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    Sensors & Switches / Level Control

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    Results 1-50 of 144.
    XYLEM 150S

    XYLEM

    MCDONNELL & MILLER

    150S

    FLOAT CHAMBER, FOR HIGH PRESSURE LEVEL CONTROL, 150-HD, (171702)
    ✓ IN STOCK!
    $1,429.00 Buy Surplus As Low As $859.00
    $859.00
    Repair Yours $691.39
    XYLEM 93

    XYLEM

    MCDONNELL & MILLER

    93

    (162300), HI PRESSURE LEVEL CONTROL
    ✓ IN STOCK!
    $2,209.00 Buy Surplus As Low As $1,181.68
    $1,181.68
    Repair Yours $935.49
    XYLEM 158S

    XYLEM

    MCDONNELL & MILLER

    158S

    (178402), HI PRESSURE LEVEL CONTROL
    $1,649.00 Buy Surplus As Low As $990.00
    $990.00
    Repair Yours $822.00
    XYLEM PS-851-24

    XYLEM

    MCDONNELL & MILLER

    PS-851-24

    PS850M-24 W/MAN RESET 153892
    ✓ IN STOCK!
    $86.40 Buy Surplus As Low As $57.60
    $57.60
    XYLEM SA-150-125

    XYLEM

    MCDONNELL & MILLER

    SA-150-125

    DISCONTINUED BY MANUFACTURER, MERCURY SWITCH, 150 SERIES, 2 WIRE, PUMP CONTROL & LOW WATER CUT-OFF
    ✓ IN STOCK!
    Buy Surplus As Low As $182.00 $105.00
    $182.00 $105.00
    XYLEM 6M

    XYLEM

    MCDONNELL & MILLER

    6M

    DISCONTINUED BY MANUFACTOR, SWITCH, REPLACEMENT PART, MANUAL RESET LOW WATER CUT-OFF, FOR MCDONNELL 91, 92, 93, 94 SERIES CONTROLLERS
    ✓ IN STOCK!
    Buy Surplus As Low As $396.72
    $396.72
    Repair Yours $290.00
    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)
    $220.00 Buy Surplus As Low As $133.00
    $133.00
    Repair Yours $200.00
    XYLEM 751P-MT-120

    XYLEM

    MCDONNELL & MILLER

    751P-MT-120

    (176234) PROBE CONTROL LWCO, MANUAL RESET
    ✓ IN STOCK!
    $419.00 Buy Surplus As Low As $253.00
    $253.00
    Repair Yours $204.00
    XYLEM 93-M

    XYLEM

    MCDONNELL & MILLER

    93-M

    (162500), HI PRESSURE LEVEL CONTROL
    $2,407.00 Buy Surplus As Low As $1,445.00
    $1,445.00
    Repair Yours $1,200.00
    XYLEM 150S-M-MD

    XYLEM

    MCDONNELL & MILLER

    150S-M-MD

    (172807), HI PRESSURE LEVEL CONTROL
    $1,476.00 Buy Surplus As Low As $886.00
    $886.00
    Repair Yours $736.00
    XYLEM 157S-A-M

    XYLEM

    MCDONNELL & MILLER

    157S-A-M

    (172811), HI PRESSURE LEVEL CONTROL
    $1,879.00 Buy Surplus As Low As $1,128.00
    $1,128.00
    Repair Yours $937.00
    XYLEM 157S-M

    XYLEM

    MCDONNELL & MILLER

    157S-M

    (172817), HI PRESSURE LEVEL CONTROL
    $1,819.00 Buy Surplus As Low As $1,092.00
    $1,092.00
    Repair Yours $907.00
    XYLEM 157S-RB-MD

    XYLEM

    MCDONNELL & MILLER

    157S-RB-MD

    (176601), HI PRESSURE LEVEL CONTROL
    $2,013.00 Buy Surplus As Low As $1,208.00
    $1,208.00
    Repair Yours $1,003.00
    XYLEM 157S-RLS-MD

    XYLEM

    MCDONNELL & MILLER

    157S-RLS-MD

    (177251), HI PRESSURE LEVEL CONTROL
    $2,192.00 Buy Surplus As Low As $1,316.00
    $1,316.00
    Repair Yours $1,093.00
    XYLEM 193A-7B-M

    XYLEM

    MCDONNELL & MILLER

    193A-7B-M

    (164600), HI PRESSURE LEVEL CONTROL
    $3,838.00 Buy Surplus As Low As $2,303.00
    $2,303.00
    Repair Yours $1,912.00
    XYLEM 194A-7B

    XYLEM

    MCDONNELL & MILLER

    194A-7B

    (167100), HI PRESSURE LEVEL CONTROL
    $4,165.00 Buy Surplus As Low As $2,499.00
    $2,499.00
    Repair Yours $2,075.00
    XYLEM PCH-G-A-1

    XYLEM

    MCDONNELL & MILLER

    PCH-G-A-1

    CONTROL GENERAL PURPOSE LIQUID LEVEL 120VAC 60HZ
    ✓ IN STOCK!
    $186.00 Buy Surplus As Low As $112.00
    $112.00
    Repair Yours $200.00
    XYLEM FS-254

    XYLEM

    MCDONNELL & MILLER

    FS-254

    GENERAL PURPOSE LIQUID FLOW SWITCH, WITH NEMA 4 ENCLOSURE, 1" NPT, SPDT SNAP SWITCH 1"/2"/3" AND 6" STAINLESS STEEL PADDLES, PART NUMBER 120610
    ✓ IN STOCK!
    $494.00 Buy Surplus As Low As $188.00
    $188.00
    XYLEM 150S-B-M

    XYLEM

    MCDONNELL & MILLER

    150S-B-M

    (172803), HI PRESS LEVEL CONTROL
    ✓ IN STOCK!
    $2,151.00 Buy Surplus As Low As $1,291.00
    $1,291.00
    Repair Yours $1,072.00
    XYLEM 150S-M

    XYLEM

    MCDONNELL & MILLER

    150S-M

    (172806), HI PRESSURE LEVEL CONTROL
    $1,387.00 Buy Surplus As Low As $833.00
    $833.00
    Repair Yours $692.00
    XYLEM 150S-MD

    XYLEM

    MCDONNELL & MILLER

    150S-MD

    (171802), HI PRESSURE LEVEL CONTROL
    $1,387.00 Buy Surplus As Low As $833.00
    $833.00
    Repair Yours $692.00
    XYLEM PSE-802-U-24

    XYLEM

    MCDONNELL & MILLER

    PSE-802-U-24

    PROBE CONTROL, 24VAC, AUTO RESET, LOW WATER CUT OFF FOR STEAM BOILERS, W/ TEST SWITCH AND EXTENDED BARREL PROBE (PART NUMBER 153928), REPLACES PS-802-U-24
    $417.00 Buy Surplus As Low As $251.00
    $251.00
    Repair Yours $209.00
    XYLEM SA-150-124

    XYLEM

    MCDONNELL & MILLER

    SA-150-124

    DISCONTINUED BY MANUFACTURER, MERCURY SWITCH, 6INCH WIRE
    ✓ IN STOCK!
    Buy Surplus As Low As $248.00
    $248.00
    XYLEM 750-HW-MT-120

    XYLEM

    MCDONNELL & MILLER

    750-HW-MT-120

    750-HW-MT-120 LOW WATER CUT-OFF
    $308.00 Buy Surplus As Low As $185.00
    $185.00
    Repair Yours $200.00
    XYLEM 750-MT-24

    XYLEM

    MCDONNELL & MILLER

    750-MT-24

    750-MT-24 LWCO - 24V MANUAL RESET
    $293.00 Buy Surplus As Low As $176.00
    $176.00
    Repair Yours $200.00
    XYLEM 93-7B-M

    XYLEM

    MCDONNELL & MILLER

    93-7B-M

    (163100), HI PRESSURE LEVEL CONTROL
    $3,326.00 Buy Surplus As Low As $1,996.00
    $1,996.00
    Repair Yours $1,657.00
    XYLEM 94-7B

    XYLEM

    MCDONNELL & MILLER

    94-7B

    (166300), HI PRESSURE LEVEL CONTROL
    $3,699.00 Buy Surplus As Low As $2,220.00
    $2,220.00
    Repair Yours $1,843.00
    XYLEM 94-M

    XYLEM

    MCDONNELL & MILLER

    94-M

    (165900), HI PRESSURE LEVEL CONTROL, BLACK
    ✓ IN STOCK!
    $2,794.00 Buy Surplus As Low As $1,677.00
    $1,677.00
    Repair Yours $1,352.00
    XYLEM 157S-M-MD

    XYLEM

    MCDONNELL & MILLER

    157S-M-MD

    (172813), HI PRESSURE LEVEL CONTROL
    $1,879.00 Buy Surplus As Low As $1,128.00
    $1,128.00
    Repair Yours $937.00
    XYLEM 157S-RBP-MD

    XYLEM

    MCDONNELL & MILLER

    157S-RBP-MD

    LEVEL CONTROL,HI PRESSURE, LOW QWATER CUT OFF, AUTOMATIC, 50PSI MAX PRESSURE, 120/240V, 1IN CONNECTION.
    $3,387.00 Buy Surplus As Low As $2,033.00
    $2,033.00
    Repair Yours $1,688.00
    XYLEM 157S-RL

    XYLEM

    MCDONNELL & MILLER

    157S-RL

    (176902), HI PRESSURE LEVEL CONTROL
    $2,060.00 Buy Surplus As Low As $1,236.00
    $1,236.00
    Repair Yours $1,026.00
    XYLEM 193-7B

    XYLEM

    MCDONNELL & MILLER

    193-7B

    HI PRESSURE LEVEL CONTROL, 150PSI MAX, COMBO, AUTOMATIC RESET, WATER COLUMN, 1" THREAD, THREADED, 345VA PIOLT DUTY RATING, (164400)
    $3,640.00 Buy Surplus As Low As $2,184.00
    $2,184.00
    Repair Yours $1,813.00
    XYLEM 194-M

    XYLEM

    MCDONNELL & MILLER

    194-M

    (166900), HI PRESSURE LEVEL CONTROL
    $3,317.00 Buy Surplus As Low As $1,991.00
    $1,991.00
    Repair Yours $1,653.00
    XYLEM FPC-1000

    XYLEM

    MCDONNELL & MILLER

    FPC-1000

    ELECTRONIC LOW WATER CUT OFF LWCO WITHOUT PROBE (144704)
    ✓ IN STOCK!
    $288.00 Buy Surplus As Low As $173.00
    $173.00
    Repair Yours $200.00
    XYLEM PS-801-120

    XYLEM

    MCDONNELL & MILLER

    PS-801-120

    LEVEL CONTROL, LOW WATER CUT-OFF, MAX STEAM PRESSURE 15 PSI, MAX TEMP. 250 F, 120/240 VACPILOT DUTY RATING 125 V.A.
    $236.00 Buy Surplus As Low As $119.00
    $119.00
    Repair Yours $200.00
    XYLEM PS-802-U-24

    XYLEM

    MCDONNELL & MILLER

    PS-802-U-24

    DISCONTINUED BY MANUFACTURER 07/13/2022, PROBE CONTROL, LOW WATER CONTROL, PS-802 IS FOR STEAM, 24 VAC, #153916, REPLACED BY PSE-802-U-24
    Buy Surplus As Low As $356.00
    $356.00
    Repair Yours $296.00
    XYLEM PS-851-M-120

    XYLEM

    MCDONNELL & MILLER

    PS-851-M-120

    DISCONTINUED BY MANUFACTURER, CONTROL LOW WATER CUT-OFF, 120/240VAC, 160PSI, 250DEG
    Buy Surplus As Low As $303.00
    $303.00
    Repair Yours $249.00
    XYLEM PS-851-SP-120

    XYLEM

    MCDONNELL & MILLER

    PS-851-SP-120

    LWCO W/ SHORT PROBE #153920
    $229.00 Buy Surplus As Low As $137.00
    $137.00
    Repair Yours $200.00
    XYLEM PSE-801-M-U-120

    XYLEM

    MCDONNELL & MILLER

    PSE-801-M-U-120

    (153603), CONTROL UNIT, W/EXTENDED BARRELL, USE IN STEAM BOILERS, 120V, MANUAL RESET, LED INDICATOR, 15PSI PRESSURE
    $465.00 Buy Surplus As Low As $279.00
    $279.00
    Repair Yours $232.00
    XYLEM PSE-801-U-120

    XYLEM

    MCDONNELL & MILLER

    PSE-801-U-120

    PSE-801-U-120 LWCO W/EXT BARRELL PROBE (U)
    $431.00 Buy Surplus As Low As $259.00
    $259.00
    Repair Yours $215.00
    XYLEM PSE-802-24

    XYLEM

    MCDONNELL & MILLER

    PSE-802-24

    (153927), PROBE CONTROL LWCO
    $397.00 Buy Surplus As Low As $239.00
    $239.00
    Repair Yours $200.00
    XYLEM PSE-802-M-24

    XYLEM

    MCDONNELL & MILLER

    PSE-802-M-24

    (153602), PROBE CONTROL LWCO
    $454.00 Buy Surplus As Low As $273.00
    $273.00
    Repair Yours $227.00
    XYLEM RB-24E

    XYLEM

    MCDONNELL & MILLER

    RB-24E

    (144692), PROBE CONTROL LWCO
    $214.00 Buy Surplus As Low As $129.00
    $129.00
    Repair Yours $200.00
    XYLEM RB-24E-A

    XYLEM

    MCDONNELL & MILLER

    RB-24E-A

    LWCO WIRING 4 VENT DAMP(144694
    $232.00 Buy Surplus As Low As $140.00
    $140.00
    Repair Yours $200.00
    XYLEM RS-2-BR-1

    XYLEM

    MCDONNELL & MILLER

    RS-2-BR-1

    REMOTE SENSOR, 2 LEVELS, NEMA 4X ENCLOSURE, MAXIMUM TEMPERATURE 406 DEG. F (208 DEG. C), MAXIMUM PRESSURE 250 PSIG (17.6 KG/CM), (179525)
    $746.00 Buy Surplus As Low As $367.38
    $367.38
    Repair Yours $371.84
    XYLEM 369

    XYLEM

    MCDONNELL & MILLER

    369

    SENSOR, 2 1/2" NPT, 1 3/4" INSERTION LENGTH, 20 PSI, AUTO RESET MECHANICAL LOW WATER CUT OFF FOR STEAM BOILERS, PART NUMBER 155300
    $671.00 Buy Surplus As Low As $403.00
    $403.00
    Repair Yours $335.00
    XYLEM 64

    XYLEM

    MCDONNELL & MILLER

    64

    LOW WATER CUT-OFF, MAXIMUM BOILER PRESSURE 50 PSI, ADJUSTABLE BX OUTLET, HEAVY DUTY, VALVE, 143600, 1 INCH/ 25 MM NPT
    $806.00 Buy Surplus As Low As $484.00
    $484.00
    Repair Yours $391.00
    XYLEM 750-T-120

    XYLEM

    MCDONNELL & MILLER

    750-T-120

    DISCONTINUED BY MANUFACTURER, CONTROL, ELECTRONIC RESET, AUTO RESET, LOW WATER CUT OFF, FOR HOT WATER AND STEAM BOILERS, WITH TEST SWITCH, 120 VAC, 3 VA, 200000 OHMS, 15 PSI MAX, 2 1/8 INCH ...
    Buy Surplus As Low As $303.00
    $303.00
    Repair Yours $249.00
    XYLEM 750-T-24

    XYLEM

    MCDONNELL & MILLER

    750-T-24

    750-T-24 LWCO - 24V AUTO RESET
    $293.00 Buy Surplus As Low As $176.00
    $176.00
    Repair Yours $200.00
    XYLEM 752P-MT-U-24

    XYLEM

    MCDONNELL & MILLER

    752P-MT-U-24

    752P-MT-U-24 LWCO - 24V W/EXT. BARREL PROBE (U)
    $436.00 Buy Surplus As Low As $262.00
    $262.00
    Repair Yours $218.00
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