German quality manufacturer of solar and heating controllers since 1991
TDC
Temperature Difference Controller TDC for Solar Systems
HCC
Heating Circuit Controllers HCC
FWC
Fresh Water Controllers FWC
XTDC
XTDC Temperature Difference Controller
Highlights
New STDC with speed control and 0..10V/PWM-output
The new STDC can optionally be equipped with speed control for standard pumps and/or outputs for 0..10V/PWM for high efficiency pumps. Available now. Learn more...
Catalogue 2012 available
The brand new generation of easy to use solar controllers is about to be launched. Key information about S, M, L and XTDC as well as the entire portfolio can be found in our catalogue 2012 in the download section as of now. Download here
New system controller XHCC presented at ISH
Optimally integrating solar and solid fuel heating is what the intelligent large system controller XHCC has been developed for. Presentation took place in March 2011 at the ISH in Frankfurt. Learn more...
XTDC - Complex systems flexibly operated
The new XTDC controls large solar systems with up to 4 storages. Highlight: The 39 basic hydraulic schemes can be extended easily and flexibly by activating several pre-defined additional functions. Learn more...
Fresh water series FWC with our proved operator guidance
Like every SOREL controller, the fresh water controllers FWC 3-5 are based on our renowned operator guidance. No question marks for the user, quiet telephones in your office. Learn more...