Solar Control Module Type SM1

You Save £184.33
£510.47 inc VAT
2 In Stock

Solar Control Module.

Solar Control Module, Type SM1.

Function extension inside enclosure for wall mounting.
Electronic temperature differential control for dual mode DHW heating and central heating backup using solar collectors.


  • With output statement and diagnostic system
  • Operation and display via the Vitotronic control unit
  • Heating of two consumers via a collector array
  • Second temperature differential control unit
  • Thermostat function for reheating or utilising excess heat
  • Speed control for solar circuit pump with PWM input (Grundfos and Wilo)
  • Suppression of DHW cylinder reheating by the heat generator subject to solar yield
  • Heat-up of the solar preheating stage (with DHW cylinders from 400 litre capacity)
  • Complete with documents


Order immersion temperature sensor, part no. 7438702, if the following functions are required:

  • For DHW circulation diversion in systems with 2 DHW cylinders.
  • For return changeover between the boiler and the heating water buffer cylinder.
  • For heating additional consumers.

Not for use with PlusBus propriety software.

Description RRP Price Availability Quantity
7438702 Cylinder Temperature Sensor RRP: £49.20 Price: £33.47 inc VAT Availability: In Stock Quantity:

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