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    Results 1-50 of 1,000.
    WALCHEM WDSPHC

    WALCHEM

    WDSPHC

    DIFFERENTIAL PHOTOELECTRIC SENSOR,1. PH SENSOR2
    ✓ IN STOCK!
    $1,111.00 Buy Surplus As Low As $510.00
    $510.00
    Repair Yours $418.32
    WALCHEM WEL-PHF-NN

    WALCHEM

    WEL-PHF-NN

    ELECTRODE, WEL SERIES, FLAT SURFACE PH CARTRIDGE, 100 PSIG @ 212 DEG F
    ✓ IN STOCK!
    $261.00 Buy Surplus As Low As $157.00
    $157.00
    WALCHEM 102606

    WALCHEM

    102606

    ELECTRODE HOUSING, PREAMP, 20 FOOT CABLE, SERIES PH/ORP
    ✓ IN STOCK!
    $373.00 Buy Surplus As Low As $225.00
    $225.00
    Repair Yours $200.00
    WALCHEM 102884

    WALCHEM

    102884

    CONDUCTIVITY PROBE TEE FITTING, 3/4 INCH NPTF, FOR 190986 ELECTRODE
    ✓ IN STOCK!
    $64.00 Buy Surplus As Low As $39.00
    $39.00
    WALCHEM WEL-PHB-NN

    WALCHEM

    WEL-PHB-NN

    WALCHEM ELECTRODE, PH, BULB
    ✓ IN STOCK!
    $212.00 Buy Surplus As Low As $128.00
    $128.00
    WALCHEM WEL-PHH-NN

    WALCHEM

    WEL-PHH-NN

    PH ELECTRODE, WEL SERIES, HF RESISTANT PH, 0-14 PH, 0-100 PSI
    ✓ IN STOCK!
    $294.00 Buy Surplus As Low As $177.00
    $177.00
    WALCHEM 191653-20

    WALCHEM

    191653-20

    PH/ORP ELECTRODES HOUSING, PREAMP, 20 FOOT CABLE, TEMPERATURE COMPENSATION
    ✓ IN STOCK!
    $449.00 Buy Surplus As Low As $270.00
    $270.00
    Repair Yours $218.00
    WALCHEM WMB81100-2NNMN

    WALCHEM

    WMB81100-2NNMN

    DISCONTINUED BY MANUFACTURER, WATER TREATMENT CONTROLLER, 120/240 VAC, 50/60 HZ, 12 AMP, MAX OUTPUT 11 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $2,430.00
    $2,430.00
    Repair Yours $2,250.00
    WALCHEM WMT8120-6PNNNN

    WALCHEM

    WMT8120-6PNNNN

    DISCONTINUED BY MANUFACTURER, WATER TREATMENT CONTROLLER, WEBMASTER ONE, 12 AMP, 100/240 VAC, 50/60 HZ, GRAPHITE ELECTRODE (150 PSI), ORP ROD (100 PSI), HARDWIRED, 7 POWERED, 1 DRY CONTACT R ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,680.00
    $1,680.00
    Repair Yours $1,400.00
    WALCHEM WM182-1NBMN

    WALCHEM

    WM182-1NBMN

    DISCONTINUED BY MANUFACTURER, WATER TREATMENT CONTROLLER, WEBMASTER ONE, 12 AMP, 100/240 VAC, 50/60 HZ, GRAPHITE ELECTRODE (150 PSI), ORP ROD (100 PSI), HARDWIRED, 7 POWERED, 1 DRY CONTACT R ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,512.00
    $1,512.00
    Repair Yours $1,400.00
    WALCHEM 190768

    WALCHEM

    190768

    CONTROLLER CONTACTING CONDUCTIVITY SENSOR, 6" CABLE, 0 TO 250 PSI, 316 STAINLESS STEEL/PEEK, CONTACTING CONDUCTIVITY SENSOR, WITH AUTOMATIC TEMPERATURE COMPENSATION, FOR WEBMASTER WATER TREA ...
    ✓ IN STOCK!
    $523.00 Buy Surplus As Low As $314.00
    $314.00
    Repair Yours $254.00
    WALCHEM EZB15DI-VE

    WALCHEM

    EZB15DI-VE

    DISCONTINUED BY MANUFACTURER, METERING PUMP, 1 GPH CAPACITY, 105 PSI, 1-260 SPM, 115 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $120.00
    $120.00
    Repair Yours $200.00
    WALCHEM WEL-MVF-NN

    WALCHEM

    WEL-MVF-NN

    ELECTRODE, WEL SERIES, FLAT SURFACE ORP CARTRIDGE, NO HOUSING, NO MOUNTING, 100 PSIG@212 DEG F
    ✓ IN STOCK!
    $494.00 Buy Surplus As Low As $209.00
    $209.00
    WALCHEM WDSPHW

    WALCHEM

    WDSPHW

    SENSOR, DIFFERENTIAL PH, 24 VDC, 2M CABLE
    ✓ IN STOCK!
    $1,120.00 Buy Surplus As Low As $672.00
    $672.00
    Repair Yours $558.00
    WALCHEM EZB16D1-VE

    WALCHEM

    EZB16D1-VE

    METERING PUMP, (1) FOOT VALVE, (1) INJECTION VALVE & A CERAMIC, 3/8 POLYETHYLENE TUBING- 20FT, 1.0GPH @ 105PSI,115VAC
    ✓ IN STOCK!
    $528.00 Buy Surplus As Low As $317.00
    $317.00
    Repair Yours $256.00
    WALCHEM CEC81-2NNNN

    WALCHEM

    CEC81-2NNNN

    DISCONTINUED BY MANUFACTURER, CONTROLLER, WATER TREATMENT, WEB MASTER SERIES, CONTROLLER PLUS, 8 RELAY CHANNEL,12 AMP, 120/240 V, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $2,700.00
    $2,700.00
    Repair Yours $2,250.00
    WALCHEM WDP310-1N6

    WALCHEM

    WDP310-1N6

    PH/ORP CONTROLLER, 115 VAC, 10 AMP, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $702.00
    $702.00
    WALCHEM 191020-04

    WALCHEM

    191020-04

    SWITCH & FLOAT ASSEMBLY, LOW PRESSURE, 4 FT. CABLE
    ✓ IN STOCK!
    $193.00 Buy Surplus As Low As $117.00
    $117.00
    WALCHEM 191694

    WALCHEM

    191694

    CONDUCTIVITY SENSOR, 6" CABLE, 0-250 PSI, 316 STAINLESS STEEL/PEEK, W/ AUTOMATIC TEMPERATURE COMPENSATION
    ✓ IN STOCK!
    $523.00 Buy Surplus As Low As $314.00
    $314.00
    Repair Yours $254.00
    WALCHEM 191087

    WALCHEM

    191087

    BOILER CONDUCTIVITY SENSOR, 1.0 CONTACTING, 250 PSI, NO CABLE (BOILER), WITH PREAMPLIFIER AND J-BOX, ACTIVE
    ✓ IN STOCK!
    $1,045.00 Buy Surplus As Low As $627.00
    $627.00
    Repair Yours $506.00
    WALCHEM WFM2013G100

    WALCHEM

    WFM2013G100

    DISCONTINUED BY MANUFACTURER, WATER METER, MULTI-JET, REED SWITCH SENSOR, RS OUTPUT, INCLUDES E90495 CONNECTOR FOR EW PUMP, 10 GALLONS PER PULSE, 2 INCH NPT, 150 PSI, CAST BRONZE BODY, 24 VD ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,140.00
    $1,140.00
    Repair Yours $947.00
    WALCHEM WMT8110-2PNBNN

    WALCHEM

    WMT8110-2PNBNN

    DISCONTINUED BY MANUFACTURER, COOLING TOWER CONTROLLER, INPUT: 120/240 V, 50/60 HZ, 12 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $2,220.00
    $2,220.00
    Repair Yours $1,843.00
    WALCHEM WMT8110-2PNANN-C

    WALCHEM

    WMT8110-2PNANN-C

    DISCONTINUED BY MANUFACTURER, COOLING TOWER CONTROLLER, INPUT: 120/240 V, 50/60 HZ, 12 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,344.00
    $1,344.00
    Repair Yours $1,116.00
    WALCHEM MX-400CV6

    WALCHEM

    MX-400CV6

    DISCONTINUED BY MANUFACTURER, MAGNETIC DRIVE CENTRIFUGAL PUMP, MX-400 SERIES, 0.75 HP, 70 GPM, DISCHARGE HEAD: 38 FT., DISCHARGE SIZE: 1-1/2 IN., 3450 RPM, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $525.00
    $525.00
    Repair Yours $436.00
    WALCHEM E90027

    WALCHEM

    E90027

    VALVE, MANUAL AIR VENT, 3/8 PE
    ✓ IN STOCK!
    $47.00 Buy Surplus As Low As $27.00
    $27.00
    WALCHEM E91286-VC

    WALCHEM

    E91286-VC

    ADAPTER SET, 1/4" TUBING, FLEXCON
    ✓ IN STOCK!
    $53.00 Buy Surplus As Low As $35.00
    $35.00
    WALCHEM EZB16D1-PA

    WALCHEM

    EZB16D1-PA

    METERING PUMP, EZB SERIES, 1X FOOT VALVE, 1X INJECTION VALVE AND A CERAMIC WEIGHT, 3/8" POLYETHYLENE TUBING (20 FT.), 1.0 GPH 105 PSI, MANUAL AIR VENT, DIGITAL CONTROLLER, PP LIQUID ENDS, AL ...
    ✓ IN STOCK!
    $591.00 Buy Surplus As Low As $355.00
    $355.00
    WALCHEM EZB11D1FC

    WALCHEM

    EZB11D1FC

    WALCHEM EZB METERING PUMP, 150 PSI, STROKE RATE 1-360 SPM, 115V,0.8A
    ✓ IN STOCK!
    $639.00 Buy Surplus As Low As $384.00
    $384.00
    Repair Yours $318.72
    WALCHEM WBL600HSSNN-NN

    WALCHEM

    WBL600HSSNN-NN

    WALCHEM WBL600 BOILER CONTROLLER, 100-240 VAC, 50/60 HZ, 7.0A
    ✓ IN STOCK!
    $1,357.00 Buy Surplus As Low As $1,032.00
    $1,032.00
    Repair Yours $677.00
    WALCHEM WFCXB-20

    WALCHEM

    WFCXB-20

    WALCHEM IN-LINE MOUNTED SENSOR OPTION, 20 INCH CABLE, 20 PPM, 0 TO 14.7 PSI, SILICONE RUBBER, FLOW CELL, 5 VOLT DC, 30 TO 100 LPH FLOW RATE
    ✓ IN STOCK!
    $2,867.00 Buy Surplus As Low As $2,179.00
    $2,179.00
    WALCHEM WMT8110-1PNNNN

    WALCHEM

    WMT8110-1PNNNN

    DISCONTINUED BY MANUFACTURER, COOLING TOWER CONTROLLER, WEBMASTER SERIES, 12 AMP, 120/240 V, 50/60 HZ, REPLACED BY WCT9B000PANNNNNNPAFNNN
    ✓ IN STOCK!
    Buy Surplus As Low As $2,247.00
    $2,247.00
    Repair Yours $1,866.00
    WALCHEM E90241

    WALCHEM

    E90241

    DISCONTINUED BY MANUFACTURER, FOOT VALAVE, 3/8 IN, OD CONNECTION, FC MATERIAL, FOR LOW PH LIGUID
    ✓ IN STOCK!
    Buy Surplus As Low As $32.50
    $32.50
    WALCHEM E90491

    WALCHEM

    E90491

    DISCONTINUED BY MANUFACTURER, BACK PRESSURE VALVE, 1/2 INCH NPT, PVC
    ✓ IN STOCK!
    Buy Surplus As Low As $222.00
    $222.00
    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 $627.00
    $627.00
    Repair Yours $474.00
    WALCHEM KLCT900PANNNNN-NNNNNN

    WALCHEM

    KLCT900PANNNNN-NNNNNN

    DISCONTINUED BY MANUFACTURER, WATER TREATMENT CONTROLLER, 13 AMP, 100-240 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $912.00
    $912.00
    Repair Yours $598.00
    WALCHEM EHB15Y1-VE

    WALCHEM

    EHB15Y1-VE

    METERING PUMP 115VAC 1PH 20WATT 50/60HZ
    Buy Surplus As Low As $720.00
    $720.00
    Repair Yours $600.00
    WALCHEM EHB30VE-11UPR8

    WALCHEM

    EHB30VE-11UPR8

    METERING PUMP 115VAC 1PH
    Buy Surplus As Low As $630.00
    $630.00
    Repair Yours $540.00
    WALCHEM WPH315-1NN

    WALCHEM

    WPH315-1NN

    CONTROLLER SINGLE PH/ORP PANEL MOUNT
    $770.00 Buy Surplus As Low As $462.00
    $462.00
    Repair Yours $385.00
    WALCHEM EZB10N1-PC

    WALCHEM

    EZB10N1-PC

    MATERING PUMP 0.9AMP 115V 50/60HZ 150PSI 0-360SPM
    $350.00 Buy Surplus As Low As $210.00
    $210.00
    Repair Yours $200.00
    WALCHEM WCT400-142-U

    WALCHEM

    WCT400-142-U

    COOLING TOWER CONTROLLER WCT SERIES 4-20MA 120VAC
    $891.00 Buy Surplus As Low As $535.00
    $535.00
    Repair Yours $446.00
    WALCHEM WM184-5NNNN

    WALCHEM

    WM184-5NNNN

    CONTROLLER WEBMASTRER ONE
    $2,799.00 Buy Surplus As Low As $1,680.00
    $1,680.00
    Repair Yours $1,400.00
    WALCHEM WPH310-1N7-C

    WALCHEM

    WPH310-1N7-C

    PRESSURE CONTROLLER 115/230VAC 50/60HZ
    Buy Surplus As Low As $1,080.00
    $1,080.00
    Repair Yours $900.00
    WALCHEM EHE-36E1-VE

    WALCHEM

    EHE-36E1-VE

    WALCHEM EHE METERING PUMP
    $1,632.00 Buy Surplus As Low As $980.00
    $980.00
    Repair Yours $814.00
    WALCHEM WCT600PSNNN-BN

    WALCHEM

    WCT600PSNNN-BN

    WALCHEM WCT600 COOLING TOWER CONTROLLER
    $1,659.00 Buy Surplus As Low As $996.00
    $996.00
    Repair Yours $827.00
    WALCHEM EZB16D1-PC

    WALCHEM

    EZB16D1-PC

    WALCHEM EZB METERING PUMP
    $488.00 Buy Surplus As Low As $293.00
    $293.00
    Repair Yours $244.00
    WALCHEM WDB400-5N5U

    WALCHEM

    WDB400-5N5U

    DISCONTINUED BY MANUFACTURER,BOILER CONTROLLER,INPUT 100-240VAC, 50/60HZ,8.0AMP
    Buy Surplus As Low As $960.00
    $960.00
    Repair Yours $800.00
    WALCHEM E90049

    WALCHEM

    E90049

    VALVE CARTRIDGE, 0.250, 1X/2X-PE, PUMP REPAIR PART
    $9.47 Buy Surplus As Low As $5.56
    $5.56
    WALCHEM EHE56E1-PE

    WALCHEM

    EHE56E1-PE

    DISCONTINUED BY MANUFACTURER, METERING PUMP, 20 GPH, 1/2 O.D. TUBE CONNECTION STANDARD ACCESSORIES, GFRPP PUMP HEAD, 30 MAX PSI, 115 VAC, 50/60 HZ, PTFE DIAPHRAGM, CE VALVE BALLS, EPDM SEATS ...
    Buy Surplus As Low As $1,920.00
    $1,920.00
    Repair Yours $1,600.00
    WALCHEM 191192

    WALCHEM

    191192

    WALCHEM CONDUCTIVITY, ELECTRODELESS,
    $1,611.00 Buy Surplus As Low As $967.00
    $967.00
    WALCHEM W100-CN-A

    WALCHEM

    W100-CN-A

    WALCHEM PEEK ELECTRODELESS SENSOR
    $1,337.00 Buy Surplus As Low As $803.00
    $803.00
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