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Free shipping on qualified orders over $599! Excluding HI & AK, and products requiring special shipping arrangements.
Free shipping on qualified orders over $599! Excluding HI & AK, and products requiring special shipping arrangements.

Solar Controls

  • Steca TRO301 U controller

    Steca
    Original price $198.31 - Original price $198.31
    Original price
    $198.31
    $198.31 - $198.31
    Current price $198.31
    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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    Original price $198.31 - Original price $198.31
    Original price
    $198.31
    $198.31 - $198.31
    Current price $198.31
  • Steca TR A501 T U Controller

    Steca
    Original price $212.60 - Original price $212.60
    Original price
    $212.60
    $212.60 - $212.60
    Current price $212.60
    In 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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    Original price $212.60 - Original price $212.60
    Original price
    $212.60
    $212.60 - $212.60
    Current price $212.60
  • Steca TR A503 TTR U Controller

    Steca
    Original price $334.65 - Original price $334.65
    Original price
    $334.65
    $334.65 - $334.65
    Current price $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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    Original price $334.65 - Original price $334.65
    Original price
    $334.65
    $334.65 - $334.65
    Current price $334.65
  • Resol DeltaSol BS Plus - Full Kit w/ 4 Pt1000 Sensors

    RESOL
    Original price $330.45 - Original price $330.45
    Original price
    $330.45
    $330.45 - $330.45
    Current price $330.45
    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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    Original price $330.45 - Original price $330.45
    Original price
    $330.45
    $330.45 - $330.45
    Current price $330.45
  • Resol DeltaSol BX - Full Kit w/ 4 Pt1000 Sensors

    RESOL
    Original price $461.95 - Original price $461.95
    Original price
    $461.95
    $461.95 - $461.95
    Current price $461.95
    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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    Original price $461.95 - Original price $461.95
    Original price
    $461.95
    $461.95 - $461.95
    Current price $461.95
  • Resol DeltaSol MX - Full Kit w/ 6 Pt1000 Sensors

    RESOL
    Original price $1,036.66 - Original price $1,036.66
    Original price
    $1,036.66
    $1,036.66 - $1,036.66
    Current price $1,036.66
    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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    Original price $1,036.66 - Original price $1,036.66
    Original price
    $1,036.66
    $1,036.66 - $1,036.66
    Current price $1,036.66
  • Steca Suntana Solar Thermal Controller

    Steca
    Original price $298.88 - Original price $298.88
    Original price
    $298.88
    $298.88 - $298.88
    Current price $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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    Original price $298.88 - Original price $298.88
    Original price
    $298.88
    $298.88 - $298.88
    Current price $298.88
  • Steca Overvoltage Protection Unit

    Steca
    Original price $43.18 - Original price $43.18
    Original price
    $43.18
    $43.18 - $43.18
    Current price $43.18
    In stock

    SKU OP1

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

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    Original price $43.18 - Original price $43.18
    Original price
    $43.18
    $43.18 - $43.18
    Current price $43.18
  • Steca Temperature Difference Regulator

    Steca
    Original price $125.13 - Original price $125.13
    Original price
    $125.13
    $125.13 - $125.13
    Current price $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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    Original price $125.13 - Original price $125.13
    Original price
    $125.13
    $125.13 - $125.13
    Current price $125.13
  • Steca Immersion Replacement Sensor

    Steca
    Original price $34.09 - Original price $34.09
    Original price
    $34.09
    $34.09 - $34.09
    Current price $34.09
    In stock

    SKU PT1000

    For installation in immersion sleeves

    Original price $34.09 - Original price $34.09
    Original price
    $34.09
    $34.09 - $34.09
    Current price $34.09
  • Helios Solar TDC4 solar thermal control w/ vortex control

    Steca
    Original price $639.06 - Original price $639.06
    Original price
    $639.06
    $639.06 - $639.06
    Current price $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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    Original price $639.06 - Original price $639.06
    Original price
    $639.06
    $639.06 - $639.06
    Current price $639.06
  • Caleffi Series 257 ISolar Interface Adapter

    Caleffi
    Original price $258.28 - Original price $258.28
    Original price
    $258.28
    $258.28 - $258.28
    Current price $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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    Original price $258.28 - Original price $258.28
    Original price
    $258.28
    $258.28 - $258.28
    Current price $258.28
  • DL2 Datalogger

    RESOL
    Original price $544.93 - Original price $544.93
    Original price
    $544.93
    $544.93 - $544.93
    Current price $544.93
    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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    Original price $544.93 - Original price $544.93
    Original price
    $544.93
    $544.93 - $544.93
    Current price $544.93
  • SUNEARTH SOLFLUX SWH CONTROLLER 120VAC

    Sun Earth, Inc
    Original price $443.97 - Original price $443.97
    Original price
    $443.97
    $443.97 - $443.97
    Current price $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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    Original price $443.97 - Original price $443.97
    Original price
    $443.97
    $443.97 - $443.97
    Current price $443.97