This Polypipe product is a Zonal Regulation Unit ZRU 2/3 Circuit PB970028. The Polypipe Single circuit ZRU Complete unit with mixing valve and pump. It allows UFH to be added to an existing system.

The Polypipe Zonal Regulation Unit (ZRU) allows single rooms and extensions up to 30m2 to be connected to an existing heating system, without time consuming and expensive hydraulic and electrical alterations. When connected to an existing radiator heating system, the zonal regulation unit converts the water flow and temperature to that suitable for the underfloor heating system.

Main product features:

• Sensors within the ZRU ensure operation only occurs when eat is available from the existing heating system
• Boosts flow, ensuring that the underfloor system is not reliant on existing pump pressure
• Pipework connections to the ZRU uses 15mm pipe and should not be connected to the system from the pipe smaller than 15mm
• Zonal Regulation Unit
• Can be used in both domestic and commercial buildings