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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 1-50 of 882.
    HONEYWELL 51198831-100

    HONEYWELL

    MEASUREX

    51198831-100

    DISCONTINUED BY MANUFACTURER, COMMUNICATION MODULE, TDC2000, PWA HIGHWAY
    ✓ IN STOCK!
    Buy Surplus As Low As $1,440.00
    $1,440.00
    Repair Yours $956.16
    TECO-WESTINGHOUSE V1K130A00

    TECO-WESTINGHOUSE

    V1K130A00

    FILTER, TCI MOTOR PROTECTION, V1K SERIES, 130 AMP, 480 VAC, OPEN, STANDARD
    ✓ IN STOCK!
    $2,407.55 Buy Surplus As Low As $1,016.64
    $1,016.64
    JOHNSON CONTROLS MS-NAE5510-2

    JOHNSON CONTROLS

    METASYS

    MS-NAE5510-2

    DISCONTINUED BY MANUFACTURER, NETWORK AUTOMATION ENGINE, 24VAC, N2/BACNET, MS/TP
    ✓ IN STOCK!
    Buy Surplus As Low As $5,192.68
    $5,192.68
    Repair Yours $3,495.00
    SIEMENS 6SY7000-0AD05

    SIEMENS

    6SY7000-0AD05

    DISCONTINUED BY MANUFACTURER: 04/21/2024, RADIAL FAN, WITH CAPACITOR, MOUNTED ONLY FOR DESIGN K, SUCCESSOR: 6SY7000-0AH87
    ✓ IN STOCK!
    Buy Surplus As Low As $10,865.00
    $10,865.00
    Repair Yours $9,017.95
    HONEYWELL RA890F1338

    HONEYWELL

    RA890F1338

    DISCONTINUED BY MANUFACTURER, PROTECTOR RELAY, FLAME SAFETY, FLAME CONTROL, 120 VAC, 50/60 HZ, 30 SEC / 0.8 SEC
    ✓ IN STOCK!
    $4,625.67 Buy Surplus As Low As $3,239.85
    $3,239.85
    Repair Yours $990.00
    CLEAVER BROOKS 833-2718

    CLEAVER BROOKS

    833-2718

    BURNER CONTROL UNIT, KEYBOARD DISPLAY MODULE, AUTO PROGRAM, 120 VAC, 60 HZ, 30 SECONDS, (CB833-2718), (833-2718-000), (RM7800L1079)
    ✓ IN STOCK!
    $7,958.80 Buy Surplus As Low As $4,775.28
    $4,775.28
    Repair Yours $2,790.00
    HONEYWELL ML8175D-1006

    HONEYWELL

    ML8175D-1006

    ROTARY ACTUATOR, 24VAC, 25LN-IN
    ✓ IN STOCK!
    Buy Surplus As Low As $593.00
    $593.00
    HONEYWELL RA890G1229

    HONEYWELL

    RA890G1229

    20 VAC PROTECTORELAY W/ 0.8 SECOND FFTR (15 SAFETY SWITCH TIMING)
    ✓ IN STOCK!
    $3,422.00 Buy New $3,422.00
    $3,433.65
    Repair Yours $790.00
    UNITED TECHNOLOGIES HK42FZ011

    UNITED TECHNOLOGIES

    CARRIER

    HK42FZ011

    DISCONTINUED BY MANUFACTURER, FURNACE CONTROL, HSCI, 24 VAC INPUT, 465 MA, 60 HZ, 120 VAC LINE, 1012-940
    ✓ IN STOCK!
    Buy Surplus As Low As $509.54
    $509.54
    Repair Yours $399.00
    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
    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 $804.32
    $804.32
    Repair Yours $640.00
    AUTOMATED LOGIC SE6104

    AUTOMATED LOGIC

    SE6104

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, 24 VAC, CONTROLS UP TO 20 POINTS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,819.79
    $1,819.79
    Repair Yours $1,050.00
    AUTOMATED LOGIC M8102

    AUTOMATED LOGIC

    M8102

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE 10INPUT 10OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $2,215.95
    $2,215.95
    Repair Yours $1,900.00
    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
    HONEYWELL MS4120A-1001

    HONEYWELL

    MS4120A-1001

    ACTUATOR / COUPLED, S20 SERIES, SPRING RETURN DIRECT, 100/250 VAC, TWO POSITION, SPST CONTROL SIGNAL, 45 SECOND NOMINAL DRIVING TIME, 20 SECOND MAXIMUM SPRING RETURN
    ✓ IN STOCK!
    $736.05 Buy Surplus As Low As $524.44
    $524.44
    Repair Yours $300.00
    HONEYWELL 314459A

    HONEYWELL

    314459A

    REBUILD KIT, FOR VP522A 1039 SEQUENCING WATER VALVE. STEM AND DISC HOLDER, BUTTON WITH SCREW, PACKING, INSTRUCTIONS
    ✓ IN STOCK!
    $852.00 Buy Surplus As Low As $571.00
    $571.00
    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!
    $1,017.96 Buy New $1,017.96
    $774.18
    Repair Yours $460.00
    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!
    $4,239.12 Buy New $4,239.12
    $2,335.17
    RITTAL 3302300

    RITTAL

    3302300

    COOLING UNIT, TOPTHERM BLUE E, 0.32 KW MAX. OUTPUT, 1-PHASE, 230 V, 50/60 HZ, 1.7 A, WALL MOUNTED, SHEET STEEL MATERIAL, (SK 3302.300)
    ✓ IN STOCK!
    $4,011.97 Buy New $4,011.97
    $3,049.14
    RITTAL 3127100

    RITTAL

    3127100

    SIDEMTG, RAL 7035, STEEL A-A HEX 30 W-C 230V 50-60HZ TYPE 12 SIDEMTG, RAL 7035, STEEL
    ✓ IN STOCK!
    $2,804.00 Buy New $2,804.00
    $2,132.00
    HONEYWELL W7750B-2003

    HONEYWELL

    W7750B-2003

    CONSTANT VOLUME AIR HANDLING UNIT CONTROLLER (CVAHU), 3 ANALOG OUTPUTS, 5 TRIAC OUTPUTS,
    ✓ IN STOCK!
    Buy Surplus As Low As $803.04
    $803.04
    Repair Yours $300.00
    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 $2,521.73
    $2,521.73
    Repair Yours $2,100.00
    ALERTON LSI-ARCNET

    ALERTON

    LSI-ARCNET

    ARCNET CARD
    ✓ IN STOCK!
    Buy Surplus As Low As $682.13
    $682.13
    Repair Yours $750.00
    PARKER ADS-50

    PARKER

    FINITE FILTER

    ADS-50

    DRAIN TRAP ASSEMBLY, FLOAT ACTUATED, 1/2IN NPT, 400PSIG
    ✓ IN STOCK!
    $1,365.00 Buy Surplus As Low As $510.10
    $510.10
    PARKER 10DSS51-280X1

    PARKER

    FINITE FILTER

    10DSS51-280X1

    AIR FILTER, GRADE 10 COALESCING ELEMENT WITH 2 METAL RETAINERS FOR HIGH TEMPERATURE, SILICONE END SEAL, STAINLESS STEEL MEDIA RETAINER, 51-280 SIZE, SOLD INDIVIDUALLY
    ✓ IN STOCK!
    $2,710.93 Buy Surplus As Low As $1,707.91
    $1,707.91
    SIEMENS LGK16.635A27

    SIEMENS

    LGK16.635A27

    GAS BURNER CONTROL, T1=66S, TSA=2.5S, AC230V
    ✓ IN STOCK!
    $3,287.00 Buy Surplus As Low As $1,973.00
    $1,973.00
    Repair Yours $1,638.00
    SIEMENS LAL1.25

    SIEMENS

    LANDIS & GYR

    LAL1.25

    OIL BURNER CONTROL, UNIVERSAL, QRB1/QRC1, 220 VAC, 50/60 HZ
    ✓ IN STOCK!
    $2,121.00 Buy Surplus As Low As $598.00
    $598.00
    Repair Yours $603.28
    SPIRAX SARCO 58160

    SPIRAX SARCO

    58160

    FLOAT KIT, SPARE PARTS, 2 INCH SIZE, FOR FTB-30 / FTB-125/ FTB-200 / FTB-175 TRAPS
    ✓ IN STOCK!
    $1,048.00 Buy Surplus As Low As $797.00
    $797.00
    SPIRAX SARCO 57140

    SPIRAX SARCO

    57140

    SPIRAX-SARCO REPAIR KIT FOR 1-1/2" SERIES 25 MAIN REGULATING VALVES. THIS KIT INCLUDES COVER GASKET, VALVE HEAD, SEAT, AND SEAT GASKET.
    ✓ IN STOCK!
    $1,307.00 Buy Surplus As Low As $1,054.88
    $1,054.88
    SPIRAX SARCO 6150293

    SPIRAX SARCO

    6150293

    IFT14-14 FLOAT & THERMOSTATIC STEAM TRAP. DUCTILE IRON. SPIRA-TEC READY CONNECTION
    ✓ IN STOCK!
    $1,085.70 Buy Surplus As Low As $595.00
    $595.00
    SPIRAX SARCO 80090

    SPIRAX SARCO

    80090

    SARCO 80090 FT-150 FLOAT & THERMOSTATIC STEAM TRAP MECHANISM ASSY. GS-07F-9515S GSA GS-07F-9515S
    ✓ IN STOCK!
    $1,536.00 Buy Surplus As Low As $849.00
    $849.00
    SPIRAX SARCO 58133

    SPIRAX SARCO

    58133

    VALVE MECHANISM KIT, F0R USE W / FA-75 AND F-75, 1-1/2'' AND 1-1/4 NPTFLOAT AND THERMOSTATIC STEAM TRAP
    ✓ IN STOCK!
    $931.00 Buy Surplus As Low As $680.46
    $680.46
    HEAT TIMER HWR-Q

    HEAT TIMER

    HWR-Q

    DISCONTINUED BY MANUFACTURER, BOILER CONTROL UNIT, 120 VAC, 6 AMPS RESISTIVE, 1 AMP PILOT DUTY, 15 AMPS TOTAL, 60 HZ, 30 VA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $1,497.15
    $1,497.15
    Repair Yours $1,887.82
    AAON P81530

    AAON

    P81530

    BLOWER WHEEL
    ✓ IN STOCK!
    $1,309.00 Buy Surplus As Low As $864.00
    $864.00
    KMC CONTROLS KMD-5100

    KMC CONTROLS

    KMD-5100

    LAN CONTROLLER CARD MULTINET
    ✓ IN STOCK!
    Buy Surplus As Low As $2,271.00
    $2,271.00
    Repair Yours $1,884.93
    EATON CORPORATION CP01037

    EATON CORPORATION

    CUTLER HAMMER

    CP01037

    FAN UNIT SV9000
    ✓ IN STOCK!
    $2,104.47 Buy Surplus As Low As $842.40
    $842.40
    Repair Yours $622.65
    SIEMENS 6ES59810FA41

    SIEMENS

    6ES59810FA41

    SIMATIC S5 DUST FILTER HOLDER
    ✓ IN STOCK!
    Buy Surplus As Low As $635.00
    $635.00
    SIEMENS 6RY1241-0BA00

    SIEMENS

    6RY1241-0BA00

    DISCONTINUED BY MANUFACTURER, DISCONTINUED BY MANFACTURER, FAN UNIT, BLOWER MODULE, REPLACMENT FOR 6QX5376
    ✓ IN STOCK!
    Buy Surplus As Low As $3,000.00
    $3,000.00
    Repair Yours $2,490.00
    SIMCO 4004175

    SIMCO

    4004175

    DISCONTINUED BY MANUFACTURER, BLOWER, 2/1.25 AMP, 120/230 VAC, 50/60HZ, 110-300 CFM
    ✓ IN STOCK!
    Buy Surplus As Low As $4,284.00
    $4,284.00
    Repair Yours $3,486.00
    INVENSYS RPTR-WIRE-0-0-1

    INVENSYS

    BARBER COLMAN

    RPTR-WIRE-0-0-1

    DISCONTINUED BY MANUFACTURER, REPEATER / NETWORK 8000, RS-485, INPUT / 10 VA / 24 VAC / 50/60 HZ, AMBIENT TEMPERATURE / PAZX -40 F TO 140 F, USE MINIMUM 75 DEGREE C WIRE
    ✓ IN STOCK!
    Buy Surplus As Low As $989.99
    $989.99
    Repair Yours $821.69
    ALERTON VLC-853

    ALERTON

    VLC-853

    DISCONTINUED BY MANUFACTURER, PLC MODULE, BACTALK, BACNET, STAND ALONE CONTROLLER OPTION, 3 ANALOG INPUT, 5 BINARY OUTPUT, 8 UNIVERSAL INPUT, 24 VAC, 0-10 VDC, 4-20 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $835.76
    $835.76
    Repair Yours $600.00
    DELTA CONTROLS DSC-1616E

    DELTA CONTROLS

    DSC-1616E

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE CONTROLLER, BACNET, CLASS 2, 16 INPUTS, 16 OUTPUTS, 24 VAC, 32-BIT PROCESSOR, 2 MB FLASH MEMORY
    ✓ IN STOCK!
    Buy Surplus As Low As $1,203.94
    $1,203.94
    Repair Yours $915.49
    SIEMENS 550-400P10

    SIEMENS

    LANDIS & GYR

    550-400P10

    ACTUATOR TERMINAL EQUIPMENT CONTROLLER, PACK OF 10
    ✓ IN STOCK!
    $5,151.60 Buy Surplus As Low As $2,099.77
    $2,099.77
    Repair Yours $1,918.87
    RITTAL 3375510

    RITTAL

    3375510

    SIDEMTG, COMFORT CONTROL, RAL 7035, STEEL A-W HEX 17060BTU 115V 50-60HZ TYPE 12 SIDEMTG, COMFORT CONTROL, RAL 7035, STEEL
    ✓ IN STOCK!
    $7,427.00 Buy New $7,427.00
    $5,339.00
    HONEYWELL PVB6436-AS

    HONEYWELL

    PVB6436-AS

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE VAV CONTROLLER, W/ACTUATOR, BACNET COMMUNICATIONS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,197.18
    $1,197.18
    Repair Yours $1,591.61
    ZIEHL ABEGG RH31M-4EK.2F.1R

    ZIEHL ABEGG

    RH31M-4EK.2F.1R

    FAN, RH31M SERIES, CENTRIFUGAL, 230 VAC, 50/60 HZ, 23 KW MAX., 2.0 AMPS, 1520 RPM
    ✓ IN STOCK!
    $4,342.05 Buy Surplus As Low As $2,530.17
    $2,530.17
    Repair Yours $2,018.00
    HONEYWELL WEB-201

    HONEYWELL

    WEB-201

    DISCONTINUED BY MANUFACTURER, CONTROLLER MODULE, BASIC UNIT
    ✓ IN STOCK!
    Buy Surplus As Low As $888.00
    $888.00
    Repair Yours $1,022.56
    JOHNSON CONTROLS MM-CPN201-0

    JOHNSON CONTROLS

    MM-CPN201-0

    DISCONTINUED BY MANUFACTURER, COMPANION PANEL KIT
    ✓ IN STOCK!
    Buy Surplus As Low As $877.00
    $877.00
    Repair Yours $839.96
    BARD 8620-185

    BARD

    8620-185

    DISCONTINUED BY MANUFACTURER, ECONOMIZER CONVERSION KIT, 24VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $525.00
    $525.00
    UNITED TECHNOLOGIES CEAS430189-02

    UNITED TECHNOLOGIES

    CARRIER

    CEAS430189-02

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, PSIO II, 30GX CHILLER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,783.00
    $1,783.00
    Repair Yours $2,988.00
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