manifold Termojet with valves for 3 outlets, stainless steel

The Termojet TJ-R-W manifold with 3 outlets is a distribution unit for underfloor heating systems equipped with ball shut-off valves on each circuit. Made from stainless steel AISI 304, wall thickness 1.6 mm. Main line connection — G 1", circuits — G 3/4" Eurocone. Length — 230 mm. A solution for small underfloor heating systems with 3 zones where the primary requirement is the ability to isolate each circuit rather than precise flow balancing.

Technical Specifications

Operating Principle

The TJ-R-W manifold distributes the heat-transfer fluid across three underfloor heating circuits. Each outlet features a ball shut-off valve: by turning the handle, an individual circuit can be fully opened or closed. This allows a zone to be switched off, flushed, or repaired without stopping the entire system. Unlike the flowmeter version, precise flow metering is not provided — valves are either open or closed. The return manifold has M30×1.5 sockets for standard thermal actuators for zone control.

Applications

• Small, balanced systems. Three circuits of approximately equal length — for example, three adjacent rooms with similar layouts. When loops are equal, balancing is non-critical and the valve manifold handles the job completely.
• Budget projects. Savings on the manifold without compromising material quality: stainless steel AISI 304, the same G 1" and G 3/4" Eurocone connections as the flowmeter version.
• Phased expansion. Install the valve manifold now — later you can upgrade the system or add M30×1.5 thermal actuators for zone control.
• Country houses and seasonal properties. Where the underfloor heating system runs in one mode most of the time and circuit isolation is the primary required function.

Advantages

• Stainless steel AISI 304 — identical material to the premium flowmeter series. No compromise on material, only on the balancing function.
• Shut-off valve on each circuit — individual zone isolation without draining the system.
• G 3/4" Eurocone — standard connection for PE-RT 16×2 pipe via Eurocone, no adapters required.
M30×1.5 sockets — thermal actuators can be installed without modifying the manifold.
• Lower price than the flowmeter version — an economical solution for systems where precise balancing is not required.

Valve Manifold or Flowmeter Manifold — How to Choose

If circuits are of different lengths or rooms have different heat loads — choose the 3-outlet manifold with flowmeters: flowmeters allow precise system balancing and uniform heating of each room. Choose the valve manifold when circuits are approximately equal or the budget is limited.

Underfloor Heating and Heat Pump

The TJ-R-W-03 stainless steel manifold is suitable for use with a heat pump: it withstands glycol heat-transfer fluids and prolonged low-temperature operation at 35–45°C. For maximum pump efficiency, complement the system with a mixing unit and thermal actuators for zone control. Learn more about Termojet heat pumps.

Frequently Asked Questions

Can flowmeters be added to this manifold later?
No — the construction of valve manifolds and flowmeter manifolds differs. If balancing will be needed in the future, we recommend choosing the flowmeter manifold from the outset. The price difference is less than the cost of replacement later.

Which cabinet is suitable for a 3-outlet manifold?
Manifold cabinet No. 00 for 2–4 outlets. Full range — in the Termojet underfloor heating system catalogue.