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This Hot Water Priorty Relay is designed for systems with up to four zones and it gives hot water priority over the central heating system.

Idealled suited for heating systems with two central heating zones for example, one upstairs and one downstairs
This up to four zone hot water priority relay e bles the hot water demand to be prioritised over two central heating zones instead of one
A Hot Water Priority Relay for one or two zones is also available from Grant UK - please refer to HPWPR1

Waist Sizeab32cf19fxTypePriority RelaySupplier Part NumberHPWPR2Brand NameGrant

Grant Water Priority Relay (up to 4 Zones) HPWPR2

£81.96