Thermomix® UFH Control Pack Overview: A unique, patented, modular Control Pack for underfloor heating systems. Designed to be lightweight and compact in order to connect directly onto a standard UFH manifold without the need for extra brackets or support. The Control Pack consists of a mixing valve, an ERP rated 7 metre circulating pump, connection elbow, manifold adaptors and all necessary seals. The Control Pack elbow includes a ½" tapping for the connection of a UFH Overheat Thermostat and/or temperature gauges.