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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 852.
    HONEYWELL RM7895B1013

    HONEYWELL

    RM7895B1013

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, DUST COVER, INTERMITTENT PILOT TYPE, DYNAMIC AIRFLOW CHECK, SELECTABLE INTERLOCKS, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 TO 10 SECOND ...
    ✓ IN STOCK!
    $1,327.69 Buy Surplus As Low As $796.61
    $796.61
    Repair Yours $562.00
    HONEYWELL M9185A1018

    HONEYWELL

    M9185A1018

    AC MOTOR, MODUTROL IV, PROPORTIONAL CONTROL, 24 VAC, 50/60 HZ, 135 OHM CONTROL, 60 LB-IN, SPRING RETURN, 30-60 SEC NOMINAL, QUICK CONNECT, 90-160 DEG STROKE, FOOT MOUNT, CW ROTATION, NEMA 3
    ✓ IN STOCK!
    $2,128.57 Buy Surplus As Low As $1,277.14
    $1,277.14
    Repair Yours $790.00
    HONEYWELL R7044B1016-3

    HONEYWELL

    R7044B1016-3

    DISCONTINUED BY MANUFACTURER, CONTROLLER MODULE, DELTANET, EXCEL PLUS, HVAC, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,046.23
    $1,046.23
    Repair Yours $860.54
    HONEYWELL M4185B1009

    HONEYWELL

    M4185B1009

    HVAC ACTUATOR, MODUTROL IV MOTOR, SERIES 41, LINE VOLTAGE, 2 POSITION CONTROL, 120 VAC, 60 LB-IN, NORMALLY CLOSED, SPRING RETURN, DUAL-ENDED SHAFT, 1 AUX SWITCH
    ✓ IN STOCK!
    $1,634.00 Buy Surplus As Low As $1,100.17
    $1,100.17
    Repair Yours $946.00
    HONEYWELL RM7838C1004

    HONEYWELL

    RM7838C1004

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SEMI AUTOMATIC PROGRAMMING CONTROL, KEYBOARD DISPLAY MODULE, LOCKOUT INTERLOCKS, PRE-IGNTION, 10 SECOND MAIN FLAME ESTABLISHING PERIOD INTERMI ...
    ✓ IN STOCK!
    $2,687.29 Buy Surplus As Low As $1,612.37
    $1,612.37
    Repair Yours $990.00
    HONEYWELL RM7824A1006

    HONEYWELL

    RM7824A1006

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PE ...
    ✓ IN STOCK!
    $1,497.00 Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $669.73
    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!
    $2,339.26 Buy Surplus As Low As $1,403.56
    $1,403.56
    Repair Yours $909.00
    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 14507287-003

    HONEYWELL

    14507287-003

    DISCONTINUED BY MANUFACTURER, POWER SUPPLY, EXTENDED, 120 VAC INPUT, 50VA CONTOLLER TRANSF + 100VA & 24VDC ACCESS TRANSF W/ CONV OUTLET & BREAKER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,545.54
    $1,545.54
    Repair Yours $1,282.80
    DEUBLIN 1690-000-115

    DEUBLIN

    1690-000-115

    ROTATING UNION, LOW-SPEED, 2 WAY PNEUMATIC HYDRAULIC, 1" NPT RH, 1/4" NPT, AIR FLOW MAX - 150 PSI
    ✓ IN STOCK!
    $556.00 Buy Surplus As Low As $423.00
    $423.00
    Repair Yours $312.00
    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
    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 $499.55
    $499.55
    Repair Yours $399.00
    JOHNSON CONTROLS P20DB-1C

    JOHNSON CONTROLS

    PENN BASO

    P20DB-1C

    AIR CONDITIONING/PRESSURE CUTOUT CONTROLRANGE 100-425PSIGMANUAL RESET
    ✓ IN STOCK!
    $147.00 Buy Surplus As Low As $76.35
    $76.35
    HONEYWELL Q674C1058

    HONEYWELL

    Q674C1058

    SWITCH SUB-BASE, T874, OFF/AUTO FAN AUTO/ON
    ✓ IN STOCK!
    $18.33 Buy Surplus As Low As $13.93
    $13.93
    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 $592.35
    $592.35
    Repair Yours $491.65
    HONEYWELL 445100

    HONEYWELL

    LEEDS & NORTHRUP

    445100

    DISCONTINUED BY MANUFACTURER, OUTPUT BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $101.72
    $101.72
    Repair Yours $300.00
    HONEYWELL M7284A1004

    HONEYWELL

    M7284A1004

    ACTUATOR, MODUTROL IV MOTOR, NON-SPRING RETURN, FOOT MOUNTED, 4-20 MA MODULATING CONTROL SIGNAL, 90 DEGREE STROKE, 30-60 SECONDS TIMING, 17 NM / 150 LB-IN TORQUE RATING, 15 VA, 120 VAC, 50/6 ...
    ✓ IN STOCK!
    $1,904.00 Buy Surplus As Low As $1,448.00
    $1,448.00
    Repair Yours $344.71
    HONEYWELL S427D-1007

    HONEYWELL

    S427D-1007

    DISCONTINUED BY MANUFACTURER, PLUG IN PURGE TIMER, 2-15MIN RANGE, 120VAC, 60HZ, SPST SWITCHING
    ✓ IN STOCK!
    Buy Surplus As Low As $165.00
    $165.00
    Repair Yours $300.00
    HONEYWELL RM7890A1015

    HONEYWELL

    RM7890A1015

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, DUST COVER, INTERMITTENT PILOT, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, NONVOLATILE MEMOR ...
    ✓ IN STOCK!
    $1,299.89 Buy Surplus As Low As $779.93
    $779.93
    Repair Yours $431.00
    HONEYWELL RM7895D1011

    HONEYWELL

    RM7895D1011

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERRUPTED PILOT TYPE, DELAYED MAIN VALVE, DYNAMIC AIRFLOW CHECK, SELECTABLE INTERLOCKS, 10 SECOND MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SE ...
    ✓ IN STOCK!
    $1,314.49 Buy Surplus As Low As $792.86
    $792.86
    Repair Yours $654.61
    HONEYWELL RM7895C1012

    HONEYWELL

    RM7895C1012

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PREPURGE, INTERRUPTED PILOT, 10 SECOND MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, DELAYED MAIN VALVE, SEL ...
    ✓ IN STOCK!
    $1,445.00 Buy Surplus As Low As $867.00
    $867.00
    Repair Yours $650.00
    HAMMOND MANUFACTURING FAN80AC115

    HAMMOND MANUFACTURING

    FAN80AC115

    AXIAL FAN, 80MM, 115VAC; NOMINAL RATED VOLTAGE AC:115V; FAN FRAME TYPE:SQUARE; FAN FRAME SIZE:80MM; EXTERNAL DEPTH:38MM; BEARING TYPE:BALL BEARING; AIR FLOW - CFM:32CFM; NOISE RATING:34DBA; ...
    ✓ IN STOCK!
    $63.00 Buy Surplus As Low As $48.00
    $48.00
    PFANNENBERG 11020152050

    PFANNENBERG

    11020152050

    DISCONTINUED BY MANUFACTURER, FILTER FAN, 115 VAC, 60 HZ, 11 W, BLACK GRILL, IP43 / NEMA1, PF1000
    ✓ IN STOCK!
    Buy Surplus As Low As $259.91
    $259.91
    JOHNSON CONTROLS P28AA-17C

    JOHNSON CONTROLS

    PENN BASO

    P28AA-17C

    LUBE OIL PROTECTION CTL. 8/70 PSI.36 INCH CAP. MAN RESET.JUMP NOT INSTLL. NEMA 1, 120 SEC TIME DELAY.
    ✓ IN STOCK!
    $444.00 Buy Surplus As Low As $294.00
    $294.00
    HONEYWELL T7022A-1010

    HONEYWELL

    T7022A-1010

    AIR DUCT SENSOR, 1420 OHMS THERMISTOR, 60-90 DEGREE F TEMPERATURE RANGE
    ✓ IN STOCK!
    $284.75 Buy Surplus As Low As $187.94
    $187.94
    HONEYWELL ST795A1007

    HONEYWELL

    ST795A1007

    DISCONTINUED BY MANUFACTURER, PREPURGE TIMER, PLUG-IN, SOLID STATE, 1.5 SECONDS, FOR USE WITH R7795 FULL FUNCTION PRIMARY SAFETY CONTROL
    ✓ IN STOCK!
    $270.00 Buy Surplus As Low As $88.31
    $88.31
    HONEYWELL RM7890B1014

    HONEYWELL

    RM7890B1014

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $1,088.99 Buy Surplus As Low As $653.39
    $653.39
    Repair Yours $300.00
    HONEYWELL ML7984A-3001

    HONEYWELL

    ML7984A-3001

    DISCONTINUED BY MANUFACTURER, VALVE ACTUATORD COUPLED, DIR/REV ACTING STROKE, 24VAC/28VDC, 0-55C, 19MM/3/4IN
    ✓ IN STOCK!
    Buy Surplus As Low As $737.78
    $737.78
    Repair Yours $648.00
    HONEYWELL 14003124-002

    HONEYWELL

    14003124-002

    SEAL AND DIAPHRAGM KIT, FOR MP953B D/F, REPLACEMENT FOR ACTUATOR DIAPHRAGM, POLYEURATHANE
    ✓ IN STOCK!
    $322.29 Buy Surplus As Low As $244.94
    $244.94
    HONEYWELL 30757215-001

    HONEYWELL

    30757215-001

    DISCONTINUED BY MANUFACTURER, NEMA 4 WEATHER COVER KIT, UPGRADE KIT, BLACK
    ✓ IN STOCK!
    Buy Surplus As Low As $44.47
    $44.47
    HONEYWELL RP920B-1031

    HONEYWELL

    RP920B-1031

    PROPORTIONAL PNEUMATIC CONTROLLER, 17-30 PSI OPERATING PRESSURE, 3-15 PSI DUAL INPUT SIGNAL, 40-130 F TEMPERATURE RATING
    ✓ IN STOCK!
    $1,027.58 Buy Surplus As Low As $616.55
    $616.55
    Repair Yours $300.00
    HONEYWELL RM7895C1020

    HONEYWELL

    RM7895C1020

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERRUPTED PILOT TYPE, DELAYED MAIN VALVE, SPECIAL SEQUENCE EARLY SPARK TERMINATION, SELECTABLE INTERLOCKS, 10 SECOND MAIN FLAME ESTABLISHING ...
    ✓ IN STOCK!
    $1,897.28 Buy Surplus As Low As $1,138.37
    $1,138.37
    Repair Yours $690.00
    HONEYWELL RM7885A1015

    HONEYWELL

    RM7885A1015

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, DUST COVER, MANUAL START INDUSTRIAL PRIMARY CONTROL, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 15 MINUTE PILOT FLA ...
    ✓ IN STOCK!
    $990.22 Buy Surplus As Low As $653.55
    $653.55
    Repair Yours $390.00
    HONEYWELL ML8195A-1007

    HONEYWELL

    ML8195A-1007

    DISCONTINUED BY MANUFACTURER, ACTUATOR, 24VAC, 50/60HZ, 142LB-IN TORQUE
    ✓ IN STOCK!
    $492.00 Buy Surplus As Low As $374.00
    $374.00
    Repair Yours $300.00
    HONEYWELL ML8185D1005

    HONEYWELL

    ML8185D1005

    DISCONTINUED BY MANUFACTURER, DIRECT COUPLED ACTUATOR, SPRING RETURN, 24 VAC, 50/60 HZ, 12 VA, CLASS 2, 50 LB-IN, REPLACED BY MS8110A1008
    ✓ IN STOCK!
    Buy Surplus As Low As $218.54
    $218.54
    Repair Yours $300.00
    HONEYWELL M6184D-1035

    HONEYWELL

    M6184D-1035

    DAMPER ACTUATOR, M61 SERIES, FLOATING CONTROL SIGNAL, 24 VAC SUPPLY, 50/60HZ, 90-160 DEGREE ROTATIONAL STROKE, 3/8 INCH SHAFT SIZE
    ✓ IN STOCK!
    $1,280.00 Buy Surplus As Low As $751.91
    $751.91
    Repair Yours $550.00
    HONEYWELL XL100CU

    HONEYWELL

    XL100CU

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, EXCEL 100C, C-BUS COMMUNICATION, UP TO 30 DEVICES, MODEM / ISDN / GSM, 12 UNIVERSAL INPUTS, 12 DIGITAL INPUTS, 12 UNIVERSAL OUTPUTS, LED INDICA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $3,014.81
    $3,014.81
    Repair Yours $2,400.00
    JOHNSON CONTROLS T-4002-124

    JOHNSON CONTROLS

    T-4002-124

    MOUNTING BRACKET KIT, SURFACE MOUNT, USE WITH T-4000 SERIES THERMOSTATS AND COVERS
    ✓ IN STOCK!
    $30.00 Buy Surplus As Low As $20.00
    $20.00
    JOHNSON CONTROLS P47AA-1

    JOHNSON CONTROLS

    P47AA-1

    0/15# OPEN-HI,SPST,PRESSURE SWITCH
    ✓ IN STOCK!
    $1,035.09 Buy Surplus As Low As $683.16
    $683.16
    MODUS SD-030

    MODUS

    SD-030

    DISCONTINUED BY MANUFACTURER, SURGE DAMPENER, 30 SECOND DELAY
    ✓ IN STOCK!
    Buy Surplus As Low As $21.99
    $21.99
    HONEYWELL M9184D1021

    HONEYWELL

    M9184D1021

    PROPORTIONAL MODUTROL IV MOTOR, 24VAC, 135 OHM CNTRL SIG, NON SPRING RET, 150LB-IN TORQUE, 30-60 SEC NOMINAL TIMING, 90-160DEG STROKE, 160DEG FACTORY STROKE SETTING, FOOT MOUNTED, DUAL ENDED ...
    ✓ IN STOCK!
    $1,747.00 Buy Surplus As Low As $1,013.09
    $1,013.09
    Repair Yours $909.00
    SIEMENS 6ES5981-0JA11

    SIEMENS

    6ES5981-0JA11

    DISCONTINUED BY MANUFACTURER 01/10/22, DUST FILTER, SIMATIC S5, FOR S5-115U ONLY, FAN SUBASSEMBLY
    ✓ IN STOCK!
    Buy Surplus As Low As $169.95
    $169.95
    HONEYWELL HP972B1005

    HONEYWELL

    HP972B1005

    DISCONTINUED BY MANUFACTURER, PNEUMATIC HUMIDISTAT, 1 OR 2 PIPE, REVERSE ACTING, HP972B SERIES
    ✓ IN STOCK!
    $1,106.00 Buy Surplus As Low As $664.00
    $664.00
    HONEYWELL RM7840G1014

    HONEYWELL

    RM7840G1014

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING MODULE, INTERRUPTED PILOT TYPE, SELECTABLE SECOND STAGE PILOT VALVE, USER SELECTABLE AIRFLOW CHECK, 5 SECOND EARLY SPARK TERMINATI ...
    ✓ IN STOCK!
    $4,407.14 Buy Surplus As Low As $2,644.28
    $2,644.28
    Repair Yours $1,068.21
    HONEYWELL RM7838B1013

    HONEYWELL

    RM7838B1013

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, SELECTABLE INTERMITTENT OR INTERRUPTED PILOT, PULOT VALVE HOLD, MANUAL OPEN SWITCH, 120 V, 50/60 HZ
    ✓ IN STOCK!
    $3,127.66 Buy Surplus As Low As $1,876.59
    $1,876.59
    Repair Yours $1,509.00
    HONEYWELL RM7823A1016

    HONEYWELL

    RM7823A1016

    BURNER CONTROL UNIT, 7800 SERIES, FLAME SWITCH, 2X SPDT RELAYS, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $898.87 Buy Surplus As Low As $539.32
    $539.32
    Repair Yours $390.00
    HONEYWELL 51401496-100

    HONEYWELL

    MEASUREX

    51401496-100

    DISCONTINUED BY MANUFACTURER, FAN ASSEMBLY, DUAL NODE
    ✓ IN STOCK!
    Buy Surplus As Low As $188.72
    $188.72
    Repair Yours $300.00
    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
    FOODLINE PIPING SFA10

    FOODLINE PIPING

    SFA10

    DISCONTINUED BY MANUFACTURER, FILTER, 10X10X6
    ✓ IN STOCK!
    Buy Surplus As Low As $189.45
    $189.45
    HAMLIN 57135-000

    HAMLIN

    57135-000

    MAGNETIC SENSOR, 59135 SERIES, 28.6MM X 6.40MM X 19.0MM, PLASTIC, FLANGE MOUNT
    ✓ IN STOCK!
    $3.53 Buy Surplus As Low As $0.90
    $0.90
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