Reliance Manifold and Thermoguard Valves Pack with Grundfos Pump – A Rated Pump What’s included in our pump and manifold packs? Grundfos Pump & Reliance Thermoguard Underfloor Heating Valve Set Thermoguard® UFH Control Pack Overview: A compact prefabricated pack designed to thermostatically control the temperature of water within an underfloor heating system. The kit includes the thermostatic mixing valve, an ERP rated 7 metre circulating pump, and a flow manifold connection tee piece which includes a ½” FBSP tapping that can be used for reading temperatures and pressures or as a connection point for the UFH Overheat