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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 51-100 of 915.
    HONEYWELL RM7840L1026

    HONEYWELL

    RM7840L1026

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL, DUST COVER, INTERRUPTED PILOT TYPE, INTERMITTENT SECOND STAGE PILOT VALVE, USER SELECTABLE AIRFLOW CHECK, 5 SECOND EARLY ...
    ✓ IN STOCK!
    $4,701.39 Buy Surplus As Low As $2,820.83
    $2,820.83
    Repair Yours Contact Us
    HONEYWELL M7284C1083

    HONEYWELL

    M7284C1083

    ACTUATOR, MODUTROL IV MOTOR, NON-SPRING RETURN, FOOT MOUNTED, 4-20 MA MODULATING CONTROL SIGNAL, 90 DEGREE STROKE, 30 SECONDS TIMING, 17 NM / 150 LB-IN TORQUE RATING, 15 VA, 24 / 120 / 230 V ...
    ✓ IN STOCK!
    $2,148.58 Buy Surplus As Low As $1,345.31
    $1,345.31
    Repair Yours Contact Us
    HONEYWELL ML6425B-3013

    HONEYWELL

    ML6425B-3013

    ACTUATOR, SPRING RETURN, 24 VAC, 135 LBF STEM FORCE, 3/4 INCH STROKE, SPDT, FLOATING, TWO POSITION, 12 SECOND SPRING RETURN TIMING, MANUAL OVERRIDE WINDING, 14-122 TEMP RANGE, 5-95% RH OPERA ...
    ✓ IN STOCK!
    $1,015.97 Buy Surplus As Low As $772.14
    $772.14
    HONEYWELL MP918B-1097

    HONEYWELL

    MP918B-1097

    DAMPER ACTUATOR, 8 - 13 PSI, SPRING RETURN, INTERNAL NORMALLY CLOSED LINKAGE
    ✓ IN STOCK!
    $1,154.99 Buy Surplus As Low As $692.99
    $692.99
    Repair Yours Contact Us
    HONEYWELL MS4120F1006

    HONEYWELL

    MS4120F1006

    DAMPER ACTUATOR, FAST ACTING, SPRING RETURN, 175 IN-LB TORQUE, 120V AC INPUT, 35 W POWER RATING, SPST CONTRACT, IP54
    ✓ IN STOCK!
    $948.16 Buy Surplus As Low As $531.01
    $531.01
    Repair Yours Contact Us
    HONEYWELL MS7520A2205

    HONEYWELL

    MS7520A2205

    DAMPER ACTUATOR, WITH SPRING RETURN, AUX SWITCH FOR HVAC, 2 POSITION, SUPPLY VOLTAGE 24VDC, TORQUE 175 LB/IN
    ✓ IN STOCK!
    $1,084.20 Buy Surplus As Low As $641.37
    $641.37
    Repair Yours Contact Us
    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!
    $879.00 Buy Surplus As Low As $581.00
    $581.00
    Repair Yours Contact Us
    HONEYWELL MS8120F-1002

    HONEYWELL

    MS8120F-1002

    TWO-POSITION ACTUATOR - 175 LB-IN (20 NM), SPRING RETURN BY MOUNTING ORIENTATION, 24 VAC. INCLUDES TEFLON INSULATED WIRING CABLES.
    ✓ IN STOCK!
    $1,052.70 Buy Surplus As Low As $631.62
    $631.62
    Repair Yours Contact Us
    HONEYWELL 14004205-002

    HONEYWELL

    14004205-002

    FILTER STATION REPLACEMENT FOR PP900 SERIES. REPLCS. 14004205-001
    ✓ IN STOCK!
    $1,019.15 Buy Surplus As Low As $611.49
    $611.49
    HONEYWELL MP909H-1331

    HONEYWELL

    MP909H-1331

    PNEUMATIC DAMPER ACTUATOR, MEDIUM ACTUATOR FORCE, 10 PSI SPAN ON POSITIVE POSITIONER, 4" STROKE, SPRING RETURN, 25 PSI MAXIMUM OPERATING PRESSURE, 6.6 SQUARE INCH DIAPHRAGM, DUAL BARBED FITT ...
    ✓ IN STOCK!
    $1,767.09 Buy Surplus As Low As $1,060.25
    $1,060.25
    HONEYWELL MP918B-1196

    HONEYWELL

    MP918B-1196

    8-13 PSI EXTERNAL TRUNNION BRACKET WITH PUSHROD AND
    ✓ IN STOCK!
    $966.08 Buy Surplus As Low As $579.65
    $579.65
    HONEYWELL 133417CA

    HONEYWELL

    133417CA

    BONNET ASSEMBLY, FOR 2-3" V5055B SERIES VALVES, INCLUDES SEAL
    ✓ IN STOCK!
    $848.09 Buy Surplus As Low As $508.85
    $508.85
    HONEYWELL 14004139-001

    HONEYWELL

    14004139-001

    POSITIVE POSITIONER REFTROFIT KIT , 14004139-001
    ✓ IN STOCK!
    $1,725.61 Buy Surplus As Low As $1,138.91
    $1,138.91
    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!
    $1,107.07 Buy Surplus As Low As $677.15
    $677.15
    Repair Yours Contact Us
    JOHNSON CONTROLS AS-UNT141-1

    JOHNSON CONTROLS

    METASYS

    AS-UNT141-1

    DISCONTINUED BY MANUFACTURER, HVAC UNITARY CONTROL MODULE, 24 VAC, 2 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $629.38
    $629.38
    Repair Yours Contact Us
    HONEYWELL RM7840L1075

    HONEYWELL

    RM7840L1075

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL WITH VPS, DUST COVER, INTERRUPTED PILOT TYPE, SELECTABLE SECOND STAGE PILOT VALVE, USER SELECTABLE AIRFLOW CHECK, 5 SECOND ...
    ✓ IN STOCK!
    $6,151.50 Buy Surplus As Low As $2,035.20
    $2,035.20
    Repair Yours Contact Us
    HONEYWELL MP953D-1107

    HONEYWELL

    MP953D-1107

    VALVE ACTUATOR, REVERSE ACTING, 7-1/8IN DIAMETER, MEDIUM FORCE, MAX PSI: 25, 3/4IN STROKE, 0-140 DEG TEMP RANGE
    ✓ IN STOCK!
    $1,194.54 Buy Surplus As Low As $695.85
    $695.85
    HONEYWELL RM7897A1002

    HONEYWELL

    RM7897A1002

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, PREIGNITION, SELECTABLE INTERLOCKS, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $1,307.57 Buy Surplus As Low As $823.77
    $823.77
    Repair Yours Contact Us
    SIEMENS 540-105

    SIEMENS

    LANDIS & GYR

    540-105

    DISCONTINUED BY MANUFACTURER, HEAT PUMP CONTROLLER, SYSTEM 600, SINGLE STAGE, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $521.90
    $521.90
    Repair Yours Contact Us
    UNITED TECHNOLOGIES HK38EA012

    UNITED TECHNOLOGIES

    CARRIER

    HK38EA012

    FACTORY AUTHORIZED PARTS™ - HK38EA012 CIRCUIT BOARD
    ✓ IN STOCK!
    $1,300.19 Buy New $1,300.19
    $780.11
    JOHNSON CONTROLS AS-UNT1144-0

    JOHNSON CONTROLS

    METASYS

    AS-UNT1144-0

    DISCONTINUED BY MANUFACTURER, UNITARY CONTROLLER, 6 ANALOG INPUTS 1K-OHM RTD, 0-2/0-10VDC, 6 BINARY INPUTS 24VAC DRY CONTACT, 4 ANALOG OUTPUTS 0-10VDC @ 10MA, 4 BINARY OUTPUTS CLASS 2 2AMP R ...
    ✓ IN STOCK!
    Buy Surplus As Low As $800.94
    $800.94
    Repair Yours Contact Us
    JOHNSON CONTROLS MS-VMA1620-0

    JOHNSON CONTROLS

    METASYS

    MS-VMA1620-0

    DISCONTINUED BY MANUFACTURER, VARIABLE AIR VOLUME CONTROLLER/ACTUATOR, 24 VAC, 2.5 AMPS POWER IN, 0.5 AMPS OUTPUT, CLASS 2, TERMIALS POWER LIMITED, 35 INCH-POUND 60 SECONDS, MANUAL OVERRIDE, ...
    ✓ IN STOCK!
    Buy Surplus As Low As $516.60
    $516.60
    Repair Yours Contact Us
    SIEMENS SQM50.464R1Z3

    SIEMENS

    SQM50.464R1Z3

    ACTUATOR, SERIES SQM5, MULTI-INPUT, 140 IN-LBS, 25 SEC., 110 V, 3/8" SHAFT, 90 DEG.
    ✓ IN STOCK!
    $3,548.00 Buy Surplus As Low As $2,324.17
    $2,324.17
    Repair Yours Contact Us
    SPIRAX SARCO 57063

    SPIRAX SARCO

    57063

    2" NPT FT-15 CI STEAM TRAP
    ✓ IN STOCK!
    $2,070.78 Buy Surplus As Low As $1,242.47
    $1,242.47
    SPIRAX SARCO 50931

    SPIRAX SARCO

    50931

    FT75 FLOAT ADN THERMOSTATIC STEAM TRAP, 1", FNPT, 450 DEG F, CAST IRON, 75 PSI, 6.2" LONG
    ✓ IN STOCK!
    $938.29 Buy Surplus As Low As $562.97
    $562.97
    SPIRAX SARCO 54771C

    SPIRAX SARCO

    54771C

    STEAM TRAP, MODEL TD52L, THERMODYNAMIC, 1/2 INCH FEMALE NPT, 600 PSI MAX OPERATING PRESSURE, 800 F MAX ALLOWABLE TEMP
    ✓ IN STOCK!
    $762.00 Buy Surplus As Low As $580.00
    $580.00
    SIEMENS SQM50.461R1G3

    SIEMENS

    SQM50.461R1G3

    DAMPER MOTOR ACTUATOR VOLT 120/110 VOLTAGE INPUT 4-20 MA OHMNS; 1,000 TORQUE 140 LB-IN RUNNING TIME: 25 SECONDS @ 60HZ RUNNING TIME 30 SECONDS @ 50HZ
    ✓ IN STOCK!
    $2,419.00 Buy Surplus As Low As $1,460.55
    $1,460.55
    Repair Yours Contact Us
    HONEYWELL RM7840G1022

    HONEYWELL

    RM7840G1022

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL WITH VPS, DUST COVER, INTERRUPTED PILOT TYPE, SELECTABLE SECOND STAGE PILOT VALVE, USER SELECTABL ...
    ✓ IN STOCK!
    Buy Surplus As Low As $2,395.76
    $2,395.76
    Repair Yours Contact Us
    HONEYWELL RM7898A1000

    HONEYWELL

    RM7898A1000

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, PREIGNITION, SELECTABLE INTERLOCKS, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $3,072.58 Buy Surplus As Low As $1,843.55
    $1,843.55
    Repair Yours Contact Us
    HONEYWELL 0901764A

    HONEYWELL

    0901764A

    REBUILD KIT, V5013N1089 INCLUDES STEM , 0901764A
    ✓ IN STOCK!
    $842.59 Buy Surplus As Low As $505.55
    $505.55
    PENTAIR M520816032

    PENTAIR

    APW MCLEAN

    M520816032

    DISCONTINUED BY MANUFACTURER, AIR CONDITIONER, ENCLOSURE COOLING, CLOSED LOOP RECIRCULATED AIR, SIDE MTG, 5700/8000 BTU, 115V 50/60HZ, 14.5 FLA
    ✓ IN STOCK!
    Buy Surplus As Low As $6,042.00
    $6,042.00
    JOHNSON CONTROLS MS-NAE5510-1

    JOHNSON CONTROLS

    METASYS

    MS-NAE5510-1

    DISCONTINUED BY MANUFACTURER, NETWORK CONTROLLER, 24VAC, 2 RS232C SERIAL PORTS, 2 USB SERIAL PORTS, 2 RS485 PORTS, 1 ETHERNET PORT, 1 DATA PROTECTION BATTERY, SUPPORTS 2 NS OR 2 BACNET MS/TP ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,768.40
    $1,768.40
    Repair Yours Contact Us
    HONEYWELL RM7830A1029

    HONEYWELL

    RM7830A1029

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, 30 SECOND POST PURGE, LOCKOUT INTERLOCKS, PRE-IGNITION, 120 V, 50/60 HZ
    ✓ IN STOCK!
    $1,277.00 Buy Surplus As Low As $766.20
    $766.20
    Repair Yours Contact Us
    HONEYWELL RM7800L1087

    HONEYWELL

    RM7800L1087

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PREIGNITION, LOCKOUT, HIGH AND LOW FIRE, 120 VAC, 50/60 HZ, 10 W
    ✓ IN STOCK!
    $5,397.22 Buy Surplus As Low As $3,238.33
    $3,238.33
    Repair Yours Contact Us
    HONEYWELL V4062A1008

    HONEYWELL

    V4062A1008

    FLUID POWER ACTUATOR, 120VAC, 50/60HZ, 26SEC OPENING TIME, HI-LO-OFF, 5PSI MAX OPENING PRESSURE, USE W/V5055B VALVES
    ✓ IN STOCK!
    $1,601.59 Buy Surplus As Low As $960.95
    $960.95
    Repair Yours Contact Us
    ASCO AH2E112S4

    ASCO

    AH2E112S4

    DISCONTINUED BY MANUFACTURER, VALVE ACTUATOR, HYDRAMOTOR AH2 SERIES, 110/120 VAC, 50/60 HZ, PROOF OF CLOSURE, DAMPER SHAFT & ARM, (SUCCESSOR: P159A111X1X13F0)
    ✓ IN STOCK!
    Buy Surplus As Low As $5,448.95
    $5,448.95
    Repair Yours Contact Us
    INVENSYS MA-418

    INVENSYS

    BARBER COLMAN

    MA-418

    ACTUATOR, 2-POSITION, 120 V, SPRING RETURN, 60 LB-IN TORQUE, 70 WATTS RUNNING, 25 WATTS HOLDING, REPLACES EA12-00080-000-0-00, (AKA MA-418-0-0-2 / MA-418-0-0-3 / MA-418-0-0-4)
    ✓ IN STOCK!
    $935.00 Buy Surplus As Low As $618.00
    $618.00
    Repair Yours Contact Us
    SPIRAX SARCO TD52 3/4"

    SPIRAX SARCO

    TD52 3/4"

    STEAM TRAP, THERMODYNAMIC, 3/4 INCH NPT, 600 PSI MAX OPERATING PRESSURE, STAINLESS STEEL, (54531C)
    ✓ IN STOCK!
    $1,059.00 Buy Surplus As Low As $583.16
    $583.16
    HONEYWELL M9194C1005

    HONEYWELL

    M9194C1005

    120V MOD MOTOR, NON-SPRING RETURN, FOOT MOUNTED ACTUATOR WITH 300 LB-IN. TORQUE. INCLUDES TRANSFORMER. PROPORTIONING WITH 2 AUX.SWITCHES.
    ✓ IN STOCK!
    $3,770.79 Buy Surplus As Low As $2,262.47
    $2,262.47
    Repair Yours Contact Us
    INGERSOLL RAND KIT02591

    INGERSOLL RAND

    TRANE

    KIT02591

    KIT COMBUSTION BLOWER 350/400 MBH KIT INCLUDES: FAN W/MTR, SIGHT-GLASS AND GASKETS. SEE YC-SB-10A (PG.4)FOR FAN RELAY WIRING ARRANG
    ✓ IN STOCK!
    $1,147.00 Buy Surplus As Low As $688.20
    $688.20
    Repair Yours Contact Us
    NVENT AFK0618SS

    NVENT

    HOFFMAN ENCLOSURES

    AFK0618SS

    FLOOR STAND KIT, 6.00 X 18.06, STAINLESS STEEL TYPE 304, KIT INCLUDES TWO STANDS
    ✓ IN STOCK!
    $1,216.00 Buy Surplus As Low As $730.00
    $730.00
    NVENT S101516G050

    NVENT

    HOFFMAN ENCLOSURES

    S101516G050

    INDOOR AC, SPECTRACOOL, SLIM FIT, S10, 1500W, 115V, NO RAC, LIGHT GRAY, STEEL
    ✓ IN STOCK!
    $6,485.00 Buy Surplus As Low As $3,891.00
    $3,891.00
    XYLEM 110300

    XYLEM

    MCDONNELL & MILLER

    110300

    AUTO RESET SWITCH, HEAD ASSEMBLY ONLY, NO.5, 115 OR 230VAC, 345 VA, 93/94 SERIES
    ✓ IN STOCK!
    $1,399.19 Buy Surplus As Low As $1,063.38
    $1,063.38
    Repair Yours Contact Us
    XYLEM 150S-HD

    XYLEM

    MCDONNELL & MILLER

    150S-HD

    HEAD MECHANISM, SNAP ACTING SPDT, FOR 150 SERIES LOW WATER CUT-OFF/PUMP CONTROLLER, (173003)
    ✓ IN STOCK!
    $1,635.30 Buy Surplus As Low As $891.98
    $891.98
    Repair Yours Contact Us
    XYLEM 51-HD

    XYLEM

    MCDONNELL & MILLER

    51-HD

    (134900), HEAD MECHANISM, FOR NUMBER 51 CONTROL,
    ✓ IN STOCK!
    $1,526.79 Buy Surplus As Low As $916.07
    $916.07
    Repair Yours Contact Us
    XYLEM 51-S-HD

    XYLEM

    MCDONNELL & MILLER

    51-S-HD

    51S-HD HEAD MECHANISM , 135800
    ✓ IN STOCK!
    $2,275.89 Buy Surplus As Low As $1,365.53
    $1,365.53
    Repair Yours Contact Us
    XYLEM 63-HD

    XYLEM

    MCDONNELL & MILLER

    63-HD

    HEAD MECHANISM, LOW WATER CUTOFF, 142600
    ✓ IN STOCK!
    $1,095.59 Buy Surplus As Low As $657.35
    $657.35
    Repair Yours Contact Us
    XYLEM 150S-M-MD-HD

    XYLEM

    MCDONNELL & MILLER

    150S-M-MD-HD

    CONTROLLER, LOW WATER CUT-OFF AND PUMP CONTROLLER, SNAP ACTING SPDT SWITCH FOR HIGH TEMPERATURE SERVICE, MAXIMUM DIFFERENTIAL OPERATION HEAD, MAXIMUM PRESSURE 150 PSI, MECHANISM ONLY, (17330 ...
    ✓ IN STOCK!
    $1,858.99 Buy Surplus As Low As $1,115.39
    $1,115.39
    Repair Yours Contact Us
    XYLEM 158S-HD

    XYLEM

    MCDONNELL & MILLER

    158S-HD

    HEAD MECH W/SNAP SWITCH#178602
    ✓ IN STOCK!
    $1,361.63 Buy Surplus As Low As $816.98
    $816.98
    Repair Yours Contact Us
    XYLEM 405153

    XYLEM

    HOFFMAN SPECIALTY

    405153

    3/4 FEMALE" PIPE, STAINLESS STEEL THERMODISC STEAM TRAP 600 MAX PSI (MOQ=1, PKG QTY=1)
    ✓ IN STOCK!
    $2,252.79 Buy Surplus As Low As $1,351.67
    $1,351.67
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