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SKU 7574319

Viessmann Cylinder demand box (System boiler)

Original price £235.20 ex. VAT
Original price £196.00 ex. VAT - Original price £196.00 ex. VAT
Original price £196.00 ex. VAT
£119.00 inc. VAT
Current price £99.17 ex. VAT
£99.17 ex. VAT - £99.17 ex. VAT
Current price £99.17 ex. VAT
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Cylinder Demand Terminal Box

For use when four pipe configuration is used with a third party cylinder.

This transfers 230v AC signal from conventional cylinder thermostat controls (S or Y plan) and converts the 230V to a low voltage signal as required by the Vitodens range of system domestic boilers

For the new PlusBus Vitodens 200-W just snip the boiler connection plug off and hard wire into 3 & 4 on the cylinder sensor connection block.

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