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    Results 1-50 of 843.
    HONEYWELL RA890F-1478

    HONEYWELL

    RA890F-1478

    DISCONTINUED BY MANUFACTURER, PROTECTORELAY, FLAME SAFETY, FLAME CONTROL, 120 VAC, FLAME RESPONSE 15 SEC, SPDT ALARM CONTACTS
    Buy Surplus As Low As $1,470.84
    $1,470.84
    Repair Yours $800.00
    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
    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
    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!
    $6,621.00 Buy Surplus As Low As $3,433.65
    $3,433.65
    Repair Yours $790.00
    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
    HONEYWELL RA890F-1247-3

    HONEYWELL

    RA890F-1247-3

    DISCONTINUED BY MANUFACTURER, FLAME PROTECTOR RELAY, SAFTEY, RESPONSE 3 SECONDS, 120V
    ✓ IN STOCK!
    Buy Surplus As Low As $993.49
    $993.49
    Repair Yours $785.00
    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
    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 $827.93
    $827.93
    Repair Yours $723.35
    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
    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
    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 42S-HD

    XYLEM

    MCDONNELL & MILLER

    42S-HD

    PUMP CONTROLLER, HEAD MECHANISM, ANDLOW WATER CUT-OFF, 50PSI MAX,120/240VAC
    ✓ IN STOCK!
    $1,100.00 Buy Surplus As Low As $726.00
    $726.00
    Repair Yours $693.00
    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
    Repair Yours $649.87
    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 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
    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 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 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!
    $1,237.00 Buy Surplus As Low As $817.00
    $817.00
    Repair Yours $780.00
    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
    XYLEM 193-B-7B

    XYLEM

    MCDONNELL & MILLER

    193-B-7B

    (164700), HI PRESSURE LEVEL CONTROL, 7B SWITCH, 150 PSI, AUTOMATIC RESET, W/ WATER COLUMN ALTERNATE TAPPINGS
    ✓ IN STOCK!
    $3,572.56 Buy Surplus As Low As $2,143.53
    $2,143.53
    Repair Yours $1,827.00
    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
    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
    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
    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 $3,776.42
    $3,776.42
    Repair Yours $3,299.40
    WATTS 284

    WATTS

    TEKMAR

    284

    BOILER CONTROL, BAS, FOUR BOILER, 115VAC VOLTAGE, 60HZ FREQUENCY, 18VA CURRENT
    ✓ IN STOCK!
    $4,007.00 Buy Surplus As Low As $1,583.98
    $1,583.98
    Repair Yours $1,461.00
    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
    LOCHINVAR 100208666

    LOCHINVAR

    100208666

    PC BOARD, LOW WATER CUT-OFF, MANUAL RESET, FOR USE WITH PB/PF 502 TO 1302 HEATING BOILERS
    ✓ IN STOCK!
    $396.00 Buy Surplus As Low As $238.77
    $238.77
    Repair Yours $300.00
    HONEYWELL ERM5220R1018

    HONEYWELL

    RESIDEO

    ERM5220R1018

    EQUIPMENT REMOTE MODULE, REDLINK, WIRELESS, FOR COMMUNICATION BETWEEN UNIT/COMPRESSOR/BOILER AND THERMOSTAT
    ✓ IN STOCK!
    $216.00 Buy Surplus As Low As $147.83
    $147.83
    Repair Yours $300.00
    XYLEM 93-HD

    XYLEM

    MCDONNELL & MILLER

    93-HD

    CONTROLLER, COMBINATION LOW WATER CUT OFF AND PUMP , TWO SNAP ACTING SPDT SWITCH, FOR STEAM BOILERS, 150 PSI MAX PRESSURE, HEAD MECHANISM ONLY
    ✓ IN STOCK!
    $2,752.19 Buy Surplus As Low As $1,651.31
    $1,651.31
    Repair Yours $1,140.00
    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
    XYLEM 67-G

    XYLEM

    MCDONNELL & MILLER

    67-G

    67-G LOW WATER CUT-OFF (QTY 1-11) , 149600
    ✓ IN STOCK!
    $893.43 Buy Surplus As Low As $536.06
    $536.06
    Repair Yours $415.00
    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 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
    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
    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
    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!
    $321.00 Buy Surplus As Low As $244.00
    $244.00
    Repair Yours $300.00
    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!
    $658.00 Buy Surplus As Low As $435.00
    $435.00
    Repair Yours $415.00
    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!
    $667.22 Buy Surplus As Low As $400.33
    $400.33
    Repair Yours $300.00
    XYLEM 93-7B-HD

    XYLEM

    MCDONNELL & MILLER

    93-7B-HD

    HEAD MECHANISM, COMBINATION LOW WATER CUT OFF AND PUMP CONTROLLER, 150 PSI, 1" NPT, 7B SWITCH, MAGNETIC REPULSION, (163200)
    ✓ IN STOCK!
    $2,964.00 Buy Surplus As Low As $1,957.00
    $1,957.00
    Repair Yours $1,756.00
    WATTS 123550

    WATTS

    AERCO

    123550

    PC BOARD, FOR BOILER
    ✓ IN STOCK!
    Buy Surplus As Low As $75.58
    $75.58
    WATTS 61002-14

    WATTS

    AERCO

    61002-14

    AERCO BLOWER PROVE SWITCH
    ✓ IN STOCK!
    $131.00 Buy Surplus As Low As $79.00
    $79.00
    Repair Yours Contact Us
    INDUSTRI TEKNIK DBTV-16U

    INDUSTRI TEKNIK

    DBTV-16U

    DISCONTINUED BY MANUFACTURER, LIQUID IMMERSION THERMOSTAT, CHANGEOVER SWITCH, 20/90 DEGREE C RANGE, INTERNAL DIAL, BRASS BULB, M20 CABLE OPENING
    ✓ IN STOCK!
    Buy Surplus As Low As $89.55
    $89.55
    Repair Yours $401.26
    LOCHINVAR KIT3096

    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
    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
    SIEMENS RMK770-1

    SIEMENS

    RMK770-1

    BOILER SEQUENCE CONTROLLER, POTENTIAL-FREE INPUT SIGNAL, T1 (PTC), PT1000, POTENTIAL-FREE DIGITAL STATUS CONTACT, LG-NI1000, DC 0...10 V, 2 X LG-NI1000, 1000...1175 OHM, 0...1000 OHM, 5 MA, ...
    ✓ IN STOCK!
    $621.96 Buy Surplus As Low As $545.60
    $545.60
    Repair Yours $401.26
    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
    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
    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-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
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