Vitosolic 200 SD4

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£723.82 inc VAT

Vitosolic 200 SD4.

Electronic temperature differential control for dual mode DHW heating or dual mode DHW and swimming pool heating or central heating backup using solar collectors, oil/gas boilers and solid fuel boilers.


  • For systems with up to 4 consumers.
  • For wall mounting.
  • With collector temperature sensor and 2 temperature sensors.
  • With digital temperature display, output statement and diagnostic system.
  • Solar circuit pump speed control via pulse pack control or solar circuit pumps with PWM input (Grundfos, Wilo).
  • With option to connect a heat meter and/or solar cell.
  • The operating values of the solar thermal system can be recorded using the SD memory card (memory capacity up to 32 GB, FAT file system).

    In heating systems with KM-BUS:

    • Suppression of DHW cylinder reheating by the boiler.
    • Heat-up of the solar preheating stage (for DHW cylinders with 400 litre capacity or more).

    In heating systems without KM-BUS:

    • Suppression of DHW cylinder reheating by the boiler.

    Standard delivery:

    • Vitosolic 200
    • Collector temperature sensor
    • 2 temperature sensors
    • Installation Documentation
  • Description RRP Price Availability Quantity
    Vitosolic 100 SD1 Vitosolic 100 SD1 RRP: £519.60 Price: £381.74 inc VAT Availability: 4 In Stock Quantity:

    Vitosolic 200 SD4 Buying into Viessmann.

    Viessmann use their best endeavours to ensure that their products are manufactured without any manufacturing or material defects.
    The standard terms and conditions guarantee that Viessmann will fix or replace any manufacturing or material defects free of charge within a period of 2 years from the date of delivery.

    Viessmann Warranty Overview

    Vitosolic 200 SD4Return of Goods.

    We very much hope you will be happy with your products, however we do understand items sometimes need to be returned.
    Condition is all important, an item should have been treated in the same way as if it was on sale in a shop, unopened and unused with seals intact.
    Large palleted items (boilers, heat pumps, cylinders etc.) must be returned as delivered, strapped and wrapped to the pallet, unopened.


    Our returns policy can be found here.

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