The Warmup S3 underfloor heating mixing unit delivers precise water temperature control and hydraulic separation for Warmup water underfloor heating systems. Compatible with all heat sources, including traditional boilers, heat pumps, biomass boilers, and solar thermal systems, it regulates flow temperatures from 20 to 65°C. Built from nickel-plated brass with a Grundfos UPM3 circulator, the unit ensures reliable, reduced noise operation while adjustable primary and secondary circuit bypasses simplify commissioning. Designed for durability and efficiency, it provides consistent performance for underfloor heating projects. 1" BSP Female Thread Connections 10 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) 3-Way Mixing Control, Works with All Heat Sources Durable Nickel-Plated Brass Construction, Corrosion-Resistant 70kPa Grundfos UPM3 Circulator for Consistent Flow Rates Anti-Tamper Thermostatic Control Inline Pump Isolation Valve 1" BSP Female Thread Connections 10...