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    HVAC / HVAC Control System Board

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    Results 401-450 of 911.
    HEAT CONTROLLER INC R18KT0001

    HEAT CONTROLLER INC

    R18KT0001

    CONTROL BOARD
    $371.00 Buy Surplus As Low As $223.00
    $223.00
    HEAT CONTROLLER INC R68GF0014

    HEAT CONTROLLER INC

    R68GF0014

    CONTROL BOARD
    $285.00 Buy Surplus As Low As $171.00
    $171.00
    ENVIROTEC PC-01-0134

    ENVIROTEC

    PC-01-0134

    FAN RELAY BOARD
    $393.00 Buy Surplus As Low As $237.00
    $237.00
    AAON ASM02238

    AAON

    ASM02238

    OVERVOLTAGE PROTECTION BOARD, INPUT: 24-32 VOLT AC
    ✓ IN STOCK!
    $141.00 Buy Surplus As Low As $85.00
    $85.00
    AAON G007660

    AAON

    G007660

    VARIABLE SPEED CONTROL BOARD
    $189.00 Buy Surplus As Low As $114.00
    $114.00
    AAON J00749

    AAON

    J00749

    ALERT BOARD
    $190.00 Buy Surplus As Low As $114.00
    $114.00
    AAON V62370

    AAON

    V62370

    RTU TOUCHSCEEN BOARD CONTROL
    $1,434.00 Buy Surplus As Low As $861.00
    $861.00
    BROAN NUTONE SV08069

    BROAN NUTONE

    SV08069

    BOARD
    ✓ IN STOCK!
    $997.04 Buy Surplus As Low As $598.22
    $598.22
    BROAN NUTONE SB08086662

    BROAN NUTONE

    SB08086662

    BOARD
    ✓ IN STOCK!
    $268.38 Buy Surplus As Low As $161.03
    $161.03
    GOODMAN PCBBF149S

    GOODMAN

    AMANA HAC

    PCBBF149S

    IGNITION CONTROL BOARD
    $394.00 Buy Surplus As Low As $237.00
    $237.00
    INGERSOLL RAND CNT7991

    INGERSOLL RAND

    TRANE

    CNT7991

    IGNITION CONTROL BOARD
    $644.00 Buy Surplus As Low As $387.00
    $387.00
    INGERSOLL RAND BRD6611

    INGERSOLL RAND

    TRANE

    BRD6611

    MAIN OUTDOOR CONTROL BOARD
    $66.00 Buy Surplus As Low As $40.00
    $40.00
    UNITED TECHNOLOGIES HK32EA010

    UNITED TECHNOLOGIES

    CARRIER

    HK32EA010

    DEFROST CONTROL BOARD
    ✓ IN STOCK!
    $191.00 Buy Surplus As Low As $115.00
    $115.00
    UNITED TECHNOLOGIES HK50AA054

    UNITED TECHNOLOGIES

    CARRIER

    HK50AA054

    CONTROL BOARD, DARK BLUE, 7-1/8"
    ✓ IN STOCK!
    $3,071.00 Buy Surplus As Low As $1,843.00
    $1,843.00
    UNITED TECHNOLOGIES HK38EA040

    UNITED TECHNOLOGIES

    CARRIER

    HK38EA040

    CONTROL BOARD EXMB
    $872.00 Buy Surplus As Low As $524.00
    $524.00
    HONEYWELL DB7110U1000

    HONEYWELL

    RESIDEO

    DB7110U1000

    UNIVERSAL DEFROST BOARD, SINGLE STG HP, REPLACES ST74C-1002
    $201.00 Buy Surplus As Low As $121.00
    $121.00
    HONEYWELL W7764A-2009

    HONEYWELL

    W7764A-2009

    DISCONTINUED BY MANUFACTURER, CONTROLLER, BOILER INTERFACE, 20-30VAC, -40-150°F
    ✓ IN STOCK!
    Buy Surplus As Low As $170.00
    $170.00
    Repair Yours $200.00
    CLIMATEMASTER 17B0012N10

    CLIMATEMASTER

    17B0012N10

    DISCONTINUED BY MANUFACTURER, CONTROLLER / MPC HEAT PUMP, BACNET, GEN 7 WATER TO AIR, TYPE / 002102, REPLACED BY 17B0012N12
    ✓ IN STOCK!
    Buy Surplus As Low As $783.00
    $783.00
    Repair Yours $650.00
    UNITED TECHNOLOGIES HK42FZ086

    UNITED TECHNOLOGIES

    CARRIER

    HK42FZ086

    CONTROL BOARD
    ✓ IN STOCK!
    $398.00 Buy Surplus As Low As $239.00
    $239.00
    LONMARK UHC-200

    LONMARK

    UHC-200

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, PROGRAMMABLE, RJ45 COMMUNICATION PORT, 22 POINT, 12 UNIVERSAL INPUT, 10 ANALOG OUTPUT, 0-10 VDC, 4-20 MA, 24 VAC, 50-60 HZ, 40 VA
    ✓ IN STOCK!
    Buy Surplus As Low As $1,036.80
    $1,036.80
    Repair Yours $860.54
    SIEMENS 550-493PA

    SIEMENS

    LANDIS & GYR

    550-493PA

    DISCONTINUED BY MANUFACTURER, BACNET PROGRAM UNIT CONTROLLER , INPUT 24VAC, OUTPUT 12VA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $615.00
    $615.00
    Repair Yours $398.40
    WEIL MCLAIN 383-900-110

    WEIL MCLAIN

    383-900-110

    KIT-S BOARD COMM EVG 70-155 S1
    $116.00 Buy Surplus As Low As $70.00
    $70.00
    INGERSOLL RAND X13650477-13P

    INGERSOLL RAND

    TRANE

    X13650477-13P

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE BOARD, HVAC, TERMINAL, ALUMINUM HOUSING
    ✓ IN STOCK!
    Buy Surplus As Low As $442.80
    $442.80
    Repair Yours $410.00
    HONEYWELL XL50A-UMMI-PC

    HONEYWELL

    XL50A-UMMI-PC

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, DDC WITHIN THE EXCEL 5000 SYSTEM, STAND-ALONE / DIAL-UP / NETWORKED SYSTEMS, FREE PROGRAMMABLE WITH CARE SOFTWARE, 24 VAC, 50/60HZ, IP20, RS232 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,952.67
    $1,952.67
    Repair Yours $1,620.72
    LENNOX 16Y28

    LENNOX

    16Y28

    INVERTER CONTROL BOARD KIT
    $1,278.00 Buy Surplus As Low As $767.00
    $767.00
    LENNOX 19S83

    LENNOX

    19S83

    BCC3, FAN CONTROL BOARD
    ✓ IN STOCK!
    $361.00 Buy Surplus As Low As $217.00
    $217.00
    HONEYWELL JCX8005

    HONEYWELL

    TRIDIUM INC

    JCX8005

    CONTROLLER, COMPACT, EMBEDDED, PROGRAMMABLE, 1GB DDR3 SDRAM, REMOVABLE MICRO-SD CARD, 4GB MAX / 2GB USER STORAGE, USB TYPE A CONNECTOR, 24VAC/DC, FOR USE WITH NIAGARA 4.1 AND LATER, (12977)
    ✓ IN STOCK!
    $2,578.45 Buy Surplus As Low As $1,959.62
    $1,959.62
    Repair Yours $1,284.07
    SCHNEIDER ELECTRIC AO-4-8-O-FT

    SCHNEIDER ELECTRIC

    ANDOVER CONTROLS

    AO-4-8-O-FT

    DISCONTINUED BY MANUFACTURER, CONTINUUM OUTPUT MODULE, 4 ANALOG OUTPUTS, 0-10 VDC OR 0-20 MA, FREE-TOPOLOGY
    ✓ IN STOCK!
    Buy Surplus As Low As $2,660.00
    $2,660.00
    Repair Yours $1,743.00
    HONEYWELL PVB4022AS-ILC

    HONEYWELL

    PVB4022AS-ILC

    DISCONTINUED BY MANUFACTURER, SPYDER BACNET ILC PROGRAMMABLE VAV CONTROLLER, 4 UNIVERSAL/0 DIGITAL INPUTS, 2 ANALOG/2 DIGITAL OUTPUTS, INTEGRATED ACTUATOR
    ✓ IN STOCK!
    Buy Surplus As Low As $2,626.00 $1,815.00
    $2,626.00 $1,815.00
    Repair Yours $2,200.00
    UNITED TECHNOLOGIES HK42FZ094

    UNITED TECHNOLOGIES

    CARRIER

    HK42FZ094

    CONTROL BOARD
    ✓ IN STOCK!
    $804.00 Buy Surplus As Low As $483.00
    $483.00
    UNITED TECHNOLOGIES HK38EA050

    UNITED TECHNOLOGIES

    CARRIER

    HK38EA050

    CONTROL BOARD ELECTRONICALLY COMMUTATED MOTORB INFI NITY
    $925.00 Buy Surplus As Low As $555.00
    $555.00
    JOHNSON CONTROLS S1-031-03672-040

    JOHNSON CONTROLS

    YORK

    S1-031-03672-040

    CONTROL BOARD, SES1, 4STG, ADD ON
    ✓ IN STOCK!
    $362.16 Buy Surplus As Low As $275.24
    $275.24
    HONEYWELL 900A16-0101

    HONEYWELL

    900A16-0101

    DISCONTINUED BY MANUFACTURER, CONTROLLER, HC900, HLAI, 16 CHANNEL, 0-60 DEGREE C OPERATING TEMPERATURE, 2 NA MAX CHANNEL, 10 V, 8235-001
    ✓ IN STOCK!
    Buy Surplus As Low As $1,758.00
    $1,758.00
    Repair Yours $1,450.00
    EMERSON 50M61-495-06

    EMERSON

    WHITE RODGERS

    50M61-495-06

    DISCONTINUED BY MANUFACTURER, TRANE WHITE RODGERS 50M61-495-06, CNT05122, FURNACE CONTROL CIRCUIT BOARD D341418P02, SUGGESTED REPLACEMENT IS KIT15943
    ✓ IN STOCK!
    Buy Surplus As Low As $497.00
    $497.00
    Repair Yours $240.00
    INGERSOLL RAND X1365051807

    INGERSOLL RAND

    TRANE

    X1365051807

    HORIZON CHILLER, PLC, CONTROL MODULE, 16 X 12 X 8IN
    ✓ IN STOCK!
    $4,293.00 Buy Surplus As Low As $2,575.80
    $2,575.80
    Repair Yours $2,385.00
    EMERSON 50A55-474

    EMERSON

    WHITE RODGERS

    50A55-474

    DISCONTINUED BY MANUFACTURER, FURNACE CONTROL BOARD, AUTOMATIC IGNITION SYSTEM, 24 VAC, 50/60 HZ, 0.5 AMP MAX, CARBIDE, (D341235P01)
    ✓ IN STOCK!
    Buy Surplus As Low As $354.24
    $354.24
    Repair Yours $294.02
    DAIKIN INDUSTRIES 7900094

    DAIKIN INDUSTRIES

    MCQUAY PERFEX

    7900094

    PRINTED CIRCUIT BOARD
    $17.00 Buy Surplus As Low As $11.00
    $11.00
    INGERSOLL RAND 6400-0720-01

    INGERSOLL RAND

    TRANE

    6400-0720-01

    DISCONTINUED BY MANUFACTURER, CIRCUIT BOARD, CHILLER CONTROL, I/O INTERFACE
    ✓ IN STOCK!
    Buy Surplus As Low As $162.00
    $162.00
    Repair Yours $200.00
    LENNOX 15D55

    LENNOX

    15D55

    DEFROST CONTROL BOARD
    $251.00 Buy Surplus As Low As $151.00
    $151.00
    MITSUBISHI U01 A46 451

    MITSUBISHI

    U01 A46 451

    DISCONTINUED BY MANUFACTURER, INVERTER P.C. BOARD, INCLUDING HEAT SINK AND RT64, FOR MUZ-GE15NA UNIT
    ✓ IN STOCK!
    Buy Surplus As Low As $294.62
    $294.62
    Repair Yours $222.31
    LOCHINVAR 100277940

    LOCHINVAR

    100277940

    CONNECTION BOARD
    $195.00 Buy Surplus As Low As $117.00
    $117.00
    LOCHINVAR 100275525

    LOCHINVAR

    100275525

    INTERFACE CONTROL BOARD
    $171.00 Buy Surplus As Low As $103.00
    $103.00
    MAXIM INTEGRATED PRODUCTS MAXREFDES36#

    MAXIM INTEGRATED PRODUCTS

    MAXREFDES36#

    REF DESIGN BOARD, MAX14821 IO-LINK HUB; SILICON MANUFACTURER:-; SILICON CORE NUMBER:RL78/G1A, MAX14821, MAX17552, MAX31913; KIT APPLICATION TYPE:INTERFACE; APPLICATION SUB TYPE:TRANSCEIVER; ...
    ✓ IN STOCK!
    $206.00 Buy Surplus As Low As $157.00
    $157.00
    GOODMAN PCBBF145S

    GOODMAN

    AMANA HAC

    PCBBF145S

    CIRCUIT BOARD
    $157.00 Buy Surplus As Low As $95.00
    $95.00
    GOODMAN PCBKF202S

    GOODMAN

    AMANA HAC

    PCBKF202S

    PCB CONTROL BOARD KIT SERVICE
    $351.00 Buy Surplus As Low As $211.00
    $211.00
    AAON ASM01695

    AAON

    ASM01695

    CONTROLLER, CONTROL (2) GAS VALVES USING INPUT FROM PROOF OF IGNITION MODULES, MONITORS SUPPLY AIR TEMPERATURE AND SUPPLY AIR RESET AND MODULATES GAS VALVES TO MAINTAIN SETPOINT, 2 X 8 LCD C ...
    $1,562.00 Buy Surplus As Low As $938.00
    $938.00
    Repair Yours $779.00
    DANFOSS 084B7253

    DANFOSS

    084B7253

    CONTROLLER, LIQUID INJECTION, EKC 313, CASCADE CO2, 24 VAC
    ✓ IN STOCK!
    $1,137.95 Buy New $1,137.95
    $864.84
    Repair Yours $633.00
    JOHNSON CONTROLS AS-LCP200-0

    JOHNSON CONTROLS

    METASYS

    AS-LCP200-0

    CONTROLLER, LAB, CENTRAL, PLANT, 24 VAC, 50-60 HZ
    ✓ IN STOCK!
    $64.00 Buy Surplus As Low As $36.51
    $36.51
    INGERSOLL RAND X13650731-04

    INGERSOLL RAND

    TRANE

    X13650731-04

    DISCONTINUED BY MANUFACTURER, TRANE CIRCUIT BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $63.00
    $63.00
    INGERSOLL RAND X13650734-03

    INGERSOLL RAND

    TRANE

    X13650734-03

    DISCONTINUED BY MANUFACTURER, UCP3 DUAL TRIAC OUTPUT CIRCUIT BOARD 6400-1124-03
    ✓ IN STOCK!
    Buy Surplus As Low As $84.00
    $84.00
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