Stainless Steel 5-way Manifold with Thermostatic Valves, Flow Meters, Automatic Air Vents, Drain Valves, 3/4" Nipples — FERRO SN-RZPU05S

FERRO Stainless Steel 5-way Manifold SN-RZPU05S is a compact distribution unit designed to manage and balance fluid flow across five separate heating or cooling circuits. Constructed from stainless steel, the manifold integrates thermostatic valves on the supply side, individual transparent flow meters on the return side, automatic air vents and drain valves, and 3/4" connection nipples for straightforward installation. It is intended for systems where precise flow control, air removal and convenient maintenance of each loop are required, such as underfloor heating, low-temperature radiator circuits and small hydronic zones.

Advantages

The stainless steel body offers corrosion resistance and mechanical durability suitable for potable and heating systems. Integrated thermostatic valves allow temperature-driven regulation and shut-off at the source, while individual flow meters make it simple to read and adjust flow for each circuit to achieve hydraulic balance. Automatic air vents remove trapped air that can impair circulation, and drain valves enable safe and controlled draining during service. Standard 3/4" nipples provide compatibility with common piping fittings and simplify installation.

Suitable for

• Underfloor heating systems with up to five loops
• Small multi-zone radiator or convector installations
• Hydronic cooling circuits in residential or light commercial applications
• Retrofit and new-build projects where individual loop balancing is required

Key specifications

• Material: stainless steel manifold body
• Number of circuits: five-way distribution
• Valves: thermostatic control valves on supply side
• Flow indicators: individual transparent flow meters on return side
• Air management: automatic air vents included
• Drainage: drain valves for each circuit
• Connections: standard 3/4" nipples for inlet/outlet piping

How to use

Install the manifold in a cabinet or accessible manifold box at a location central to the served zones, securing it according to local plumbing codes and the installer’s best practice. Connect supply and return lines to the corresponding headers using the 3/4" nipples and ensure all joints are leak-free. Commission each circuit by opening the thermostatic valves and adjusting the return-side flow meters to the required flow rate for hydraulic balancing. Bleed the system through the automatic air vents during initial filling and after maintenance. Use the drain valves to safely remove fluid from individual loops when servicing or replacing components.

Usage recommendations

To maintain accurate balancing and prolong component life, flush and filter the hydronic system before connecting the manifold, avoid exposure to aggressive chemicals, and perform periodic checks of flow meters, air vents and valves. For installations with potable water or glycol mixtures, confirm compatibility with stainless steel and valve materials and follow local regulations for water treatment and system commissioning.