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Solar Controls

A solar controller is an electronic device that controls the circulating pump in a solar hot water system to harvest as much heat as possible from the solar panels and protect the system from overheating.

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Steca TRO301 U controller
The Steca TRO301 U controller was specially developed for the North American market based on the Steca TRO301 basic controller. With its special…
SKU: TRO301
Brand: Steca
$182.58 each
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Steca TR A501 T U Controller
The Steca TR A501 T U controller was especially developed as a compact, efficient and universally applicable solar controller and is the ideal…
SKU: TRA501T
Brand: Steca
$212.15 each
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Steca TR A503 TTR U Controller
Along with the TR A501 T U and TR A502 TT U controllers, the TR A503 TTR U is the third product in this series, which have a compact designer housing…
SKU: TRA503TTR
Brand: Steca
$338.25 each
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Steca Suntana Solar Thermal Controller
The Steca Suntana solar thermal controller is another member of our solar thermal controller family. The controller monitors and controls solar…
SKU: SUNTANA
Brand: Steca
$298.24 each
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Steca Temperature Difference Regulator
Our STR 1 includes everything that is needed for a thermal solar system. Apart from the controller for temperature differences an electronically…
SKU: STR1
Brand: Steca
$117.99 each
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Steca Overvoltage Protection Unit
The Steca TA OP1 overvoltage protection unit is a connection socket in a splash-proof IP65 protective case and serves to protect the collector sensor…
SKU: OP1
Brand: Steca
$47.43 each
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Steca Immersion Replacement Sensor
Immersion sensors allow temperature recording in liquid and gaseous media and are designed for installation in existing or on-site immersion sleeves…
SKU: PT1000
Brand: Steca
$31.46 each
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Resol DeltaSol BS Plus - Full Kit w/ 4 Pt1000 Sensors
DeltaSol® BS/2 - Solar controller with store temperature limitation
SKU: 115 456 37
Brand: RESOL
$307.40 each
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DL2 Datalogger
Remote access to the controller and integrated data logging The DL2 Datalogger is the interface between a RESOL controller and the Internet and…
SKU: 180 007 10
Brand: RESOL
$506.92 each
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Resol DeltaSol BX - Full Kit w/ 4 Pt1000 Sensors
The DeltaSol® BX is equipped with 26 pre-programmed basic systems for a broad range of 1- and 2-store systems. Pre-defined functions facilitate…
SKU: 115 450 17
Brand: RESOL
$429.73 each
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Resol DeltaSol MX - Full Kit w/ 6 Pt1000 Sensors
The DeltaSol® MX is the most versatile system controller for complex solar and heating systems in our product range. It is ideal to control a…
SKU: 115 992 17
Brand: RESOL
$964.34 each
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Caleffi Series 257 ISolar Interface Adapter
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 to…
SKU: 257203A
Brand: Caleffi
$259.75 each
In Stock
Requires special handling
Eligible for FREE shipping
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