Polypipe Zonal Regulation Unit 2/3 Circuit ZRU Complete with Manifold combi boiler concealed cabling for clean &

concealed cabling for clean & professional installation

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1400 W total per optimizer

This depends entirely on the heat loss of the property — the size

sodium addition or maintenance of traditional salt softeners

Polypipe Zonal Regulation Unit 2/3 Circuit ZRU Complete with Manifold combi boiler concealed cabling for clean &Underfloor Heating Single Room Extension Up to 30 m 2 or 3 Circuits Built in Pump & Mixing Valve Domestic & Commercial Polypipe UFH The Polypipe Zonal Regulation Unit (ZRU) is a complete, self contained underfloor heating control unit that allows a single room or extension of up to 30 m to be connected to an existing wet central heating system with no costly hydraulic alterations, no new wiring centres, and no changes to the existing boiler or