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    Results 1-50 of 857.
    HONEYWELL RA890F-1478

    HONEYWELL

    RA890F-1478

    DISCONTINUED BY MANUFACTURER, PROTECTORELAY, FLAME SAFETY, FLAME CONTROL, 120 VAC, FLAME RESPONSE 15 SEC, SPDT ALARM CONTACTS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,470.84
    $1,470.84
    Repair Yours $800.00
    JOHNSON CONTROLS XP-9102-8304

    JOHNSON CONTROLS

    METASYS

    XP-9102-8304

    DISCONTINUED BY MANUFACTURER, EXPANSION MODULE, 6 ANALOG INPUTS, 2 ANALOG OUTPUTS, 24 VAC, 50/60 HZ, 3 VA, P/N: XP 9102
    ✓ IN STOCK!
    Buy Surplus As Low As $584.60
    $584.60
    Repair Yours $560.00
    UNITED TECHNOLOGIES HK42FZ011

    UNITED TECHNOLOGIES

    CARRIER

    HK42FZ011

    DISCONTINUED BY MANUFACTURER, FURNACE CONTROL, HSCI, 24 VAC INPUT, 465 MA, 60 HZ, 120 VAC LINE, 1012-940
    ✓ IN STOCK!
    Buy Surplus As Low As $499.55
    $499.55
    Repair Yours $399.00
    HONEYWELL RA890G1229

    HONEYWELL

    RA890G1229

    20 VAC PROTECTORELAY W/ 0.8 SECOND FFTR (15 SAFETY SWITCH TIMING)
    ✓ IN STOCK!
    $3,422.00 Buy New $3,422.00
    $3,433.65
    Repair Yours $790.00
    HEAT TIMER HWR-Q

    HEAT TIMER

    HWR-Q

    DISCONTINUED BY MANUFACTURER, BOILER CONTROL UNIT, 120 VAC, 6 AMPS RESISTIVE, 1 AMP PILOT DUTY, 15 AMPS TOTAL, 60 HZ, 30 VA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $1,933.31
    $1,933.31
    Repair Yours $1,887.82
    HONEYWELL S984F-1005

    HONEYWELL

    S984F-1005

    STEP CONTROLLER
    ✓ IN STOCK!
    $1,106.64 Buy Surplus As Low As $459.85
    $459.85
    Repair Yours $446.40
    WATTS 123550

    WATTS

    AERCO

    123550

    PC BOARD, FOR BOILER
    ✓ IN STOCK!
    Buy Surplus As Low As $75.58
    $75.58
    XYLEM 94-HDLS

    XYLEM

    MCDONNELL & MILLER

    94-HDLS

    94-HDLS HEAD MECHANISM LESS SWITCH , 165302
    ✓ IN STOCK!
    $1,630.63 Buy Surplus As Low As $978.38
    $978.38
    Repair Yours $752.00
    XYLEM 94-HD

    XYLEM

    MCDONNELL & MILLER

    94-HD

    (165300), HEAD MECHANISM
    ✓ IN STOCK!
    $3,193.55 Buy Surplus As Low As $1,916.13
    $1,916.13
    Repair Yours $1,294.00
    XYLEM RB-122-E

    XYLEM

    MCDONNELL & MILLER

    RB-122-E

    LOW WATER CUT OFF, GUARD DOG SERIES, PROBE CONTROL, FOR HOT WATER BOILERS, 120 VAC, 3.1 VA, 5.8 AMP, 160 PSI MAX, AUTOMATIC RESET, (144676)
    ✓ IN STOCK!
    $255.19 Buy Surplus As Low As $153.11
    $153.11
    Repair Yours $300.00
    JOHNSON CONTROLS XP-9102-8204

    JOHNSON CONTROLS

    METASYS

    XP-9102-8204

    DISCONTINUED BY MANUFACTURER, EXPANSION MODULE, 6 AI ANS 2 AO
    ✓ IN STOCK!
    Buy Surplus As Low As $352.42
    $352.42
    WATTS 261

    WATTS

    TEKMAR

    261

    BOILER CONTROL, 2 STAGE, WARM WEATHER SHUT DOWN, AUTO BOILER DIFFERENTIAL, POWERED BOILER PUMP OUTLET, OUTDOOR TEMPERATURE RESET, SETBACK INPUT FOR ENERGY SAVINGS
    ✓ IN STOCK!
    $857.00 Buy Surplus As Low As $509.85
    $509.85
    Repair Yours $420.00
    SCHNEIDER ELECTRIC TCX-851

    SCHNEIDER ELECTRIC

    ANDOVER CONTROLS

    TCX-851

    DISCONTINUED BY MANUFACTURER, TERMINAL CONTROLLER, 20 AMP, 24 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $308.41
    $308.41
    Repair Yours $255.98
    XYLEM 94

    XYLEM

    MCDONNELL & MILLER

    94

    94 HI PRESSURE LEVEL CONTROL (QTY 1-11) , 165200
    ✓ IN STOCK!
    $2,567.00 Buy Surplus As Low As $1,695.00
    $1,695.00
    Repair Yours $1,616.00
    XYLEM 67-G

    XYLEM

    MCDONNELL & MILLER

    67-G

    67-G LOW WATER CUT-OFF (QTY 1-11) , 149600
    ✓ IN STOCK!
    $865.22 Buy Surplus As Low As $519.13
    $519.13
    Repair Yours $415.00
    UNITED TECHNOLOGIES HK-50AA-002

    UNITED TECHNOLOGIES

    CARRIER

    HK-50AA-002

    DISCONTINUED BY MANFACTURER, CONTROLLER, 2 CHANNEL, 12 INPUTS EACH
    ✓ IN STOCK!
    Buy Surplus As Low As $389.20
    $389.20
    Repair Yours $323.03
    TACO EWF120-1

    TACO

    EWF120-1

    ELECTRONIC WATER FEEDER, NEMA-1 ENCLOSURE, 25 PSI MAX VESSEL, 120 VAC, 150 PSI MAX
    ✓ IN STOCK!
    $457.31 Buy Surplus As Low As $274.38
    $274.38
    Repair Yours $300.00
    DELTA CONTROLS DSM-T0B

    DELTA CONTROLS

    DSM-T0B

    DISCONTINUED BY MANUFACTURER, PROGRAMABLE CONTROLLER, 8 BUTTONS, 24 VAC AT 5 VA OR 10 TO 35 VDC AT 5 VA, 50/60 HZ, 32 TO 120F (0 TO 50C), 10% TO 90% RH, 32 BIT PROCESSOR, 1MB (8 MEGABIT) FLA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $515.55
    $515.55
    Repair Yours $503.42
    HEAT TIMER MPC-P

    HEAT TIMER

    MPC-P

    DISCONTINUED BY MANUFACTURER, HEATING CONTROL UNIT, PLATINUM, OUTPUT / 6 AMP / 120 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $4,892.17
    $4,892.17
    Repair Yours $2,112.00
    JOHNSON CONTROLS DX-9200-8454-D

    JOHNSON CONTROLS

    DX-9200-8454-D

    DISCONTINUED BY MANUFACTURER, DISCHARGE AIR CONTROLLER, DIGITAL, METRIC UNITS (DEGREES C; PA; KJ/KG), LONWORKS COMPATIBLE
    ✓ IN STOCK!
    Buy Surplus As Low As $360.00
    $360.00
    Repair Yours $300.00
    HONEYWELL W8735Y1000

    HONEYWELL

    RESIDEO

    W8735Y1000

    THE W8735S OUTDOOR RESET AND DOMESTIC HOT WATER CONTROLS, ENABLE BOILER TEMPERATURE RESET, BASED ON OUTDOOR TEMPERATURE AND DOMESTIC HOT WATER OVERRIDE. KITS INCLUDE, OTC AND DHW MODULES, OU ...
    ✓ IN STOCK!
    $447.00 Buy Surplus As Low As $293.00
    $293.00
    Repair Yours $300.00
    WATTS 69151

    WATTS

    AERCO

    69151

    CONTROL BOARD, FOR BOILER, I/O CONTROL, BOARD ONLY, STAND-OFF MOUNT
    ✓ IN STOCK!
    $2,198.00 Buy Surplus As Low As $1,269.57
    $1,269.57
    Repair Yours $1,044.00
    AO SMITH WATER HEATERS KIT3096

    AO SMITH WATER HEATERS

    LOCHINVAR

    KIT3096

    DISCONTINUED BY MANUFACTURER, PWM CONVERTER, 3-PORT, 4-20 MA INPUT, 0-10 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $132.84
    $132.84
    Repair Yours $300.00
    XYLEM 69

    XYLEM

    MCDONNELL & MILLER

    69

    LOW WATER CUT-OFF, 4-1/8 INCH INSERTION, 2 1/2 INCH NPT, PACKLESS BELLOWS, MAX 20 PSI, AUTO RESET, 153900
    ✓ IN STOCK!
    $622.79 Buy Surplus As Low As $373.67
    $373.67
    Repair Yours $300.00
    JOHNSON CONTROLS 031-00081D001

    JOHNSON CONTROLS

    YORK

    031-00081D001

    DISCONTINUED BY MANUFACTURER, YORK M-O/C-L MODULE, - M-O/C-L MODULE, GALT CONTROLS CM-1A, SUGGESTED REPLACEMENT IS 031-00081-001
    ✓ IN STOCK!
    Buy Surplus As Low As $337.50
    $337.50
    Repair Yours $300.00
    KIDDE-FENWAL, LLC NXM2G

    KIDDE-FENWAL, LLC

    FIREYE

    NXM2G

    DISCONTINUED BY MANUFACTURER, INTELLIGENT BOILER LOAD CONTROL WITH FLOW AND RETURN DIGITAL TEMPERATURE SENSORS
    ✓ IN STOCK!
    Buy Surplus As Low As $2,991.82
    $2,991.82
    Repair Yours $2,234.89
    XYLEM 67

    XYLEM

    MCDONNELL & MILLER

    67

    VALVE, 3/4" NPT, 20 PSI MAX BOILER PRESSURE, AUTO RESET MECHANICAL LOW WATER CUT OFF, FOR STEAM BOILERS, WITH QUICK HOOK UP FITTINGS, (149400)
    ✓ IN STOCK!
    $651.42 Buy Surplus As Low As $390.85
    $390.85
    Repair Yours $300.00
    XYLEM FS254

    XYLEM

    MCDONNELL & MILLER

    FS254

    LIQUID FLOW SWITCH, GENERAL PURPOSE, WITH NEMA 4 ENCLOSURE, 1" NPT, SPDT SNAP SWITCH 1"/2"/3" AND 6" STAINLESS STEEL PADDLES
    ✓ IN STOCK!
    $353.10 Buy Surplus As Low As $268.36
    $268.36
    Repair Yours $300.00
    XYLEM 51-HD

    XYLEM

    MCDONNELL & MILLER

    51-HD

    (134900), HEAD MECHANISM, FOR NUMBER 51 CONTROL,
    ✓ IN STOCK!
    $1,481.69 Buy Surplus As Low As $889.01
    $889.01
    XYLEM 42S-HD

    XYLEM

    MCDONNELL & MILLER

    42S-HD

    PUMP CONTROLLER, HEAD MECHANISM, ANDLOW WATER CUT-OFF, 50PSI MAX,120/240VAC
    ✓ IN STOCK!
    $1,418.33 Buy Surplus As Low As $851.00
    $851.00
    XYLEM 110300

    XYLEM

    MCDONNELL & MILLER

    110300

    AUTO RESET SWITCH, HEAD ASSEMBLY ONLY, NO.5, 115 OR 230VAC, 345 VA, 93/94 SERIES
    ✓ IN STOCK!
    $1,275.99 Buy Surplus As Low As $969.75
    $969.75
    Repair Yours $386.00
    JOHNSON CONTROLS C450RBN-1C

    JOHNSON CONTROLS

    C450RBN-1C

    CONTROL MODULE, 450 SERIES, 4 BUTTON, 1 RELAY OUTPUT, SPDT
    ✓ IN STOCK!
    $463.75 Buy Surplus As Low As $284.31
    $284.31
    Repair Yours $230.00
    BURNHAM BOILERS 102289-01

    BURNHAM BOILERS

    102289-01

    IQ BOILER CONTROL
    ✓ IN STOCK!
    $550.55 Buy Surplus As Low As $330.33
    $330.33
    Repair Yours $300.00
    INDUSTRIE TECHNIK DBTV-50140U

    INDUSTRIE TECHNIK

    DBTV-50140U

    DISCONTINUED BY MANUFACTURER, BOILER IMMERSION THERMOSTAT, 250 V, CHANGEOVER SWITCH, FOR LIQUID ENVIRONMENTS, IP54
    ✓ IN STOCK!
    Buy Surplus As Low As $225.00
    $225.00
    Repair Yours $200.00
    INDUSTRIE TECHNIK DBTZ-060U

    INDUSTRIE TECHNIK

    DBTZ-060U

    DISCONTINUED BY MANUFACTURER, BOILER IMMERSION THERMOSTAT, CHANGEOVER SWITCH, 10 AMP, 250 VAC, FOR LIQUID ENVIRONMENT, -35 TO +65 DEGREE C, IP54
    ✓ IN STOCK!
    Buy Surplus As Low As $169.00
    $169.00
    Repair Yours $200.00
    INDUSTRIE TECHNIK DBTV-09090U

    INDUSTRIE TECHNIK

    DBTV-09090U

    DISCONTINUED BY MANUFACTURER, BOILER THERMOSTAT, 15 AMP, 250 VAC, 2 STAGE, SPDT CONTACT, CLAMP ON, HIDDEN SETPOINT, 120 DEGREE C MAX, IP65
    ✓ IN STOCK!
    Buy Surplus As Low As $169.00
    $169.00
    Repair Yours $200.00
    AUTOFLAME BOILER MM70001/E

    AUTOFLAME BOILER

    MM70001/E

    DISCONTINUED BY MANUFACTURER, EVOLUTION MODULE, MK7, 120-230 VAC, 50/60 HZ, 60 W, IP20
    ✓ IN STOCK!
    Buy Surplus As Low As $1,769.16
    $1,769.16
    Repair Yours $1,631.55
    WALCHEM KLBLW100PA-A

    WALCHEM

    KLBLW100PA-A

    DISCONTINUED BY MANUFACTURER, BOILER FLOW CONTROLLER, 7.0 AMP, 100-240 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $473.70
    $473.70
    Repair Yours $393.17
    XYLEM 150S-MD-HD

    XYLEM

    MCDONNELL & MILLER

    150S-MD-HD

    LOW WATER CUT-OFF AND PUMP CONTROLLER, SNAP ACTING SPDT SWITCH, MAXIMUM DIFFERENTIAL OPERATION HEAD, MECHANISM ONLY, 150 PSI MAX, (173103)
    ✓ IN STOCK!
    $1,594.27 Buy Surplus As Low As $956.56
    $956.56
    Repair Yours $793.94
    HEAT TIMER 926650-C/V

    HEAT TIMER

    926650-C/V

    CONTROL / MULTI-BOILER, MODULATING SEQUENCING MODULE / MULTI-MOD, PLATINUM SERIES, FULL MODULATION, 135 OHM, CURRENT VOLTAGE, WITH SPACE FEEDBACK, FOR HYDRONIC / STEAM APPLICATIONS, W/O SENS ...
    ✓ IN STOCK!
    $11,405.71 Buy Surplus As Low As $4,434.54
    $4,434.54
    Repair Yours $3,680.67
    INDUSTRIE TECHNIK DBTV-R90110

    INDUSTRIE TECHNIK

    DBTV-R90110

    DISCONTINUED BY MANUFACTURER, BOILER IMMERSION THERMOSTAT, CHANGEOVER SWITCH, 1 STAGE, 90 -110 DEGREE C RANGE,FOR LIQUID ENVIRONMENTS
    ✓ IN STOCK!
    Buy Surplus As Low As $169.00
    $169.00
    Repair Yours $200.00
    XYLEM 63-HD

    XYLEM

    MCDONNELL & MILLER

    63-HD

    HEAD MECHANISM, LOW WATER CUTOFF, 142600
    ✓ IN STOCK!
    $1,017.49 Buy Surplus As Low As $610.49
    $610.49
    Repair Yours $484.00
    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!
    $1,457.49 Buy Surplus As Low As $874.49
    $874.49
    Repair Yours $779.00
    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!
    $1,360.70 Buy Surplus As Low As $816.42
    $816.42
    Repair Yours $780.00
    XYLEM 94-7B-HD

    XYLEM

    MCDONNELL & MILLER

    94-7B-HD

    LOW WATER CUT OFF AND PUMP CONTROLLER, COMBINATION, WITH POTENTIOMETER SWITCH, FOR STEAM BOILERS, 250 PSI MAX PRESSURE, 166400
    ✓ IN STOCK!
    $3,866.49 Buy Surplus As Low As $2,319.89
    $2,319.89
    Repair Yours $1,875.00
    XYLEM 93-HDLS

    XYLEM

    MCDONNELL & MILLER

    93-HDLS

    162402, HEAD MECHANISM LESS SWITCH, LOW WATER CUT OFF, PUMP CNTROLLER FORR STEAM BOILERS, 150 PSI MAX PRESSURE, MAGNETIC REPULSION
    ✓ IN STOCK!
    $1,606.38 Buy Surplus As Low As $1,220.85
    $1,220.85
    Repair Yours $708.00
    XYLEM 750-P-MT-120

    XYLEM

    MCDONNELL & MILLER

    750-P-MT-120

    DISCONTINUED BY MANUFACTURER, LOW WATER CUT-OFF, GUARDDOG, 176234, (DIRECT REPLACEMENT: FPC-1000-P)
    ✓ IN STOCK!
    $354.29 Buy Surplus As Low As $212.58
    $212.58
    Repair Yours $300.00
    HONEYWELL L60471005

    HONEYWELL

    L60471005

    DISCONTINUED BY MANUFACTURER, SUMMER AND WINTER BOILER CONTROL
    ✓ IN STOCK!
    $165.03 Buy Surplus As Low As $54.14
    $54.14
    HONEYWELL ERM5220R1018

    HONEYWELL

    RESIDEO

    ERM5220R1018

    EQUIPMENT REMOTE MODULE, REDLINK, WIRELESS, FOR COMMUNICATION BETWEEN UNIT/COMPRESSOR/BOILER AND THERMOSTAT
    ✓ IN STOCK!
    $228.07 Buy Surplus As Low As $147.83
    $147.83
    Repair Yours $300.00
    SCHNEIDER ELECTRIC LCX-810

    SCHNEIDER ELECTRIC

    ANDOVER CONTROLS

    LCX-810

    DISCONTINUED BY MANUFACTURER, CONTROLLER, W/ I/O EXPANSION PORT, STAND ALONE, PROGRAMMABLE, MICRO PROCESSOR-BASED CONTROLLER, MONITORING HVAC UNITS,18 VA,24 VAC 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $620.02
    $620.02
    Repair Yours $501.03
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