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Excluding HI, AK & Canada, and products marked Special Handling, Free Shipping on qualified orders over $599! *Some Items Excluded*
Excluding HI, AK & Canada, and products marked Special Handling, Free Shipping on qualified orders over $599! *Some Items Excluded*
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Solar Controls

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  • SUN EARTH SOLFLUX SWH CONTROLLER 120VAC

    Sun Earth, Inc
    $443.97 - $443.97
    $443.97
    $443.97 - $443.97
    $443.97
    In stock

    SKU SESF-3221.1

    Product Features: • Compact Multipart designer casing. • Remote Two-way System Status Communication with Web or Mobile Application. • Insulation ve...

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    $443.97 - $443.97
    $443.97
    $443.97 - $443.97
    $443.97

  • Steca temperature difference regulator with antistagnate function

    Sun Earth, Inc
    $233.05 - $233.05
    $233.05
    $233.05 - $233.05
    $233.05
    In stock

    SKU TRO301

    Product features Compact, multipart designer casing Maximum storage tank temperature High level of operational safety through fault diagnosis Temp...

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    $233.05 - $233.05
    $233.05
    $233.05 - $233.05
    $233.05

  • Resol DeltaSol BS Plus - Full Kit w/ 4 Pt1000 Sensors

    Solarnetix, Inc
    $355.24 - $355.24
    $355.24
    $355.24 - $355.24
    $355.24
    In stock

    SKU 115 456 37

    The RESOL controllers for standard solar thermal systems. The DeltaSol® BS series provides a clear operating concept. The intuitive commissioning m...

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    $355.24 - $355.24
    $355.24
    $355.24 - $355.24
    $355.24

  • Resol DeltaSol BX - Full Kit w/ 4 Pt1000 Sensors

    Solarnetix, Inc
    $496.60 - $496.60
    $496.60
    $496.60 - $496.60
    $496.60
    In stock

    SKU 115 450 17

    4 relay outputs and 5 Pt1000 temperature sensor inputs 2 inputs for analogue Grundfos Direct SensorsTM (DeltaSol® BX) 2 PWM outputs for the speed ...

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    $496.60 - $496.60
    $496.60
    $496.60 - $496.60
    $496.60

  • Resol DeltaSol MX - Full Kit w/ 6 Pt1000 Sensors

    Solarnetix, Inc
    $1,114.41 - $1,114.41
    $1,114.41
    $1,114.41 - $1,114.41
    $1,114.41
    In stock

    SKU 115 992 17

    14 relay outputs and 12 inputs for Pt1000, Pt500 or KTY temperature sensors Up to 5 extension modules via RESOL VBus® (45 sensors and 39 relays in...

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    $1,114.41 - $1,114.41
    $1,114.41
    $1,114.41 - $1,114.41
    $1,114.41

  • STECA SENSOR REPLACEMENT -50 TO 180 DEG C/DIA 6MM

    Sun Earth, Inc
    $35.80 - $35.80
    $35.80
    $35.80 - $35.80
    $35.80
    In stock

    SKU PT1000

    For installation in immersion sleeves

    $35.80 - $35.80
    $35.80
    $35.80 - $35.80
    $35.80

  • Resol Datalogger DL2

    Solarnetix, Inc
    $578.83 - $578.83
    $578.83
    $578.83 - $578.83
    $578.83
    In stock

    SKU 180 007 10

    Remote access to the system via the VBus.net visualisation portal Comfortable system parameterisation via the RESOL RPT Parameterisation Tool Inte...

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    $578.83 - $578.83
    $578.83
    $578.83 - $578.83
    $578.83

  • CALEFFI ISOLAR RS232 INTERFACE

    Caleffi
    $258.28 - $258.28
    $258.28
    $258.28 - $258.28
    $258.28
    In stock

    SKU 257203A

    The interface adapter RS-COM enables the connection of a PC to iSolar Plus controller with V Bus. Service Center Software allows the measured data ...

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    $258.28 - $258.28
    $258.28
    $258.28 - $258.28
    $258.28
  • Sold out

    Steca Advanced Controller: 5 inputs, 1T output W/ 3 sensors

    Sun Earth, Inc
    $212.60 - $212.60
    $212.60
    $212.60 - $212.60
    $212.60
    Out of stock

    SKU TRA501T

    Product features• Compact, multipart designer casing• Installation versions: Solar pump stations, wall installation, mounting rails• Wave packet (T...

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    $212.60 - $212.60
    $212.60
    $212.60 - $212.60
    $212.60
    Sold out

  • Steca Advanced Controller: 5 Inputs, 3T output w/ 3 sensors

    Sun Earth, Inc
    $334.65 - $334.65
    $334.65
    $334.65 - $334.65
    $334.65
    In stock

    SKU TRA503TTR

    Product features• Compact, multipart designer casing• Installation versions: Solar pump stations, wall installation, mounting rails• Wave packet (T...

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    $334.65 - $334.65
    $334.65
    $334.65 - $334.65
    $334.65

  • STECA TEMP. DIFFERENCE REGULATOR 115V 2.5A OUTPUT

    Sun Earth, Inc
    $125.13 - $125.13
    $125.13
    $125.13 - $125.13
    $125.13
    In stock

    SKU STR1

    Main functions: Temperature difference control and storing temperature limitation by two-point control. Adjustable hysteresis, temperature differe...

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    $125.13 - $125.13
    $125.13
    $125.13 - $125.13
    $125.13

  • STECA OVERVOLTAGE PROTECTN SURGE PROTECTION

    Sun Earth, Inc
    $45.45 - $45.45
    $45.45
    $45.45 - $45.45
    $45.45
    In stock

    SKU OP1

    Product features: Spring clamp terminals allow rapid and easy installation IP 65 jet waterproof casing Electronic protection functions Varistors p...

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    $45.45 - $45.45
    $45.45
    $45.45 - $45.45
    $45.45

  • STECA 6INPUTS/2OUTPUTS TEMP DIFF REGULATOR 115V 60HZ

    Sun Earth, Inc
    $298.88 - $298.88
    $298.88
    $298.88 - $298.88
    $298.88
    In stock

    SKU SUNTANA

    Product features Electronic speed control Maximum storage tank temperature Adjustable switch-on temperature difference Adjustable switch-off tempe...

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    $298.88 - $298.88
    $298.88
    $298.88 - $298.88
    $298.88

  • Helios Solar TDC4 solar thermal control w/ vortex control 3 inputs, 1 std relay & 1 var. sp. relay

    TanklessWaterHeaters
    $639.06 - $639.06
    $639.06
    $639.06 - $639.06
    $639.06
    In stock

    SKU 10414

    Product Info Approved to CSA / UL Standards VFS Flow based heat metering 4 x Temperature sensor inputs 1 x VFS sensor input 1 x Triac Varia...

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    $639.06 - $639.06
    $639.06
    $639.06 - $639.06
    $639.06