The Giacomini R557FY008 is a professional pre-assembled manifold for underfloor heating systems, ideal for mixed applications where high-temperature heat sources (such as heaters and towel warmers) are used together with low-temperature underfloor heating circuits. This manifold offers precise temperature control and efficient hydraulic balancing in heating installations.

• Number of outlets: 8 circuits
• Connections: 1” x base 18
• Distance between circuits: 50 mm
• Maximum working pressure: 10 bar
• Fluid temperature: 5°C – 110°C
• Recommended supply temperature: 75°C – 80°C
• Operating temperature in the flow for underfloor heating: 40°C – 45°C (setting 2.5 – 3 on the thermostatic head)
• Included thermostatic head: R462L adjustable between 20°C – 70°C
• Dimensions (W x H x D): 677 mm x 433/473 mm x 117 mm

Package contents:

• Flow manifold R553M with balancing valves and flow meters 0.5–5 l/min
• Return manifold R553V with manual shut-off valves, ready for electrothermal actuators
• Adjustable metal brackets R588L
• Flow connection R557B with sensor sockets
• Mixing connection R557D on the return
• Shut-off valves R252 for pump
• Thermostatic head R462L, adjustable and lockable
• Intermediate connection R554D with drain valve, thermometer, and automatic air vent
• Connection R554A with valve, air vent, and differential valve R147N
• Spacers

The Giacomini R557FY008 is made in Italy by Giacomini, a well-known brand in the field of thermal installation equipment, ensuring reliability and durability in use.

• Product type: Manifold
• Product type: Distributor
• Width: 473 mm
• Length: 677 mm
• Weight: 9.63 Kg
• Thickness: 117 mm
• Maximum pressure: 10 bar
• Maximum temperature: 110°C
• Compatible surfaces: Tiles, Laminated flooring, Marble, Engineered wood systems, Granite
• Thermal power (W/m): 70
• Pipe diameter: 1 inch
• Usage area: Indoor spaces