Product Search

    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.

    Filter Results
    Results 1-50 of 846.
    AUTOMATED LOGIC S6104

    AUTOMATED LOGIC

    S6104

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, 20 VA, 24 VAC, SINGLE EQUIPMENT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,804.26
    $1,804.26
    Repair Yours $1,500.00
    ASEA BROWN BOVERI P-HA-RPS-FAN03000

    ASEA BROWN BOVERI

    BAILEY CONTROLS

    P-HA-RPS-FAN03000

    DISCONTINUED BY MANUFACTURER, MONITORING AND COOLING SYSTEM, SYMPHONY HARMONY SERIES, 102-265 VAC OR 102-144 VDC, 12.5 A, 47-63 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $684.17
    $684.17
    Repair Yours $491.65
    UNITED TECHNOLOGIES 32GB500734

    UNITED TECHNOLOGIES

    CARRIER

    32GB500734

    DISCONTINUED BY MANUFACTURER, BOARD, EXV DRIVER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,077.16
    $1,077.16
    Repair Yours $626.00
    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
    JOHNSON CONTROLS XP-9102-8304

    JOHNSON CONTROLS

    METASYS

    XP-9102-8304

    DISCONTINUED BY MANUFACTURER, EXPANSION MODULE, 6 ANALOG INPUTS, 2 ANALOG OUTPUTS, 24 VAC, 50/60 HZ, 3 VA, P/N: XP 9102
    ✓ IN STOCK!
    Buy Surplus As Low As $584.60
    $584.60
    Repair Yours $560.00
    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 $990.00
    $990.00
    Repair Yours $790.00
    HONEYWELL RM7895A1014

    HONEYWELL

    RM7895A1014

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, SELECTABLE INTERLOCKS, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 TO 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 1 ...
    ✓ IN STOCK!
    $1,581.20 Buy Surplus As Low As $903.54
    $903.54
    Repair Yours $550.00
    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!
    $3,208.69 Buy Surplus As Low As $1,925.21
    $1,925.21
    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 M7284A1012

    HONEYWELL

    M7284A1012

    ACTUATOR, MODUTROL IV MOTOR, NON-SPRING RETURN, FOOT MOUNTED, 4-20 MA MODULATING CONTROL SIGNAL, 160 DEGREE STROKE, 30-60 SECONDS TIMING, 17 NM / 150 LB-IN TORQUE RATING, 15 VA, 120 VAC, 50/ ...
    ✓ IN STOCK!
    $1,417.00 Buy Surplus As Low As $643.73
    $643.73
    Repair Yours $534.30
    HONEYWELL XD-505A

    HONEYWELL

    XD-505A

    DISCONTINUED BY MANUFACTURER, SUB-MODULE RETROFIT KIT, C-BUS INTERFACE, HVAC COMMUNICATION, 10KBIT, 9600 BAUD, FOR EXCEL 5000 CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,632.80
    $1,632.80
    Repair Yours $1,303.72
    SIEMENS LFL1.322

    SIEMENS

    LFL1.322

    GAS BURNER CONTROL, 02 SERIES, 220-240 V AC, 50/60 HZ, PLUG-IN DESIGN, 24 CONNECTION TERMINALS
    ✓ IN STOCK!
    $2,121.00 Buy Surplus As Low As $1,273.00
    $1,273.00
    Repair Yours $600.00
    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
    SIEMENS 6SY7000-0AB28

    SIEMENS

    6SY7000-0AB28

    DISCONTINUED BY MANUFACTURER 9/30/2020, RADIAL VENTILATION UNIT, 0.3 AMP, 230 VAC, 50/60 HZ, 75 W, USE WITH SIMOVERT MASTER DRIVE
    ✓ IN STOCK!
    Buy Surplus As Low As $940.68
    $940.68
    SIEMENS 6ES7408-1TA01-0XA0

    SIEMENS

    6ES7408-1TA01-0XA0

    DISCONTINUED BY MANUFACTURER 10/01/2021, FAN MODULE, FOR RACK, 24 VDC, 18 SLOTS, REPLACEMENT FOR 6ES7408-1TA00-0XA0
    ✓ IN STOCK!
    Buy Surplus As Low As $1,248.50
    $1,248.50
    SIEMENS 6GT2305-0CA00

    SIEMENS

    6GT2305-0CA00

    DISCONTINUED BY MANUFACTURER, INTERFACE MODULE, SIM 72, MOBY E SERIES, W/ INTEGRATED ANTENNA READ/WRITE DEVICE, RS-232/422 CONNECTION, 100 MM LIMIT DISTANCE, -25 TO +70 DEGREES C, IP65
    ✓ IN STOCK!
    Buy Surplus As Low As $1,304.38
    $1,304.38
    HONEYWELL RA890F1288

    HONEYWELL

    RA890F1288

    DISCONTINUED BY MANUFACTURER, PRIMARY BURNER CONTROL, PROTECTORELAY, SPDT ALARM RELAY SWITCHING, 3.0 SECOND FLAME FAILURE RESPONSE TIME, 15 SECOND SAFETY SWITCH TIMING, RECTIFICATION W/ ALAR ...
    ✓ IN STOCK!
    Buy Surplus As Low As $2,496.72
    $2,496.72
    Repair Yours $1,790.00
    JOHNSON CONTROLS AS-AHU-101-1

    JOHNSON CONTROLS

    METASYS

    AS-AHU-101-1

    DISCONTINUED BY MANUFACTURER, CONTROLLER, DDC, 4 AMP, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,498.66
    $1,498.66
    Repair Yours $1,129.46
    ALERTON LSI-ARCNET

    ALERTON

    LSI-ARCNET

    ARCNET CARD
    ✓ IN STOCK!
    Buy Surplus As Low As $682.13
    $682.13
    Repair Yours $482.74
    JOHNSON CONTROLS YKHPC102-0

    JOHNSON CONTROLS

    YKHPC102-0

    CONTROLLER TRIATHLON HEAT PUMP OEM YORK
    ✓ IN STOCK!
    Buy Surplus As Low As $511.60
    $511.60
    Repair Yours $446.98
    HONEYWELL M6184A1023

    HONEYWELL

    M6184A1023

    DISCONTINUED BY MANUFACTURER, MOTOR ACTUATOR, SERIES 61 MODUTROL IV, VALVE DAMPER ACTUATOR, DOUBLE ENDED SHAFT, 120 VAC SUPPLY, 50 HZ, 90-160 DEG. ADJUSTABLE STROKE, 15-30 SECOND NOMINAL TIM ...
    ✓ IN STOCK!
    Buy Surplus As Low As $773.94
    $773.94
    Repair Yours $458.00
    JOHNSON CONTROLS AS-UNT110-1

    JOHNSON CONTROLS

    METASYS

    AS-UNT110-1

    DISCONTINUED BY MANUFACTURER, UNITARY CONTROLLER, CLASS 2, INPUT / 2 AMP / 24 VAC, OUTPUT / 0.54 AMP / 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,070.65
    $1,070.65
    Repair Yours $872.00
    JOHNSON CONTROLS AS-AHU-102-0

    JOHNSON CONTROLS

    METASYS

    AS-AHU-102-0

    DISCONTINUED BY MANUFACTURER, CONTROLLER BOARD, AIR HANDLING, 24 VDC, W/O CASE
    ✓ IN STOCK!
    Buy Surplus As Low As $850.50
    $850.50
    Repair Yours $580.00
    HONEYWELL M7284A1038

    HONEYWELL

    M7284A1038

    DISCONTINUED BY MANUFACTURER, ACTUATOR, MODUTROL IV MOTOR, NON-SPRING RETURN, FOOT MOUNTED, 4-20 MA MODULATING CONTROL SIGNAL, 160 DEGREE STROKE, 15-30 SECONDS TIMING, 8.5 NM / 75 LB-IN TORQ ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,310.78
    $1,310.78
    Repair Yours $996.00
    HONEYWELL RM7895A1048

    HONEYWELL

    RM7895A1048

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, SPECIAL SEQUENCE EARLY SPARK TERMINATION, SELECTABLE INTERLOCKS, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 ...
    ✓ IN STOCK!
    $1,461.67 Buy Surplus As Low As $877.00
    $877.00
    Repair Yours $453.83
    HONEYWELL RM7840M1017

    HONEYWELL

    RM7840M1017

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL, DUST COVER, INTERRUPTED PILOT TYPE, INTERMITTENT SECOND STAGE PILOT VALVE, 5 SECOND EARLY SPARK TERMINATION, 15 SECOND PO ...
    ✓ IN STOCK!
    $6,180.89 Buy Surplus As Low As $3,708.53
    $3,708.53
    Repair Yours $990.00
    HONEYWELL RM7800L1053

    HONEYWELL

    RM7800L1053

    BURNER CONTROL, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PRE-IGNITION, LOCKOUT, HIGH & LOW FIRE, 120 VAC, 50/60 HZ, 10 W
    ✓ IN STOCK!
    $5,029.19 Buy Surplus As Low As $3,017.51
    $3,017.51
    Repair Yours $1,990.00
    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 W973B1016

    HONEYWELL

    W973B1016

    DISCONTINUED BY MANUFACTURER, SOLID STATE LOGIC PANEL, 24 VOLTS, 50/60 HZ, 3 HEAT / 3 COOL, 8 VA, -40 TO 150 DEGREE F
    ✓ IN STOCK!
    Buy Surplus As Low As $1,508.22
    $1,508.22
    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 $544.39
    $544.39
    JOHNSON CONTROLS AP-VMA1420-0

    JOHNSON CONTROLS

    METASYS

    AP-VMA1420-0

    DISCONTINUED BY MANUFACTURER, VARIABLE AIR VOLUME MODULAR ASSEMBLY, 1400 SERIES, VAV CONTROLLER, PRESSURE SENSOR, 24 VAC, CLASS 2, PROPORTIONAL, 30 SEC, 90 DEG ROTATION, (SUGGESTED REPLACEME ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,190.00
    $1,190.00
    Repair Yours $790.00
    JOHNSON CONTROLS V47AA-3C

    JOHNSON CONTROLS

    PENN BASO

    V47AA-3C

    PB IN. TEMP ACT MODULATING VALVE. TEMP WATER REG VALVE. 3/8IN. 75/135F CROSS AMBIENT IN.
    ✓ IN STOCK!
    $736.00 Buy New $736.00
    $560.00
    HONEYWELL RP920B-1023

    HONEYWELL

    RP920B-1023

    PNEUMATIC CONTROLLER, DIRECT ACTING, DUAL SENSOR,18 PSI, 3-13 PSI OUTPUT PRESSURE RANGE, AIR CONNECTIONS: 5/32"X1/4" BARB, 3-15 PSI INPUT SIGNAL
    ✓ IN STOCK!
    $1,288.70 Buy Surplus As Low As $773.22
    $773.22
    Repair Yours $449.51
    HONEYWELL ML8175D-1006

    HONEYWELL

    ML8175D-1006

    ROTARY ACTUATOR, 24VAC, 25LN-IN
    ✓ IN STOCK!
    Buy Surplus As Low As $593.00
    $593.00
    HONEYWELL RM7800L1012

    HONEYWELL

    RM7800L1012

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PRE-IGNITION, LOCKOUT, LOW AND HIGH FIRE INTERLOCKS, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $5,089.00 Buy Surplus As Low As $3,053.40
    $3,053.40
    Repair Yours $1,095.00
    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
    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!
    $2,701.84 Buy Surplus As Low As $1,621.11
    $1,621.11
    Repair Yours $909.00
    RITTAL 3302.100

    RITTAL

    3302.100

    COOLING UNIT, WALL MOUNTED, .36 KW, 1228 BTU, 230 VAC, 50/60 HZ
    ✓ IN STOCK!
    $2,492.00 Buy New $2,492.00
    $1,420.30
    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 $606.24
    $606.24
    HONEYWELL W7081A1015

    HONEYWELL

    W7081A1015

    DISCONTINUED BY MANUFACTURER, LIMIT CONTROLLER, W7081A, MULTIZONE, W7080, HOT DECK/COLD DECK, MIXED AIR LIMITS, 24 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,244.43
    $1,244.43
    Repair Yours $941.94
    HONEYWELL 14004139-001

    HONEYWELL

    14004139-001

    POSITIVE POSITIONER REFTROFIT KIT , 14004139-001
    ✓ IN STOCK!
    $1,601.60 Buy Surplus As Low As $1,057.10
    $1,057.10
    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 MP909E1372

    HONEYWELL

    MP909E1372

    MEDIUM FORCE DAMPER ACTUATOR, W/ SPRING RETURN, FOR VARIABLE VOLUME TERMINAL UNITS, 2.5 TO 6.5 PSI, 1/8 INCH NPT, 3 INCH STROKE
    ✓ IN STOCK!
    $774.00 Buy Surplus As Low As $589.00
    $589.00
    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!
    $1,225.48 Buy Surplus As Low As $735.28
    $735.28
    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 $648.00
    $648.00
    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
    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
    JOHNSON CONTROLS AS-UNT121-1

    JOHNSON CONTROLS

    METASYS

    AS-UNT121-1

    DISCONTINUED BY MANUFACTURER, UNT111 CONTROLLER, WITH HEATER, UNITARY, 0-10 VDC, 2 KOHM, -40/140 DEG F
    ✓ IN STOCK!
    Buy Surplus As Low As $607.70
    $607.70
    Repair Yours $490.00
    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
    $4,717.10
    RITTAL 3305.500

    RITTAL

    3305.500

    COOLING UNIT, TOPTHERM BLUE E, 5.5-5.8/12-14 AMP, 1 PHASE, 230 VAC, 50/60 HZ, 28 BAR, MATERIAL: CARBON SHEET STEEL, WALL MOUNTED, COLOUR: LIGHT GREY (RAL 7035), WITH ECOMFORT CONTROLLER, RIN ...
    ✓ IN STOCK!
    $5,039.00 Buy New $5,039.00
    $2,799.72
    Repair Yours $2,214.00
    Next
    1 2 3 4 5 6 7 8 9 10 11