新西兰采购需求：歧管、混合系统、排气阀、球阀、面板式电动执行器、减压阀

We're looking for a prefabricated hydronic underfloor heating cabinet that meets specific requirements. The cabinet should feature a 10-port manifold, flow meters, balancing valves, and be actuator-ready. It must also include a mixing valve, secondary circulation pump, air vent, and drain/fill valves. The unit needs to be suitable for slab heating and compatible with future underfloor retrofits, and it will integrate with an 18kW R290 monoblock heat pump alongside two 750L storage tanks. For our evaluation, please provide the cabinet dimensions, hydraulic diagram, and an itemized list of components. Additionally, we'd like to know the brand and specifications of the pump included. Pricing for one complete system along with photos of finished cabinets would also be appreciated. We're aiming for a clean, factory-assembled solution that meets our specifications.