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| 3-Ways Brass Water Separators Manifold This three-way brass water manifold takes water from the main supply pipe and distributes it evenly across three independent piping runs. Each outlet is fitted with a separate regulating valve fitted with a red handle, letting you adjust the water volume of each individual loop without disrupting flow in the other two. It fits perfectly for small-scale underfloor heating installations, water supply pipework on balconies, and fluid distribution systems built for laboratory use.
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| Heating System Brass Manifold This heating brass manifold comes with several separate branch outlets. Every outlet has its own flow control valve, letting you adjust the hot water supply separately for different rooms or heating zones. You just twist the white knobs on top to tweak each pipe’s water flow accurately. It hooks straight up to underfloor heating tubes or radiator piping, and it’s a key part used in today’s floor heating setups.
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| Brass Manifold End Valve This premium brass end valve functions as a dedicated terminal connector engineered for seamless compatibility with standard underfloor heating manifold assemblies, integrating three distinct practical operational functionalities within one unified compact component structure. It mounts onto manifold terminals, acts as a ball valve to regulate water flow rates, and features a drain port for complete heating system flushing. The drain knob fitted at the bottom can be secured in a locked position. Heating contractors and installation crews regularly rely on this component to clear sediment and stale standing water trapped within heating pipework. Carrying out this basic upkeep task on a regular basis improves heat distribution for underfloor heating and extends the overall service life of the entire heating circuit.
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| Stainless Steel Manifold Pipe Fitting This manifold fitting is built with thick, solid 304 stainless steel and made as one whole piece, with evenly spaced side outlets. It’s mainly used to split water from the main pipe equally into five separate branch lines. Every outlet comes with regular female threads, so plumbers can hook up valves, pipes, and testing equipment straight away without buying extra adapter pieces. Builders and plumbing specialists often choose this part for household water supply systems, underfloor heating piping setups, and all other projects that need steady, even liquid distribution.
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| Boiler Manifold This specialized brass end valve operates as a dedicated terminal connection component engineered for seamless compatibility with underfloor heating manifold assemblies, integrating three distinct functional capabilities within a unified integrated structural unit. The drain fitting fixed at the bottom lets users flush silt and standing water from the full heating pipeline regularly. The top air vent releases trapped air inside pipes to avoid air blockages that cut heating performance. This part is vital to keep a steady hot water flow. It also keeps the daily operation and maintenance of the whole heating system reliable and secure.
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| Pressure Vacuum Breaker This pressure vacuum breaker assembly is equipped with an integrated vacuum sensing valve cartridge that operates as a standalone functional component, eliminating the necessity for any supplementary external auxiliary fittings to facilitate its normal operational performance. When the water pressure in pipes shifts or negative vacuum pressure builds up, this internal core moves mechanically on its own to form a tight, reliable seal, stopping wastewater from flowing backward through the pipeline. It fits most city household water pipelines and central heating setups perfectly. These two common installations all need steady backflow protection to avoid dangerous cross-contamination and unwanted reverse water flow issues.
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Flow Meter Valve
Flow Meter Valve
This flow meter valve comes with a rotor flowmeter built into the clear sight window on top, letting users directly check live flow readings at a glance. It works perfectly for setups that need steady fluid flow, such as heating circuits, domestic water supply lines, and different industrial fluid circulation systems. A red adjustment knob sits on the valve to manually tweak how wide the internal valve core opens, which allows smooth, accurate flow regulation to match the flow demands of all kinds of operating environments.
- Model No.: JX-10092
- Size: 1/2″, 3/4″
- Material: CW617N
- T/C connection head: M30x1.5
- Range: 5-0.5 L/min
- Max working pressure: 10bar
- Max working temperature: 120°C
- Spring material: A304
- Safety helmet: PE
- Seal material: PTFE
- Medium: Water
- Application: Heating system
- Standard: CE
- With a 2-year warranty
- Free sample
- OEM, ODM available
1. What is the certified accuracy of the flow meter valve?
Every Plumberstar flow meter valve gets tested separately and comes with an official factory certificate. Its certified flow error is controlled within ±1%, and this accurate reading stays stable across the full flow range of 0.5–5 L/min, under the max working pressure of 10 bar and max temperature of 120°C for heating system water. All our valves pass CE certification.
We make sure of high accuracy starting from the design stage. Our engineers with more than ten years of experience do repeated calculations and tests. They finely match the CW617N brass cone core, A304 spring, and floating indicator, so every valve can keep steady and consistent measuring performance during use.
Every manufactured valve undergoes comprehensive flow verification utilizing a specialized digital test apparatus, wherein fluid media is circulated across multiple flow gradients while optical imaging equipment captures the positional displacement of the buoyant indicator component. The machine compares real flow data instantly. Any valve with an error over ±1% will be eliminated. We also store complete traceable test records for every single valve.
2. What material is the flow meter valve’s indicator float made of?
Our flow meter float has two different materials stuck together. The outside shell is hard POM plastic, and there is a solid 304 stainless steel weight molded inside it. This float works well with hot water in heating systems, even when the pressure hits 10 bar, and the temperature reaches 120°C.
The POM plastic outer part is tough against water. It will not turn soft or change shape after staying in hot water for years. Its internal surface maintains consistent smoothness and cleanliness, effectively minimizing the adhesion of impurities under operational flow rates ranging from 0.5 L/min to 5 L/min during continuous water circulation.
The hidden 304 steel weight balances the float’s weight. It lets the float move up and down freely as the water speed changes. It never slides out of place inside the plastic, so you can always read the correct flow number without stuck float issues.
From Wunda Underfloor Heating
3. Can the scale of the flow meter valve provide both GPM and LPM units?
Yes, every Plumberstar flow meter valve scale prints both GPM and LPM units on one single panel. Our valve flow range covers 0.5–5 L/min, and the matching GPM values are fully labeled next to the LPM marks for easy reading.
The scale features two independent unit scales that are neatly separated. Every LPM reading perfectly aligns with its corresponding GPM reading. The scale has no messy overlapping lines at all, letting users from all countries quickly check the flow unit they are used to.
All scale marks follow standard unit conversion rules when we calibrate each valve. Every small tick on the scale has the same spacing. The numbers stay aligned perfectly across the full 0.5 to 5 L/min working range of the meter.
4. How is each flow meter valve calibrated in the factory?
We test each valve individually with flowing water in line with ISO 4064 rules. Tests cover our full flow range of 0.5 to 5 L/min, under regular operating pressure up to 10 bar. Every valve goes through this complete calibration before packaging, without exception.
We use an automatic water test bench with a standard electromagnetic flow meter as the reference tool. We test three key flow levels: minimum flow 0.5 L/min, medium daily flow, and maximum flow 5 L/min. Steady water flows through the tested valve at each level for data collection.
Our testing machine logs two kinds of data together: the true flow reading from standard test gear, and the number displayed on our flow valve. If the gap between these two numbers is bigger than ±1%, our workers will tweak the float parts inside again and again. We will only sign off the valve once its measurement error falls within the allowed ±1% limit.
Flow Meter Valve Test
5. Can a flow meter valve integrate into a heating manifold for a complete balancing solution?
Yes, our flow meter valves fully match heating manifolds to build a full water balance system. We design these two parts as a matched set from the start. All connection sizes fit perfectly, including the M30x1.5 thread head on the flow meter. The matched PTFE sealing gaskets fit tightly to stop water leaks during daily use under 10 bar regular working pressure.
At Plumberstar, the entire assembly process for heating manifolds also includes pre-fitting the flow meter valves. Our technicians use calibrated torque wrenches to tighten every joint, and each fastener gets the exact same torque setting to ensure leak-free, secure connections. The quality assurance team carries out frequent random checks on finished manifold sets to keep our production standards steady.
Every finished manifold set passes a strict leak test before shipment. We fill the pipes with water and raise the pressure to 1.5 times the standard working pressure, holding this pressure for 30 full minutes. During the whole test period，we only ship the product if zero water leakage is found .
6. Why choose a factory-direct manufacturer?
