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 460.
    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!
    $1,415.00 Buy Surplus As Low As $849.00
    $849.00
    Repair Yours $650.00
    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!
    $2,342.00 Buy Surplus As Low As $1,269.00
    $1,269.00
    Repair Yours $850.00
    HONEYWELL RM7840L1018

    HONEYWELL

    RM7840L1018

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, WITH VALVE PROVING, DUST COVER, 5 SECOND EARLY SPARK TERMINATION, 120 VAC, 50/60 HZ, REPLACES RM7840L1042
    $2,721.00 Buy Surplus As Low As $1,633.00
    $1,633.00
    Repair Yours $990.00
    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 $360.00
    $360.00
    SMC AMG-EL250

    SMC

    AMG-EL250

    ELEMENT ASSEMBLY, PNEUMATIC AIR DRYER, +60DEG C +5DEG C, AMG250C SERIES
    $36.00 Buy Surplus As Low As $22.00
    $22.00
    SIMCO-ION 4002612

    SIMCO-ION

    4002612

    DISCONTINUED BY MANUFACTURER, BENCHTOP AIR IONIZER, AEROSTAT XC, WIDE COVERAGE, LOW BALANCE, WITH HEATER, 120 CFM MAX, 120 VAC SUPPLY, (SUGGESTED REPLACEMENT: 91-XC2-US-05H)
    Buy Surplus As Low As $990.00
    $990.00
    Repair Yours $750.00
    HONEYWELL 51401286-100

    HONEYWELL

    MEASUREX

    51401286-100

    DISCONTINUED BY MANUFACTURER, PC BOARD, ENHANCED PERIPHERAL DISPLAY GENERATOR, FOR UNIVERSAL STATION NODES, SCSI CONTROL
    ✓ IN STOCK!
    Buy Surplus As Low As $1,990.00
    $1,990.00
    Repair Yours $1,490.00
    HONEYWELL XF529

    HONEYWELL

    XF529

    DISCONTINUED BY MANUFACTURER, DIGITAL OUTPUT MODULE, WITHOUT OVERRIDE SWITCHES, NO REPLACEMENT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,110.00 $555.00
    $1,110.00 $555.00
    Repair Yours $940.00
    HONEYWELL RM7890B1030

    HONEYWELL

    RM7890B1030

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, FIXED 4 OR 10 SECOND PFEP PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/6 ...
    ✓ IN STOCK!
    $991.00 Buy Surplus As Low As $573.00
    $573.00
    Repair Yours $390.00
    SIEMENS PTM6.2Y420

    SIEMENS

    LANDIS & GYR

    PTM6.2Y420

    DISCONTINUED BY MANUFACTURER, ANALOG OUTPUT MODUL, POINT TERMINATION MODULE, W/TERMINATION BLOCK,4-20MA,
    ✓ IN STOCK!
    Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    SIEMENS 545-715

    SIEMENS

    LANDIS & GYR

    545-715

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, PROTOCOL 2, OPEN PROCESSOR, 4 MB MEMORY, RACK MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,050.00 $525.00
    $1,050.00 $525.00
    Repair Yours $880.00
    SIEMENS 545-716

    SIEMENS

    LANDIS & GYR

    545-716

    DISCONTINUED BY MANUFACTURER, OPEN PROCESSOR MODULE, PROTOCOL 2, 3MB MEMORY
    ✓ IN STOCK!
    Buy Surplus As Low As $561.00 $330.00
    $561.00 $330.00
    Repair Yours $560.00
    EBM PAPST W2G115-AG71-13

    EBM PAPST

    EBM

    W2G115-AG71-13

    DISCONTINUED BY MANUFACTURER, FAN, 24VDC, 12 WATT, 4050U/MIN
    Buy Surplus As Low As $120.00
    $120.00
    HONEYWELL RM7800M1011

    HONEYWELL

    RM7800M1011

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PRE-IGNITION, RUNNING, LOW FIRE, 120 VAC, 50/60 HZ, 10 W
    ✓ IN STOCK!
    $5,775.00 Buy Surplus As Low As $3,465.00
    $3,465.00
    Repair Yours $2,876.00
    HONEYWELL 101174

    HONEYWELL

    LEEDS & NORTHRUP

    101174

    101174 - AMPLIFIER BOARD
    Buy Surplus As Low As $432.00
    $432.00
    Repair Yours $360.00
    HONEYWELL ML6984A1006

    HONEYWELL

    ML6984A1006

    DISCONTINUED BY MANUFACTURER, D-COUPLED VALVE ACTUATOR, 24VAC, 28VDC, 6VA, 7ION
    Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    HONEYWELL RA890G1229

    HONEYWELL

    RA890G1229

    DISCONTINUED BY MANUFACTURER, PROTECTOION RELAY, FLAME SAFETY, FLAME CONTROL, SAFETY SWITCH TIMING 15 SECOND, 0.8 SECOND FFTR, CONTROL VOLTAGE 120VAC 50/60HZ, ALARM CONTACTS RATED AT 24VAC/1 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,490.00
    $1,490.00
    Repair Yours $790.00
    HONEYWELL RM7800L1012

    HONEYWELL

    RM7800L1012

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PRE-IGNITION, LOCKOUT, LOW AND HIGH FIRE INTERLOCKS, 120 VAC, 60 HZ
    ✓ IN STOCK!
    $5,496.00 Buy Surplus As Low As $3,298.00
    $3,298.00
    Repair Yours $1,095.00
    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!
    $2,377.00 Buy Surplus As Low As $1,427.00
    $1,427.00
    Repair Yours $990.00
    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!
    $3,258.00 Buy Surplus As Low As $1,955.00
    $1,955.00
    Repair Yours $1,590.00
    JOHNSON CONTROLS G770-NGC-4

    JOHNSON CONTROLS

    G770-NGC-4

    DISCONTINUED BY MANUFACTURER, PILOT IGNITION CONTROL INTERMITTENT, 2 AMP, CLASS 2, 240 VAC, 50/60 HZ
    Buy Surplus As Low As $216.00
    $216.00
    SIEMENS PTM6.2Q250-M

    SIEMENS

    LANDIS & GYR

    PTM6.2Q250-M

    DISCONTINUED BY MANUFACTURER, POINT TERMINATION MODULE, 2 POINT, DIGITAL, CONTACT CLOSURE, 240 VAC, 4A, LED INDICATION (ON/OFF), SUPERVISED HAND-OFF-AUTO SWITCH
    ✓ IN STOCK!
    Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    SIEMENS 544-381

    SIEMENS

    LANDIS & GYR

    544-381

    BACKPLANE BOARD FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $990.00
    $990.00
    Repair Yours $840.00
    SMC AMC320-03BD

    SMC

    AMC320-03BD

    AMC EXHAUST CLEANER, 3/8IN STANDARD PT, EXHAUST CLEANER 3/8 PT, MUFFLER
    ✓ IN STOCK!
    $50.00 Buy Surplus As Low As $33.00
    $33.00
    Repair Yours $200.00
    HONEYWELL XF521-A

    HONEYWELL

    XF521-A

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, ANALOG, 20 AMP MAX, 10 VDC, 8 POINT
    ✓ IN STOCK!
    Buy Surplus As Low As $240.00 $120.00
    $240.00 $120.00
    Repair Yours $200.00
    JOHNSON CONTROLS P66AAB-1C

    JOHNSON CONTROLS

    P66AAB-1C

    CONDENSER FAN SPEED CONTROL, 190 - 250 PSI, 208/480VAC, 60HZ, 1PHASE, 60 INCH CAPILLARY
    ✓ IN STOCK!
    $952.00 Buy Surplus As Low As $572.00
    $572.00
    Repair Yours $475.00
    SIEMENS 544-110

    SIEMENS

    LANDIS & GYR

    544-110

    DISCONTINUED BY MANUFACTURER, PROCESSOR CARD, FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,080.00
    $1,080.00
    Repair Yours $900.00
    SIEMENS PTM6.1PS120-M

    SIEMENS

    LANDIS & GYR

    PTM6.1PS120-M

    DISCONTINUED BY MANUFACTURER, POINT TERMINATION MODULE, PTM, PNEUMATIC, 1 POINT, ANALOG, 0-20 PSI, 0-138 KPA OUTPUT, MANUAL, 0-24 VAC, 50/60 HZ, FOR I/O SYSTEM
    ✓ IN STOCK!
    Buy Surplus As Low As $290.00
    $290.00
    Repair Yours $246.42
    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 $1,580.00
    $1,580.00
    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 $1,200.00
    $1,200.00
    Repair Yours $996.00
    HONEYWELL 121610

    HONEYWELL

    121610

    HW MAGNIFYING LENS
    $59.00 Buy Surplus As Low As $35.00
    $35.00
    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 $590.00
    $590.00
    Repair Yours $490.00
    RITTAL 3247.000

    RITTAL

    3247.000

    DISCONTINUED BY MANUFACTURER, HEAT EXCHANGER, 230 VAC (50/60 HZ), 0.43-0.5 AMP, 1-10 BAR OPERATING PRESSURE, 200-400L/H USEFUL COOLING OUTPUT, 51DB NOISE, 4 AMP FUSE, WALL-MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $2,964.00
    $2,964.00
    Repair Yours $1,943.00
    RITTAL 3326.207

    RITTAL

    3326.207

    DISCONTINUED BY MANUFACTURER, OUTLET EXHAUST FILTER, CUT-OUT DIMENSION: 292 X 292MM
    ✓ IN STOCK!
    Buy Surplus As Low As $90.00 $45.00
    $90.00 $45.00
    SIEMENS GDE131.1P

    SIEMENS

    SIEMENS INDUSTRY

    GDE131.1P

    FLOATING ELECTRIC ACTUATOR, SET SCREW SHAFT COUPLING , 24 VAC , -25 TO 130F, 44 IN.-LB., 90 SECONDS TIMER
    ✓ IN STOCK!
    $121.00 Buy New $121.00
    $77.00
    Repair Yours $200.00
    ALERTON VLC-651R

    ALERTON

    VLC-651R

    DISCONTINUED BY MANUFACTURER, FIELD CONTROLLER MODULE, 6 IN / 6 OUT, BACTALK BACNET
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $498.00
    GRAINGER 2E462

    GRAINGER

    DAYTON

    2E462

    SWITCH, AIR SENSING, MULTI PURPOSE, SPDT, 300 VA PILOT DUTY, -40-+180 DEG F, 1/4" OUTER DIAMETER TUBING NUTS
    ✓ IN STOCK!
    $85.00 Buy Surplus As Low As $51.00
    $51.00
    HONEYWELL 313745

    HONEYWELL

    313745

    REPLACEMENT DIAPHRAGM, HI TEMPERATURE, USED WITH 5" DIAMETER MP953A, C, E SERIES
    $130.00 Buy Surplus As Low As $78.00
    $78.00
    HONEYWELL MN6105A1011

    HONEYWELL

    MN6105A1011

    ACTUATOR, 2-POSITION, FLOATING, NON-SPRING RETURN, TRI-STATE CONTROL, 5.0 VA, 24 VAC/DC, 50/60 HZ, ADD ON SWITCH NOT INDLUDED
    ✓ IN STOCK!
    $178.00 Buy Surplus As Low As $107.00
    $107.00
    Repair Yours $200.00
    HONEYWELL T7770C-1002

    HONEYWELL

    T7770C-1002

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, WALL MODULE, 55 TO 85 F SETPOINT
    ✓ IN STOCK!
    Buy Surplus As Low As $39.00
    $39.00
    JOHNSON CONTROLS T-4002-5012

    JOHNSON CONTROLS

    T-4002-5012

    KNOB ADJUSTER, CLEAR-PLASTIC, W/SCREW
    ✓ IN STOCK!
    $8.74 Buy Surplus As Low As $6.64
    $6.64
    SIEMENS 549-215

    SIEMENS

    LANDIS & GYR

    549-215

    DISCONTINUED BY MANUFACTURER, EXPANSION MODULE, MEC ANALOG, W/HOA 4AI, 4AO, 24V AC, 25 VA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $728.00 $378.00
    $728.00 $378.00
    Repair Yours $1,000.00
    BROAN NUTONE 668RP

    BROAN NUTONE

    668RP

    DISCONTINUED BY MANUFACTURER, 70CFM 4.0SONES FAN
    $194.00 Buy Surplus As Low As $117.00
    $117.00
    MINEBEA 5915PC-20T-B30

    MINEBEA

    NMB

    5915PC-20T-B30

    DISCONTINUED BY MANUFACTURER, FAN, 1-PHASE, 200 VAC, 50/60 HZ, 38/40 W, (REPLACED BY 5915PC-20T-B30-B00)
    ✓ IN STOCK!
    Buy Surplus As Low As $225.00
    $225.00
    NORDSON 1007234

    NORDSON

    1007234

    FILTER ASSEMBLY, 45DEGREE, 100 MESH, SATURN 45 DEGREE FILTER
    ✓ IN STOCK!
    $116.00 Buy Surplus As Low As $89.00
    $89.00
    EBM PAPST G2E146-BF01-35

    EBM PAPST

    G2E146-BF01-35

    (PRICE/EA) AC CENTRIFUGAL BLOWER, 126 X 130MM, 230V; BLOWER TYPE:CENTRIFUGAL; SUPPLY VOLTAGE:230VAC; VOLTAGE TYPE:AC; FAN FRAME SIZE:226MM; EXTERNAL DEPTH:130MM; AIR FLOW - CFM:318CFM; AIR F ...
    $618.00 Buy Surplus As Low As $371.00
    $371.00
    EBM PAPST QG030-303/12

    EBM PAPST

    QG030-303/12

    DC CROSS FLOW BLOWER, 47.5 X 50MM, 12V, BLOWER TYPE:CROSSFLOW, SUPPLY VOLTAGE:12V, CURRENT TYPE:DC, FAN FRAME SIZE:47.5MM, EXTERNAL DEPTH:50MM, FLOW RATE, METRIC:140M /H, FLOW RATE, IMPERIAL ...
    $205.00 Buy Surplus As Low As $108.00
    $108.00
    Repair Yours $200.00
    EBM PAPST W2G110-AK43-31

    EBM PAPST

    W2G110-AK43-31

    (PRICE/EA) AXIAL FAN, 119MM, 24VDC; SUPPLY VOLTAGE VDC:24V; FAN FRAME TYPE:SQUARE; FAN FRAME SIZE:119MM; EXTERNAL DEPTH:38MM; BEARING TYPE:BALL BEARING; AIR FLOW - CFM:156CFM; NOISE RATING:5 ...
    $135.00 Buy Surplus As Low As $81.00
    $81.00
    SMC AMC220-N02

    SMC

    AMC220-N02

    AMC EXHAUST CLEANER, AMC 1/4INCH STANDARD (NPT), EXH CLEANER 1/4 NPT, MUFFLER
    $49.00 Buy Surplus As Low As $30.00
    $30.00
    Repair Yours $200.00
    RITTAL 3325.107

    RITTAL

    3325.107

    DISCONTINUED BY MANUFACTURER, (SK-3325.107) FAN / FILTER, IN RAL 7035, WITH FILTER MAT, 230/250 CUBIC M/H, 255 MM X 255 MM X 117.5 MM, 230V, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $365.00
    $365.00
    Next
    1 2 3 4 5 6 7 8 9 10