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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 460.
    REZNOR 17890

    REZNOR

    17890

    PILOT ASSEMBLY,LESS T-COUPLE
    $67.00 Buy Surplus As Low As $41.00
    $41.00
    LENNOX 80M27

    LENNOX

    80M27

    IGNITION/FAN, CONTROL BOARD
    $312.00 Buy Surplus As Low As $188.00
    $188.00
    RHEEM 43-17075-11

    RHEEM

    43-17075-11

    START CAPACITOR, 145-175 UF, 330 VAC, CAPACITOR CODE 9
    $30.00 Buy Surplus As Low As $18.00
    $18.00
    REZNOR 96451

    REZNOR

    96451

    RUBBER ISOLATORS W/WASHERS
    $30.00 Buy Surplus As Low As $18.00
    $18.00
    REZNOR 101901

    REZNOR

    101901

    SWITCH SPDT
    $51.00 Buy Surplus As Low As $31.00
    $31.00
    REZNOR 175272

    REZNOR

    175272

    DSI ELECTRODEASSEMBLY10.5"LEAD
    ✓ IN STOCK!
    $120.00 Buy Surplus As Low As $92.00
    $92.00
    REZNOR 120545

    REZNOR

    120545

    VENTOR WHEEL
    $102.00 Buy Surplus As Low As $62.00
    $62.00
    REZNOR 112751

    REZNOR

    112751

    BLOCKED VENT SWITCH, L200F
    $42.00 Buy Surplus As Low As $26.00
    $26.00
    RHEEM 70-20602-01

    RHEEM

    70-20602-01

    11"X10" CW BLOWER WHL;1/2"BORE
    $128.00 Buy Surplus As Low As $77.00
    $77.00
    Repair Yours $200.00
    LENNOX 26F16

    LENNOX

    26F16

    PILOT BURNER W/ELECTRODE & LEAD
    ✓ IN STOCK!
    $237.00 Buy Surplus As Low As $157.00
    $157.00
    RHEEM 60-22513-03

    RHEEM

    60-22513-03

    LP CONVERSION KIT
    $27.00 Buy Surplus As Low As $17.00
    $17.00
    LENNOX 47K28

    LENNOX

    47K28

    BLOWER WHEEL, 10" X 8"
    $170.00 Buy Surplus As Low As $102.00
    $102.00
    RANCO V10-418140-170

    RANCO

    V10-418140-170

    1 1/8"X7/8" REV VLVE R22 R410A
    $315.00 Buy Surplus As Low As $189.00
    $189.00
    SENSUS 143-IRV-3/4

    SENSUS

    143-IRV-3/4

    3/4"IRV,3/8"ORIF,GREEN-6-14"WC
    $169.00 Buy Surplus As Low As $102.00
    $102.00
    SENSUS 143-16-023-00

    SENSUS

    143-16-023-00

    1/2" ORIFICE FOR 243
    $47.00 Buy Surplus As Low As $29.00
    $29.00
    SENSUS 143-3/4

    SENSUS

    143-3/4

    3/4"STD,3/8"ORIF,GREEN 6-14"WC
    $146.00 Buy Surplus As Low As $88.00
    $88.00
    HONEYWELL R7999A1005

    HONEYWELL

    R7999A1005

    DISCONTINUED BY MANUFACTURER, CONTROLINKS FUEL AIR CONTROLLER, 100-120VAC, USED TO CONTROL THE ML7999 UNIVERSAL PARALLEL POSITIONING ACTUATORS, 7-24 POINT PROFILES, REMOTE RESET INPUT, -40-1 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $2,736.00
    $2,736.00
    Repair Yours $1,200.00
    SPIRAX SARCO 54529C

    SPIRAX SARCO

    54529C

    THERMODYNAMIC TRAP, 3/8 IN, 600 PSI, STAINLESS STEEL
    ✓ IN STOCK!
    $482.00 Buy Surplus As Low As $367.00
    $367.00
    KOOLTRONIC KNA4C1DP15LV

    KOOLTRONIC

    KNA4C1DP15LV

    AIR CONDITIONER, 1000 BTU/H, 115 VOLTS, 60HZ
    ✓ IN STOCK!
    $4,701.00 Buy Surplus As Low As $2,821.00
    $2,821.00
    HYDROTHERM 62-3668

    HYDROTHERM

    62-3668

    NATURAL GAS VALVE, PILOT ASSEMBLY, Q3451B1103
    $60.00 Buy Surplus As Low As $36.00
    $36.00
    MEPCO C5941

    MEPCO

    C5941

    2E DISC MEPCO, THERMOSTATIC DISC, FOR 2E SERIES RADIATOR TRAPS, SEALED LIQUID FILLED CAPSULE
    $75.00 Buy Surplus As Low As $45.00
    $45.00
    SUPERIOR RADIANT PRODUCTS CE004

    SUPERIOR RADIANT PRODUCTS

    CE004

    BLOWER ASSEMBLY, WITH FLANGE, WITH GASKET 40-175, 1 PHASE, FOR X MODELS 40-175BTU AND A MODEL 125BTU
    ✓ IN STOCK!
    $347.74 Buy Surplus As Low As $149.00
    $149.00
    Repair Yours $200.00
    SPIRAX SARCO BPC32Y

    SPIRAX SARCO

    BPC32Y

    DISCONTINUED BY MANUFACTURER, THERMOSTATIC STEAM TRAP, 32-50 BAR, 300-400 C
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $498.00
    HONEYWELL 112632AA

    HONEYWELL

    112632AA

    3/4" NPT, STAINLESS STEEL WELL ASTAINLESS STEELEMBLY, 1/2" DIA
    $492.00 Buy Surplus As Low As $296.00
    $296.00
    HONEYWELL Q298B-1065

    HONEYWELL

    Q298B-1065

    DISCONTINUED BY MANUFACTURER, DAMPER LINKAGE, FOR USE WITH M835/M836, M7415, MOTOR TO 1 OR 2 ZONE DAMPERS
    Buy Surplus As Low As $105.00
    $105.00
    HONEYWELL 112634AA

    HONEYWELL

    112634AA

    3/4" COPPERWELL, 1/2" DIA, 4" INSUL
    $154.00 Buy Surplus As Low As $93.00
    $93.00
    NVENT DAH4001B

    NVENT

    HOFFMAN ENCLOSURES

    DAH4001B

    ENCLOSURE HEATER, 400 W, 3.3 AMP, 115 V, 50/60 HZ
    ✓ IN STOCK!
    $1,015.00 Buy Surplus As Low As $610.00
    $610.00
    Repair Yours $507.00
    LENNOX 12L71

    LENNOX

    12L71

    3/8", LIQUID LINE FILTER DRIER
    $50.00 Buy Surplus As Low As $30.00
    $30.00
    HONEYWELL M4182B-1002

    HONEYWELL

    M4182B-1002

    DISCONTINUED BY MANUFACTURER, ACTUATOR MOTOR, 41 SERIES, TWO-POSITION CONTROL, 120 VAC, 50/60 HZ, 160 DEGREE STROKE, 600 LB-IN TORQUE, NORMALLY CLOSED, SPRING RETURN, SINGLE-ENDED SHAFT
    ✓ IN STOCK!
    Buy Surplus As Low As $750.00
    $750.00
    Repair Yours $640.00
    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 RM7890C1005

    HONEYWELL

    RM7890C1005

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, ON-OFF PRIMARY CONTROL, STANDING PILOT, 120 VAC
    Buy Surplus As Low As $900.00
    $900.00
    Repair Yours $650.00
    BROAN NUTONE 690

    BROAN NUTONE

    690

    BATHROOM FAN UPGRADE KIT, 60 CFM.
    Buy Surplus As Low As $45.00
    $45.00
    BELIMO NF120-US

    BELIMO

    NF120-US

    DISCONTINUED BY MANUFACTUER, ACTUATOR DAMPER, SPRING RETURN, ON-OFF CONTROL, GO IN-LB, 75 SEC, 120 VAC, 50/60 HZ, 7 VA, 6W
    Buy Surplus As Low As $590.00
    $590.00
    Repair Yours $390.00
    AUTOMATED LOGIC M4106

    AUTOMATED LOGIC

    M4106

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, M-LINE STANDALONE, 4 DIGITAL OUTPUT, 10 ANALOG INPUT, 6 ANALOG OUTPUT, 1.25 AMP, 24 VAC, 30 VA, 50/60 HZ, CLASS 2
    ✓ IN STOCK!
    Buy Surplus As Low As $5,082.00
    $5,082.00
    Repair Yours $3,950.00
    RELIABLE CONTROLS MAH

    RELIABLE CONTROLS

    MAH

    DISCONTINUED BY MANUFACTURER, MACH AIR VALVE CONTROLLER, 3 UNIVERSAL INPUTS, 24 VOLTS AC, 50/60HZ, 1.5VA, 1 WATT
    ✓ IN STOCK!
    Buy Surplus As Low As $459.00
    $459.00
    Repair Yours $424.00
    ALERTON APLC

    ALERTON

    APLC

    DISCONTINUED BY MANUFACTURER, LOGIC CONTROLLER, 140 VA, 0.5 AMP, 240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $319.00
    $319.00
    Repair Yours $280.00
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