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    Results 201-250 of 307.
    SERVICE FIRST RLY01665

    SERVICE FIRST

    RLY01665

    RELAY
    $39.00 Buy Surplus As Low As $24.00
    $24.00
    SERVICE FIRST RLY01678

    SERVICE FIRST

    RLY01678

    DISCONTINUED BY MANUFACTURER, CURRENT SENSING RELAY SWITCH 2-135AMP AC/DC
    Buy Surplus As Low As $55.00
    $55.00
    SERVICE FIRST RLY01709

    SERVICE FIRST

    RLY01709

    DISCONTINUED BY MANUFACTURER, RELAY / SWITCHING, 2PDT, 12 AMP, 125 VAC, 24 VAC COIL
    Buy Surplus As Low As $7.22
    $7.22
    SERVICE FIRST RLY01710

    SERVICE FIRST

    RLY01710

    POWER RELAY, USE ANY 90-341 IN ALTERNATE SECTION, DPDT, 120VAC, 15A, PLUG IN; RELAY TYPE:GENERAL PURPOSE; COIL VOLTAGE VAC NOM:120V; CONTACT CURRENT MAX:15A; CONTACT VOLTAGE AC NOM:277V;
    $17.00 Buy Surplus As Low As $9.73
    $9.73
    SERVICE FIRST RLY01770

    SERVICE FIRST

    RLY01770

    DISCONTINUED BY MANUFACTURER, TIME DELAY RELAY FAN, 24 V
    ✓ IN STOCK!
    Buy Surplus As Low As $70.11
    $70.11
    SERVICE FIRST RLY02257

    SERVICE FIRST

    RLY02257

    TIME DELAY RELAY
    Buy Surplus As Low As $33.00
    $33.00
    SERVICE FIRST RLY02471

    SERVICE FIRST

    RLY02471

    TIME DELAY RELAY
    $91.00 Buy Surplus As Low As $55.00
    $55.00
    SERVICE FIRST RLY-1039

    SERVICE FIRST

    RLY-1039

    TIME DELAY RELAY DPST 24VAC COIL ADJ 10 -120 SEC
    $69.00 Buy Surplus As Low As $42.00
    $42.00
    SERVICE FIRST SEN00007

    SERVICE FIRST

    SEN00007

    DISCONTINUED BY MANUFACTURER, SENSOR PROBE
    Buy Surplus As Low As $20.81
    $20.81
    SERVICE FIRST SEN00211

    SERVICE FIRST

    SEN00211

    DISCONTINUED BY MANUFACTURER, SENSOR, DUCT/IIMMERSON TEMPERATURE, 10K OHM
    ✓ IN STOCK!
    Buy Surplus As Low As $67.60
    $67.60
    SERVICE FIRST SEN00233

    SERVICE FIRST

    SEN00233

    FLAME SENSOR, TRANE FURNACE, REPLACEMENT PART
    ✓ IN STOCK!
    $69.00 Buy Surplus As Low As $53.00
    $53.00
    SERVICE FIRST SEN00277

    SERVICE FIRST

    SEN00277

    HUMIDITY SENSOR, 32 TO 125 DEGREES F OPERATING, FOR HVAC SYSTEM
    ✓ IN STOCK!
    $275.00 Buy Surplus As Low As $125.04
    $125.04
    SERVICE FIRST SEN00408

    SERVICE FIRST

    SEN00408

    DISCONTINUED BY MANUFACTURER, THERMOSTAT SENSOR, ZONE, STAT, LEVEL 2,NON HEAT, H/A/O/C) FAN ON/AUTO TEMP ADJUST
    Buy Surplus As Low As $38.49
    $38.49
    SERVICE FIRST SEN-0073

    SERVICE FIRST

    SEN-0073

    SENSOR FLAME
    Buy Surplus As Low As $33.00
    $33.00
    SERVICE FIRST SEN01066

    SERVICE FIRST

    SEN01066

    AMBIENT SENSOR
    $91.00 Buy Surplus As Low As $55.00
    $55.00
    Repair Yours $300.00
    SERVICE FIRST SEN01279

    SERVICE FIRST

    SEN01279

    PRESSURE SENSOR OUTDOOR STATIC
    $321.18 Buy Surplus As Low As $192.91
    $192.91
    Repair Yours $300.00
    SERVICE FIRST SEN01289

    SERVICE FIRST

    SEN01289

    DISCONTINUED BY MANUFACTURER, SERVICE FIRST, SEN01289, SENSOR PROGRAMMABLE ZONE
    ✓ IN STOCK!
    Buy Surplus As Low As $264.86
    $264.86
    Repair Yours $300.00
    SERVICE FIRST SEN01655

    SERVICE FIRST

    SEN01655

    FLOW SENSOR, THERMAL DISPERSION, PROGRAMMABLE, SP=35 CM/S, 5 PIN CONNECTOR, 24 V AC/DC, IP67
    $562.00 Buy Surplus As Low As $338.00
    $338.00
    SERVICE FIRST SEN01960

    SERVICE FIRST

    SEN01960

    SENSOR, HI-TEMPERATURE, 24 V DC, 20 MA MAXIMUM, OVERMOLDED, FOR HVAC AND REFRIGERATION APPLICATIONS, 19 INCH WIRE LEAD, 2 INCH SENSOR, 4 STRAIGHT BLADE PLUG IN, 90 DEGREE ANGLE PLUG
    ✓ IN STOCK!
    $260.10 Buy Surplus As Low As $170.69
    $170.69
    SERVICE FIRST SEN02039

    SERVICE FIRST

    SEN02039

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, FAST RESPONSE, 20 X15 X 5 CM
    ✓ IN STOCK!
    Buy Surplus As Low As $160.21
    $160.21
    SERVICE FIRST SEN02133

    SERVICE FIRST

    SEN02133

    SENSOR, THERMOCOUPLE SENSOR, TEMPERATURE SENSOR
    $192.00 Buy Surplus As Low As $116.00
    $116.00
    SERVICE FIRST SEN02662

    SERVICE FIRST

    SEN02662

    S9 LP FLAME SENSOR
    ✓ IN STOCK!
    $6.42 Buy Surplus As Low As $5.35
    $5.35
    SERVICE FIRST SENO1561

    SERVICE FIRST

    SENO1561

    TEMPERATURE SENSOR, HUMIDITY, 18-36 VDC, 4-20 MA, -20 TO 140 DEGREE F, POLYMER CAPACITIVE, WALL MOUNT, WHITE
    ✓ IN STOCK!
    $260.00 Buy Surplus As Low As $129.91
    $129.91
    Repair Yours $300.00
    SERVICE FIRST SHE06354

    SERVICE FIRST

    SHE06354

    DISCONTINUED BY MANUFACTURER, V-BELT IDLER PULLEY, 3/8 INCH BORE
    ✓ IN STOCK!
    Buy Surplus As Low As $54.10
    $54.10
    SERVICE FIRST SHF01504

    SERVICE FIRST

    SHF01504

    SHAFT, FAN, 1X22.295
    $174.73 Buy Surplus As Low As $105.04
    $105.04
    SERVICE FIRST SLG00056

    SERVICE FIRST

    SLG00056

    SERVICE FIRST, SLG00056, RAIN SHIELD BY EMERSON, 56 INCH FRAME, 1/2 INCH BLACK, SLINGER; 50 INCH BORE
    ✓ IN STOCK!
    $9.90 Buy Surplus As Low As $4.07
    $4.07
    SERVICE FIRST SPG00249

    SERVICE FIRST

    SPG00249

    SPRING
    ✓ IN STOCK!
    $11.70 Buy Surplus As Low As $5.23
    $5.23
    SERVICE FIRST SWT-00156

    SERVICE FIRST

    SWT-00156

    SWITCH FAN CONTROL, 3 SPEED, 10/5 AMP, 125/250 VOLT, HVAC EQUIPMENT
    Buy Surplus As Low As $97.97
    $97.97
    SERVICE FIRST SWT00396

    SERVICE FIRST

    SWT00396

    DISCONTINUED BY MANUFACTURER, HIGH PRESSURE SWITCH, 125 VA AT 120/240 VAC, OPEN AT 405 PSIG, CLOSED AT 300 PSIG, -65 - 275 F TEMP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $45.48
    $45.48
    SERVICE FIRST SWT00644

    SERVICE FIRST

    SWT00644

    PRESSURE SWITCH AIR .40IN WC
    $119.00 Buy Surplus As Low As $60.00
    $60.00
    SERVICE FIRST SWT0070

    SERVICE FIRST

    SWT0070

    ROCKER SWITCH, 3PST, 15/10 AMP, 125-250 V, OFF ON
    ✓ IN STOCK!
    $18.00 Buy Surplus As Low As $14.00
    $14.00
    SERVICE FIRST SWT00842

    SERVICE FIRST

    SWT00842

    TEMPERATURE CONTROL SWITCH
    Buy Surplus As Low As $63.00
    $63.00
    SERVICE FIRST SWT00977

    SERVICE FIRST

    SWT00977

    PRESSURE SWITCH
    $99.00 Buy Surplus As Low As $49.00
    $49.00
    SERVICE FIRST SWT00983

    SERVICE FIRST

    SWT00983

    AIR FLOW SWITCH SPDT 10AMP 250V
    $13.00 Buy Surplus As Low As $7.63
    $7.63
    SERVICE FIRST SWT00986

    SERVICE FIRST

    SWT00986

    LIMIT SWITCH 10AMP 250V SPDT
    $17.00 Buy Surplus As Low As $11.00
    $11.00
    SERVICE FIRST SWT01190

    SERVICE FIRST

    SWT01190

    SWITCH, 120/240 VAC OPEN, 155 PSIG, CLOSE-275, PSIG,-65 TO 275 DEG F
    $48.96 Buy Surplus As Low As $30.30
    $30.30
    SERVICE FIRST SWT01258

    SERVICE FIRST

    SWT01258

    THERMAL LIMIT SWITCH, 140 F LIMIT, FOR USE WITH AUD1A040A9241AA FURNACES
    $81.00 Buy Surplus As Low As $62.00
    $62.00
    SERVICE FIRST SWT01259

    SERVICE FIRST

    SWT01259

    FURNACE THERMAL LIMIT SWITCH
    $34.00 Buy Surplus As Low As $22.00
    $22.00
    SERVICE FIRST SWT01611

    SERVICE FIRST

    SWT01611

    LIMIT SWITCH THERMAL, OPEN 170 F / CLOSE 140 F, 120 V
    $23.99 Buy Surplus As Low As $14.15
    $14.15
    SERVICE FIRST SWT01696

    SERVICE FIRST

    SWT01696

    LIMIT SWITCH FURNACE DISC
    Buy Surplus As Low As $39.00
    $39.00
    SERVICE FIRST SWT01714

    SERVICE FIRST

    SWT01714

    DISCONTINUED BY MANUFACTURER, DOOR FAN SWITCH, 21 AMPS, 125/250 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $8.52
    $8.52
    SERVICE FIRST SWT01718

    SERVICE FIRST

    SWT01718

    DISCONTINUED BY MANUFACTURER, LOW PRESSURE SWITCH, 0-7PSI
    Buy Surplus As Low As $34.33
    $34.33
    SERVICE FIRST SWT01741

    SERVICE FIRST

    SWT01741

    PRESSURE SWITCH DUAL SPNO
    Buy Surplus As Low As $33.00
    $33.00
    SERVICE FIRST SWT01839

    SERVICE FIRST

    SWT01839

    SWITCH KEYLOCK 2PDT 2POSITION 7/3AMP 125/250VAC
    $37.37 Buy Surplus As Low As $23.23
    $23.23
    SERVICE FIRST SWT02173

    SERVICE FIRST

    SWT02173

    ROLLOUT SWITCH, 3 INCH, 310 DEGREES F MAX TEMPERATURE
    ✓ IN STOCK!
    $28.75 Buy Surplus As Low As $13.57
    $13.57
    SERVICE FIRST SWT02221

    SERVICE FIRST

    SWT02221

    PRESSURE SWITCH, 6.0 PDID OPEN, 1.1-2.3 PSID CLOS ON FALL, 120/240 VAC, W/36 INCH CAPPAILARY
    ✓ IN STOCK!
    $54.95 Buy Surplus As Low As $26.03
    $26.03
    SERVICE FIRST SWT02261

    SERVICE FIRST

    SWT02261

    PRESSURE SWITCH
    Buy Surplus As Low As $90.00
    $90.00
    Repair Yours $300.00
    SERVICE FIRST SWT02262

    SERVICE FIRST

    SWT02262

    DISCONTINUED BY MANUFACTURER, FURNACE AIR PRESSURE SWITCH
    Buy Surplus As Low As $24.97
    $24.97
    Repair Yours $300.00
    SERVICE FIRST SWT02266

    SERVICE FIRST

    SWT02266

    PRESSURE SWITCH, AIR LOW PRESSURE
    Buy Surplus As Low As $33.00
    $33.00
    SERVICE FIRST SWT02293

    SERVICE FIRST

    SWT02293

    PRESSURE SWITCH, 1/10 HORSEPOWER, SINGLE POLE
    $45.45 Buy Surplus As Low As $28.28
    $28.28
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