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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 301-350 of 849.
    HONEYWELL T7022A-1010

    HONEYWELL

    T7022A-1010

    AIR DUCT SENSOR, 1420 OHMS THERMISTOR, 60-90 DEGREE F TEMPERATURE RANGE
    ✓ IN STOCK!
    $277.94 Buy Surplus As Low As $183.44
    $183.44
    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!
    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!
    $925.00 Buy Surplus As Low As $554.39
    $554.39
    Repair Yours $300.00
    HONEYWELL RM7850A1001

    HONEYWELL

    RM7850A1001

    BURNER CONTROL MODULE, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL MEETING EUROPEAN COMMUNITY TIMINGS, INTERRUPTED PILOT TYPE, LOCKOUT INTERLOCKS, USER SELECTABLE AIRFLOW CHECK, INTERMITT ...
    ✓ IN STOCK!
    $4,390.09 Buy Surplus As Low As $2,634.05
    $2,634.05
    Repair Yours $990.00
    HONEYWELL Q5001D1000

    HONEYWELL

    Q5001D1000

    VALVE BRACKET AND LINKAGE, 80/160 LBS SELECTABLE STEM FORCE, 3/ 4INCH LIFT, FOR USE W/ MODUTROL MOTORS, USE IF MOTOR TORQUE LESS THAN 50 LB, REPLACES Q618A1032
    ✓ IN STOCK!
    $1,733.00 Buy Surplus As Low As $1,318.00
    $1,318.00
    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!
    $269.91 Buy Surplus As Low As $161.95
    $161.95
    HONEYWELL 102546

    HONEYWELL

    102546

    BALL JOINT ASSEMBLY, FOR DAMPER LINKAGES, 5/16 INCH SIZE, 1.7 X 3.7 X .45 INCH, (0808)
    ✓ IN STOCK!
    $45.52 Buy Surplus As Low As $27.31
    $27.31
    HAMMOND MANUFACTURING FAN150AC115

    HAMMOND MANUFACTURING

    FAN150AC115

    AXIAL FAN, 50.8MM, 115VAC, 235CFM, 63DBA; NOMINAL RATED VOLTAGE AC:115V; FAN FRAME TYPE:SQUARE; FAN FRAME SIZE:161.93MM; EXTERNAL DEPTH:50.8MM; BEARING TYPE:BALL BEARING; AIR FLOW - CFM:235C ...
    ✓ IN STOCK!
    $170.00 Buy Surplus As Low As $91.68
    $91.68
    HAMMOND MANUFACTURING 2QPL

    HAMMOND MANUFACTURING

    2QPL

    HAMMOND ENCLOSURE LATCH, REPLACEMENT, PADLOCKING, 1/4-TURN KNOB, 1-POINT, DIE-CAST ZINC, BLACK MATTE FINISH. FOR USE WITH ECLIPSE SERIES ENCLOSURES.
    ✓ IN STOCK!
    $158.00 Buy Surplus As Low As $68.06
    $68.06
    HAMMOND MANUFACTURING DNFG

    HAMMOND MANUFACTURING

    DNFG

    FAN FINGER GUARD, STEEL, FOR USE WITH HAMMOND C2 SERIES 4 FANS, FAN FRAME SIZE:120MM, GUARD MATERIAL:STEEL
    ✓ IN STOCK!
    $17.00 Buy Surplus As Low As $7.90
    $7.90
    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
    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
    JOHNSON CONTROLS TE-6322P-1

    JOHNSON CONTROLS

    TE-6322P-1

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, 1000OHM PT, 8INCH, FOR WALL MOUNTING, REPLACED BY TE-6352P-1
    ✓ IN STOCK!
    $94.17 Buy Surplus As Low As $58.53
    $58.53
    KMC CONTROLS KMD-7001

    KMC CONTROLS

    KMD-7001

    DISCONTINUED BY MANUFACTURER, SINNGLE-DUCT DIRECT DIGITAL VAV, TERMINAL UNIT CONTROLLER, 3 UNIVERSAL INPUTS/OUTPUTS, DISCONTINUED 4/14/2017, 24 VOLT, 50/60 HERTZ, DIRECT MOUNT, 95 DEGREE ROT ...
    ✓ IN STOCK!
    Buy Surplus As Low As $324.66
    $324.66
    Repair Yours $300.00
    HONEYWELL RM7890A1056

    HONEYWELL

    RM7890A1056

    RELAY MODULE, ON-OFF PRIMARY CONTROL, FOR USE WITH AUTOMATICALLY FIRED GAS, OIL, COAL OR COMBINATION FUEL SINGLE BURNER APPLICATIONS, 120VAC, INTERMITTENT PILOT, 4 OR 10 SEC PILOT FLAME ESTA ...
    ✓ IN STOCK!
    $1,073.04 Buy Surplus As Low As $643.82
    $643.82
    Repair Yours $523.75
    SIEMENS 985-083

    SIEMENS

    985-083

    DAMPER ACTUATOR 90DEG 44IN-LBS 24VAC 50/60
    ✓ IN STOCK!
    Buy Surplus As Low As $23.99
    $23.99
    EMERSON SFD-13-S6-VV

    EMERSON

    ALCO CONTROLS

    SFD-13-S6-VV

    FILTER, DRYER SUCTION LINE, 3/4INCH IN/OUT ODF, 400 PSIG, 13 CU INCH
    ✓ IN STOCK!
    $181.00 Buy Surplus As Low As $124.20
    $124.20
    NEXEN GROUP 855300

    NEXEN GROUP

    HORTON MANUFACTURING

    855300

    A/C HOSE, 08.25 LONG
    ✓ IN STOCK!
    $37.00 Buy Surplus As Low As $21.94
    $21.94
    HONEYWELL XF524-A

    HONEYWELL

    XF524-A

    DISCONTINUED BY MANUFACTURER, OUTPUT MODULE, 6 POINT DIGITAL, 4 AMP, 240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $183.32
    $183.32
    Repair Yours $300.00
    EMERSON D48

    EMERSON

    ALCO CONTROLS

    D48

    DISCONTINUED BY MANUFACTURER, FILTER-DRIER BLOCK, STANDARD CAPACITY, 5-1/2INCH
    ✓ IN STOCK!
    Buy Surplus As Low As $63.46
    $63.46
    HONEYWELL C434A-1013

    HONEYWELL

    C434A-1013

    DISCONTINUED BY MANUFACTURER, PILOT SAFETY CONTROL, PILOTSTAT, SPST SWITCHING, MANUAL RESET, USE WITH Q340 / Q309, (SUGGESTED REPLACEMENT: BASO L62AA-5)
    ✓ IN STOCK!
    Buy Surplus As Low As $151.68
    $151.68
    Repair Yours $300.00
    GRAINGER 1TDN7

    GRAINGER

    DAYTON

    1TDN7

    PSC BLOWER, 115V, 3INCH, 60HZ, 1PHASE
    ✓ IN STOCK!
    $162.74 Buy Surplus As Low As $105.00
    $105.00
    SMC INR-244-711

    SMC

    INR-244-711

    THERMO-CON CHILLER UNIT ACCESSORY PROPRIETARY
    ✓ IN STOCK!
    $6,550.80 Buy Surplus As Low As $2,764.08
    $2,764.08
    Repair Yours $2,386.75
    SMC AMC310-N03B

    SMC

    AMC310-N03B

    AMC EXHAUST CLEANER, AMC 3/8INCH STANDARD (NPT), EXHAUST CLEANER, MUFFLER
    ✓ IN STOCK!
    $65.00 Buy Surplus As Low As $50.00
    $50.00
    Repair Yours $300.00
    HONEYWELL W7751H-2009

    HONEYWELL

    W7751H-2009

    DISCONTINUED BY MANUFACTURER, SMART VAV ACTUATOR, EXCEL 10, VARIABLE AIR VOLUME, 20-30 VAC, 6 VA, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $537.06
    $537.06
    Repair Yours $490.00
    LENNOX 58H66

    LENNOX

    58H66

    POTENTIAL RELAY
    ✓ IN STOCK!
    $91.91 Buy Surplus As Low As $55.14
    $55.14
    HONEYWELL W7752G-2000

    HONEYWELL

    W7752G-2000

    DISCONTINUED BY MANUFACTURER, FAN COIL UNIT CONTROLLER, POWER 96-126VAC, 30VA MAX, 50/60HZ, 3 HEAT/3 COOL, 2 PIPE/4 PIPE,
    ✓ IN STOCK!
    Buy Surplus As Low As $1,725.00
    $1,725.00
    Repair Yours $1,431.75
    UNITED TECHNOLOGIES HH-84AA-021

    UNITED TECHNOLOGIES

    CARRIER

    HH-84AA-021

    MAIN CONTROL CIRCUIT BOARD, HIGH EFFICIENCY
    ✓ IN STOCK!
    $155.00 Buy Surplus As Low As $91.53
    $91.53
    UNITED TECHNOLOGIES CEAS420771-01

    UNITED TECHNOLOGIES

    CARRIER

    CEAS420771-01

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD, 4 INPUT, 4 OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $450.61
    $450.61
    Repair Yours $370.30
    UNITED TECHNOLOGIES 32GB501074

    UNITED TECHNOLOGIES

    CARRIER

    32GB501074

    PROCESSOR BOARD, HVAC BOARD, RESISTIVE NETWORK, 30 GT CHILLER
    ✓ IN STOCK!
    $6,045.00 Buy Surplus As Low As $3,467.50
    $3,467.50
    Repair Yours $2,190.00
    UNITED TECHNOLOGIES 15SH2

    UNITED TECHNOLOGIES

    CARRIER

    15SH2

    SWITCH ELECRIC HEAT SEQUENCER
    ✓ IN STOCK!
    Buy Surplus As Low As $42.08
    $42.08
    HONEYWELL ML8465A-1004

    HONEYWELL

    ML8465A-1004

    ACTUATOR DAMPER 105LB-IN TORQUE
    ✓ IN STOCK!
    Buy Surplus As Low As $568.45
    $568.45
    Repair Yours $446.98
    HONEYWELL 121610

    HONEYWELL

    121610

    HW MAGNIFYING LENS
    ✓ IN STOCK!
    $59.00 Buy Surplus As Low As $35.00
    $35.00
    HONEYWELL M944A1010

    HONEYWELL

    M944A1010

    DISCONTINUED BY MANUFACTURER, ACTUATOR MOTOR .88 AMP, 24 VAC, 20W 160 DEG, 60 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As $535.75
    $535.75
    Repair Yours $400.00
    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 316059A

    HONEYWELL

    316059A

    YOKE ASSEMBLY, WITH HELICOIL INSERT, USED WITH MP953B/ MP953D/ MP953F MODELS
    ✓ IN STOCK!
    $171.81 Buy Surplus As Low As $103.09
    $103.09
    Repair Yours $300.00
    HONEYWELL 7617M

    HONEYWELL

    7617M

    DISCONTINUED BY MANUFACTURER, COMPRESSION PLUG, 1/2" NPT, BRASS
    ✓ IN STOCK!
    Buy Surplus As Low As $117.88
    $117.88
    HONEYWELL Q5020C-1009

    HONEYWELL

    Q5020C-1009

    LINKAGE FOR SRORNSR DCA'S
    ✓ IN STOCK!
    $433.61 Buy Surplus As Low As $216.63
    $216.63
    Repair Yours $300.00
    HONEYWELL KF11S-112A

    HONEYWELL

    RESIDEO

    KF11S-112A

    FILTER, CLEAR PLASTIC, SUMP F76S1.5-2"
    ✓ IN STOCK!
    $499.00 Buy Surplus As Low As $324.00
    $324.00
    HONEYWELL FV147/U

    HONEYWELL

    RESIDEO

    FV147/U

    MAXIVENT AIR VENT. 1/8. 150 PSI MAX 240F TEMP MAX. LOW PROFILE
    ✓ IN STOCK!
    $12.28 Buy Surplus As Low As $9.34
    $9.34
    Repair Yours Contact Us
    HONEYWELL D690A1028

    HONEYWELL

    D690A1028

    10" ROUND ZONE DAMPER
    ✓ IN STOCK!
    $148.47 Buy Surplus As Low As $84.56
    $84.56
    HONEYWELL 14507549-001

    HONEYWELL

    14507549-001

    EXT RS485 ADAPTOR TO A C-BUS
    ✓ IN STOCK!
    $667.53 Buy Surplus As Low As $291.98
    $291.98
    HONEYWELL 14004139-001

    HONEYWELL

    14004139-001

    POSITIONER KIT, MP953A-E, 3/4" STR
    ✓ IN STOCK!
    $1,707.30 Buy Surplus As Low As $1,126.82
    $1,126.82
    HONEYWELL 14004062-003

    HONEYWELL

    14004062-003

    INTERNAL DAMPER ACTUATOR, MOUNTING BRACKET N/O
    ✓ IN STOCK!
    $333.32 Buy Surplus As Low As $199.99
    $199.99
    Repair Yours $300.00
    HONEYWELL 14002913-003

    HONEYWELL

    14002913-003

    .007" , RESTRICTOR-T
    ✓ IN STOCK!
    $24.20 Buy Surplus As Low As $15.81
    $15.81
    HONEYWELL 14002913-002

    HONEYWELL

    14002913-002

    TEE FITTING RESTRICTOR, .007DIA, RED
    ✓ IN STOCK!
    $59.55 Buy Surplus As Low As $35.73
    $35.73
    HONEYWELL 14002913-001

    HONEYWELL

    14002913-001

    FILTER RESTRICTION ASSEMBLY, BLUE, 1/4" INLET AND 1/4" AND 5/32" OUTLETS, .005"
    ✓ IN STOCK!
    $38.82 Buy Surplus As Low As $29.50
    $29.50
    HONEYWELL MS8110A-1206

    HONEYWELL

    MS8110A-1206

    ACTUATOR, DIRECT COUPLED, 2 POSITION, 24 VAC, 30 SUPPLY VA, 88 LB-IN TORQUE, 2 AUX SWITCHES, W/ ANTI ROTATION BRACKET
    ✓ IN STOCK!
    $548.00 Buy Surplus As Low As $362.00
    $362.00
    HONEYWELL MS7510A2008

    HONEYWELL

    MS7510A2008

    DIRECT COUPLED ACTUATOR, SPRING RETURN, 88 LB-IN TORQUE, 24 V AC/DC, 14 VA DRIVING, 90 SECONDS DRIVE, FLOATING / MODULATING, 2-POSITION
    ✓ IN STOCK!
    $549.44 Buy Surplus As Low As $417.57
    $417.57
    Repair Yours $300.00
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