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    HVAC / Boiler Control

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    30 Results.
    WATTS 444

    WATTS

    TEKMAR

    444

    MIX EXPANSION MODULE, FLOATING ACTION, MODULATING
    $648.00 Buy Surplus As Low As $389.00
    $389.00
    Repair Yours $323.00
    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!
    $820.00 Buy Surplus As Low As $493.00
    $493.00
    Repair Yours $397.00
    WATTS 294

    WATTS

    TEKMAR

    294

    BOILER CONTROL
    $1,778.00 Buy Surplus As Low As $1,067.00
    $1,067.00
    Repair Yours $886.00
    WATTS 284

    WATTS

    TEKMAR

    284

    BOILER CONTROL, BAS, FOUR BOILER, 115VAC VOLTAGE, 60HZ FREQUENCY, 18VA CURRENT
    ✓ IN STOCK!
    $2,933.31 Buy Surplus As Low As $1,759.98
    $1,759.98
    Repair Yours $1,833.00
    WATTS 441

    WATTS

    TEKMAR

    441

    MIXING EXPANSION MODULE ACTUATING MOTOR
    $901.00 Buy Surplus As Low As $541.00
    $541.00
    WATTS 260

    WATTS

    TEKMAR

    260

    1STG BOILER CONTROL & DWH CONTROL 120V
    $733.00 Buy Surplus As Low As $440.00
    $440.00
    Repair Yours $366.00
    WATTS 265

    WATTS

    TEKMAR

    265

    3 MODULATING BOILER &DHW/SETPTCTR
    $2,191.00 Buy Surplus As Low As $1,315.00
    $1,315.00
    Repair Yours $1,092.00
    WATTS 270

    WATTS

    TEKMAR

    270

    OUTDOOR BOILER RESET
    $644.00 Buy Surplus As Low As $387.00
    $387.00
    Repair Yours $321.00
    WATTS 324

    WATTS

    TEKMAR

    324

    TN2 ZONE EXPANSION MODULE 4 ZONES
    $572.00 Buy Surplus As Low As $344.00
    $344.00
    Repair Yours $286.00
    WATTS 400

    WATTS

    TEKMAR

    400

    TN2 HOUSE CONTROL BOILER DHW & SET
    $1,032.00 Buy Surplus As Low As $620.00
    $620.00
    Repair Yours $515.00
    WATTS 401

    WATTS

    TEKMAR

    401

    TN2 HOUSE CONTROL BOILER DHW & SET
    $1,053.00 Buy Surplus As Low As $632.00
    $632.00
    Repair Yours $525.00
    WATTS 402

    WATTS

    TEKMAR

    402

    TN2 HOUSE CONTROL- BOILER
    $1,217.00 Buy Surplus As Low As $731.00
    $731.00
    Repair Yours $607.00
    WATTS 10349

    WATTS

    TEKMAR

    10349

    360E MIXING CONTROLLER
    $753.66 Buy Surplus As Low As $452.73
    $452.73
    Repair Yours $376.16
    WATTS 20344

    WATTS

    TEKMAR

    20344

    H17XL TIME CLOCK – 7 DAY
    $142.40 Buy Surplus As Low As $85.98
    $85.98
    WATTS 289

    WATTS

    TEKMAR

    289

    SMART STEAM CONTROL
    $3,450.00 Buy Surplus As Low As $2,070.00
    $2,070.00
    Repair Yours $1,719.00
    WATTS 420

    WATTS

    TEKMAR

    420

    BOILER RESET MODULE
    $760.00 Buy Surplus As Low As $456.00
    $456.00
    Repair Yours $379.00
    WATTS 422

    WATTS

    TEKMAR

    422

    NET 4 UNIVERSAL RESET MODULE
    $1,345.00 Buy Surplus As Low As $807.00
    $807.00
    Repair Yours $670.00
    WATTS 423

    WATTS

    TEKMAR

    423

    UNIVERSAL RESET MODULE
    $1,384.00 Buy Surplus As Low As $831.00
    $831.00
    Repair Yours $690.00
    WATTS 440

    WATTS

    TEKMAR

    440

    MIXING EXPANSION MODULE VARSPEED
    $519.00 Buy Surplus As Low As $312.00
    $312.00
    Repair Yours $259.00
    WATTS 263

    WATTS

    TEKMAR

    263

    120V 2STAGE MOD. BOILER CNTRL
    $1,272.00 Buy Surplus As Low As $764.00
    $764.00
    Repair Yours $635.00
    WATTS 268

    WATTS

    TEKMAR

    268

    9 STG BOILER CTRL/W/SENSORS
    $2,189.00 Buy Surplus As Low As $1,314.00
    $1,314.00
    Repair Yours $1,091.00
    WATTS 275

    WATTS

    TEKMAR

    275

    BOILER CONTROL
    $1,839.00 Buy Surplus As Low As $1,104.00
    $1,104.00
    Repair Yours $917.00
    WATTS 325

    WATTS

    TEKMAR

    325

    EXPANSION MODULE
    $542.00 Buy Surplus As Low As $326.00
    $326.00
    Repair Yours $271.00
    WATTS 345

    WATTS

    TEKMAR

    345

    POWERMANAGER ONEAUXPUMP
    $436.00 Buy Surplus As Low As $262.00
    $262.00
    Repair Yours $218.00
    WATTS 32203

    WATTS

    TEKMAR

    32203

    264E BOILER CONTROLLER
    $1,254.76 Buy Surplus As Low As $753.66
    $753.66
    Repair Yours $626.04
    WATTS 32546

    WATTS

    TEKMAR

    32546

    480E TN4 USER SWITCH
    $292.87 Buy Surplus As Low As $175.99
    $175.99
    Repair Yours $200.00
    WATTS 92073

    WATTS

    TEKMAR

    92073

    IMMERSION THERMOSTAT
    $85.98 Buy Surplus As Low As $52.39
    $52.39
    WATTS 34816

    WATTS

    TEKMAR

    34816

    200 KW SAFETY GROUP
    $202.86 Buy Surplus As Low As $122.25
    $122.25
    Repair Yours $200.00
    WATTS 34336

    WATTS

    TEKMAR

    34336

    KANMOR - M2 ENERGY - RSG8-25
    $697.24 Buy Surplus As Low As $419.15
    $419.15
    Repair Yours $347.95
    WATTS 294EXP

    WATTS

    TEKMAR

    294EXP

    BOILER CONTROL EXPANSION
    $1,232.00 Buy Surplus As Low As $740.00
    $740.00
    Repair Yours $615.00
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