Viessmann Cylinder Demand Terminal Box - 7574319
Item Code: 7574319£100.72 inc. VAT
£83.93 exc. VAT
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Total Price:£100.72 (inc. VAT)
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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.
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