONTINUED BY MANUFACTURER , 500 ANALOG INPUT MODULE, 0-20MA, 0-10 VDC PT3000, PT100, BALCO.
    ✓ IN STOCK!
    Buy Surplus As Low As $13.20
    $13.20
    Repair Yours $300.00
    HONEYWELL W7760A2011

    HONEYWELL

    W7760A2011

    DISCONTINUED BY MANUFACTURER, BUILDING MANAGER, EXCEL 15 CONTROLLER, W/ WIRING SUBBASE, 20 VAC (WITH NO DIGITAL OUTPUTS), 100 VA (WITH DIGITAL OUTPUTS, 50/60 HZ, 1 DIGITAL INPUT, 8 ANALOG IN ...
    ✓ IN STOCK!
    Buy Surplus As Low As $162.53
    $162.53
    Repair Yours $300.00
    HONEYWELL 50001194-001

    HONEYWELL

    50001194-001

    FOOT MOUNTING KIT, BRACKET ASSEMBLY, UNIVERSAL, SURFACE MOUNT, FOR DIRECT COUPLED ACTUATORS
    ✓ IN STOCK!
    $208.99 Buy Surplus As Low As $137.93
    $137.93
    HONEYWELL 316208

    HONEYWELL

    316208

    DISCONTINUED BY MANUFACTURER, VALVE SEAT, 1.0&1.6CV 3/8 INCH VP526A
    ✓ IN STOCK!
    Buy Surplus As Low As $34.86
    $34.86
    HONEYWELL AF11S-112B

    HONEYWELL

    RESIDEO

    AF11S-112B

    REVERSE RINSING FINE FILTER, TYPE F76S, 20 MICRON FILT, 1.5" -2"
    ✓ IN STOCK!
    $286.82 Buy Surplus As Low As $172.09
    $172.09
    HONEYWELL 7640JP

    HONEYWELL

    7640JP

    DISCONTINUED BY MANUFACTURER, COUPLING BAG ASSEMBLY, FOR USE WITH: M436/M836 DAMPER MOTOR
    ✓ IN STOCK!
    $81.00 Buy Surplus As Low As $62.00
    $62.00
    HONEYWELL 116930

    HONEYWELL

    116930

    COIL,V88 REPLACEMENT COIL, 24V, 60HZ,2 LEAD WIRES
    ✓ IN STOCK!
    $141.40 Buy Surplus As Low As $93.32
    $93.32
    HONEYWELL FV180

    HONEYWELL

    RESIDEO

    FV180

    AIR VENT, 150-PSI MAX, 1/8 INCH NPT
    ✓ IN STOCK!
    $30.68 Buy Surplus As Low As $18.41
    $18.41
    HONEYWELL F76S1015

    HONEYWELL

    RESIDEO

    F76S1015

    WATER FILTER, 100 MICROMETERS SCREEN SIZE, 3/4 INCH PIP SIZE, 8.4CV CAPACITY, 230 PSI MAX PRESSURE, WITH GAUGE
    ✓ IN STOCK!
    $782.91 Buy Surplus As Low As $469.75
    $469.75
    HONEYWELL DM7600B1012

    HONEYWELL

    DM7600B1012

    8"ZONE DAMP,24V,W/ML6161,SPDT
    ✓ IN STOCK!
    $189.93 Buy Surplus As Low As $72.70
    $72.70
    HONEYWELL D690A1002

    HONEYWELL

    D690A1002

    DISCONTINUED BY MANUFACTURER, ZONE DAMPER, 6" ROUND, 90 DEGREE TRAVEL, 2500 FEET/MINUTE MAXIMUM APPROACH VELOCITY
    ✓ IN STOCK!
    Buy Surplus As Low As $88.65
    $88.65
    HONEYWELL 14004625-017

    HONEYWELL

    14004625-017

    DISC 200/337F V5011CG 100CV
    ✓ IN STOCK!
    $170.00 Buy Surplus As Low As $102.00
    $102.00
    HONEYWELL 14004401-002

    HONEYWELL

    14004401-002

    CONVERTASTAT WALL PLATE, BLACK
    ✓ IN STOCK!
    $32.63 Buy Surplus As Low As $21.54
    $21.54
    HONEYWELL 14004211-001

    HONEYWELL

    14004211-001

    FEEDBACK SPRING KIT, FOR 8" AND 13" MP953E SERIES PNEUMATIC VALVE ACTUATORS
    ✓ IN STOCK!
    $93.60 Buy Surplus As Low As $71.14
    $71.14
    HONEYWELL 14002040-002

    HONEYWELL

    14002040-002

    DIAPHRAGM 1X6 W/1.125 HOLE FOR MP953D ACT.RA REPLCS. 312204
    ✓ IN STOCK!
    $93.45 Buy Surplus As Low As $26.84
    $26.84
    HONEYWELL MS7520H2208

    HONEYWELL

    MS7520H2208

    DAMPER ACTUATOR, TWO POSITION, 24 VAC, 50/60 HZ, 175 LB-IN TORQUE, 16 VA DRIVING, SPST, 2 SPDT AUX SWITCH
    ✓ IN STOCK!
    $672.97 Buy Surplus As Low As $403.78
    $403.78
    Repair Yours $335.14
    HONEYWELL MS4120A1209

    HONEYWELL

    MS4120A1209

    HVAC ACTUATOR, DAMPER AND VALVE, SPRING RETURN, ON/OFF SIGNAL TYPE, 175 IN-LB TORQUE, 100-250 VAC, SPDT CONTACT, IP54, W/ 3 MM CRANK, MOUNTING BRACKET, SELF-CENTERING SHAFT ADAPTER
    ✓ IN STOCK!
    $846.00 Buy Surplus As Low As $425.00
    $425.00
    Repair Yours $353.00
    HONEYWELL MP909E-1463

    HONEYWELL

    MP909E-1463

    DAMPER ACTUATOR, MEDIUM FORCE,FOR VARIABLE VOLUME UNITS, 5-10PSI, # 4"STRK
    ✓ IN STOCK!
    $538.17 Buy Surplus As Low As $322.90
    $322.90
    Repair Yours $300.00
    HONEYWELL MP909D 1441

    HONEYWELL

    MP909D 1441

    LOW FORCE DAMPER ACTUATOR W/ SPRING RETURN ,FOR VARIABLE VOLUME TERMINAL UNITS ,(5 TO 10 PSI), ACTUATOR, 3" STROKE, 5-10#
    ✓ IN STOCK!
    $250.63 Buy Surplus As Low As $190.48
    $190.48
    Repair Yours $300.00
    HONEYWELL MN7234A2008

    HONEYWELL

    MN7234A2008

    DAMPER ACTUATOR, 34 NM / 300 LB-IN, 24 V AC/DC, 8 VA / 8 W, IP54, 50/60 HZ, 95 SECOND DRIVE TIME
    ✓ IN STOCK!
    $773.99 Buy Surplus As Low As $464.39
    $464.39
    Repair Yours $362.00
    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
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