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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.
    MAXITROL RV48CL

    MAXITROL

    RV48CL

    GAS REGULATOR, 1/2 INCH, USE WITH R4810, SPRING 5 INCH NATURAL / 10 INCH LP
    ✓ IN STOCK!
    $46.00 Buy Surplus As Low As $18.54
    $18.54
    MAXITROL RV47AL-1/2

    MAXITROL

    RV47AL-1/2

    REGULATOR, INTEGRATED LIMITER, 1/2PSI MAX, 1/2"
    ✓ IN STOCK!
    $43.18 Buy Surplus As Low As $25.91
    $25.91
    MAXITROL 210E-2

    MAXITROL

    210E-2

    VALVE REGULATOR, 2" NPT, 10 PSI MAX INLET, 3-8" WC OUTLET PRESSURE, BALANCED DESIGN, LOCK UP STYLE
    ✓ IN STOCK!
    $1,149.00 Buy Surplus As Low As $655.09
    $655.09
    US TOYO USTF401012MW

    US TOYO

    USTF401012MW

    DC FAN, BALL BEARING, 12V, 0.07 AMP, 0.84 W, 5500 RPM, 4.6CFM, 28DB, FLANGE MOUNT
    ✓ IN STOCK!
    $21.00 Buy Surplus As Low As $10.06
    $10.06
    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
    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
    UNITED TECHNOLOGIES 310283-301

    UNITED TECHNOLOGIES

    CARRIER

    310283-301

    BLOWER CUTOFF PLATE
    ✓ IN STOCK!
    $15.00 Buy New $15.00
    $9.00
    Repair Yours $300.00
    DELTA CONTROLS DEB100-1

    DELTA CONTROLS

    DEB100-1

    DISCONTINUED BY MANUFACTURER, DCU INPUT OUTPUT EXPANSION BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $288.00
    $288.00
    Repair Yours $300.00
    BASO GAS PRODUCTS LLC Y71GF-3

    BASO GAS PRODUCTS LLC

    Y71GF-3

    CONVERSION KIT, NAT TO LP GAS, BOTTOM ADJUST, FOR BG/G/VALVE SERIES
    ✓ IN STOCK!
    $23.75 Buy Surplus As Low As $14.25
    $14.25
    BASO GAS PRODUCTS LLC Y90AA-4210

    BASO GAS PRODUCTS LLC

    Y90AA-4210

    .010 ORIFICE, BUT/LP/NAT,1/4 INCH C
    ✓ IN STOCK!
    $17.09 Buy Surplus As Low As $10.25
    $10.25
    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 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
    BASO GAS PRODUCTS LLC J994MDA-2

    BASO GAS PRODUCTS LLC

    J994MDA-2

    PILOT BURNER ASSEMBLY WITH #4 TIP ARRANGEMENT
    ✓ IN STOCK!
    $71.00 Buy Surplus As Low As $22.83
    $22.83
    BASO GAS PRODUCTS LLC J992LYW-7125

    BASO GAS PRODUCTS LLC

    J992LYW-7125

    PILOT L BKT Y-TIP WITH INLET FTG
    ✓ IN STOCK!
    $155.27 Buy Surplus As Low As $93.16
    $93.16
    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
    HAMMOND MANUFACTURING EJPA

    HAMMOND MANUFACTURING

    EJPA

    HAMMOND ENCLOSURE PADLOCK KIT, 304 STAINLESS STEEL. FOR USE WITH ECLIPSE JUNIOR SERIES ENCLOSURES. MOUNTING HARDWARE INCLUDED.
    ✓ IN STOCK!
    $44.00 Buy Surplus As Low As $20.70
    $20.70
    HAMMOND MANUFACTURING FT600TA1BK

    HAMMOND MANUFACTURING

    FT600TA1BK

    FAN TRAY, AC, 6 FAN, 80W, 600CFM; NO. OF FANS:6; SUPPLY VOLTAGE:115VAC; POWER RATING:80W; BEARING TYPE:BALL BEARING; PRODUCT RANGE:-; BODY COLOR:BLACK; DEPTH:44.45MM; EXTERNAL DEPTH:44.45MM; ...
    ✓ IN STOCK!
    $559.00 Buy Surplus As Low As $369.00
    $369.00
    INGERSOLL RAND 39474861

    INGERSOLL RAND

    39474861

    FILTER, REPLACEMENT FOR AIR COMPRESSOR, 17 INCHES LONG
    ✓ IN STOCK!
    $144.67 Buy Surplus As Low As $98.95
    $98.95
    SMC AMC520-06B

    SMC

    AMC520-06B

    AMC EXHAUST CLEANER, AMC 3/4INCH STANDARD (PT), EXHAUST CLEANER, MUFFLER
    ✓ IN STOCK!
    $87.00 Buy Surplus As Low As $35.50
    $35.50
    Repair Yours $300.00
    SMC AMC320-03B

    SMC

    AMC320-03B

    AMC EXHAUST CLEANER, 3/8 INCH STANDARD (PT), EXHAUST CLEANER, MUFFLER
    ✓ IN STOCK!
    $50.00 Buy Surplus As Low As $30.00
    $30.00
    Repair Yours $300.00
    SMC AMC320-03

    SMC

    AMC320-03

    AMC EXHAUST CLEANER, AMC 3/8INCH STANDARD (PT), EXHAUST CLEANER, MUFFLER
    ✓ IN STOCK!
    $48.00 Buy Surplus As Low As $37.00
    $37.00
    Repair Yours $300.00
    SMC AMC220-02B

    SMC

    AMC220-02B

    AMC EXHAUST CLEANER, AMC 1/4INCH STANDARD (PT), EXHAUST CLEANER 1/4 PT, MUFFLER
    ✓ IN STOCK!
    $52.00 Buy Surplus As Low As $17.40
    $17.40
    Repair Yours $300.00
    EBM PAPST 8800N

    EBM PAPST

    8800N

    DISCONTINUED BY MANUFACTURER, AXIAL FAN,SUPPLY VOLTAGE:115V, CURRENT TYPE:AC, FAN FRAME SIZE:80MM, EXTERNAL DEPTH:38MM,NOISE RATING:28DBA, FLOW RATE - IMPERIAL:27.7CU.FT/MIN; FLOW RATE - MET ...
    ✓ IN STOCK!
    Buy Surplus As Low As $39.64
    $39.64
    HONEYWELL 14505188-001

    HONEYWELL

    14505188-001

    DISCONTINUED BY MANUFACTURER, SAFETY CONTROL, SECURE / ACCESS CIRCUIT, 4 ZONE, CLASS-B
    ✓ IN STOCK!
    Buy Surplus As Low As $429.33
    $429.33
    Repair Yours $395.93
    SMC AMG650-N10D

    SMC

    AMG650-N10D

    AMG AMBIENT DRYER, AMG 1 INCH STANDARD (PT), DRYER, AMBIENT, NEW STYLE
    ✓ IN STOCK!
    $311.00 Buy Surplus As Low As $169.00
    $169.00
    GRAINGER 4C550

    GRAINGER

    DAYTON

    4C550

    DISCONTINUED BY MANUFACTURER, AXIAL FAN, MUFFIN XL, 3BLADE, .2/.18AMP, 115VAC, 50/60HZ, 15W, 3100RPM, 4-11/16X4-11/16X1-1/2IN,OPTIONS THAT WORK THE SAME, 031008, MX2A3, 4WT46, 83K4223, 4C550 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $20.14
    $20.14
    HONEYWELL RA890G-1286

    HONEYWELL

    RA890G-1286

    DISCONTINUED BY MANUFACTURER, PROTECTORELAY, FLAME SAFETY, FLAME CONTROL, 15 SEC /3 MIN, 240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,298.86
    $1,298.86
    Repair Yours $600.00
    SIEMENS 6SN1162-0BA02-0AA2

    SIEMENS

    6SN1162-0BA02-0AA2

    DISCONTINUED BY MANUFACTURER, RADIAL BLOWER, SIMODRIVE 611, BUILT-ON FAN, FOR 300 MM MODULES, INTERIOR/EXTERIOR COOLING, UL DESIGN
    ✓ IN STOCK!
    $2,124.00 Buy Surplus As Low As $1,290.00
    $1,290.00
    Repair Yours $925.00
    SPIRAX SARCO 57168

    SPIRAX SARCO

    57168

    SARCO 57168 25P, 25PA & 25MP PRESSURE PILOT STEM GUIDE W/ GASKET GS-07F-9515S GSA GS-07F-9515S
    ✓ IN STOCK!
    $196.00 Buy Surplus As Low As $109.39
    $109.39
    SIEMENS 6ES74081TA007AA0

    SIEMENS

    6ES74081TA007AA0

    DUST FILTER(10PC)FAN S.ASSEMBL
    ✓ IN STOCK!
    $2,528.00 Buy Surplus As Low As $1,669.00
    $1,669.00
    SAGINAW SCE-FGA1010

    SAGINAW

    SCE-FGA1010

    ENCLOSURE FILTER, GRILL COVER, 10IN, DESIGNED FOR USE ON AIR DISCHARGE SIDE OF FAN PACKAGE, STAINLESS STEEL GRILLE W/ CAPTIVATED THUMB SCREWS, ALUMINUM MOUNTING BRACKETS AND ALUMINUM FILTER
    ✓ IN STOCK!
    $170.95 Buy New $170.95
    $86.65
    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
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