Underfloor Heating Manifold Flow Meter

Underfloor Heating Manifold Flow Meter

The Underfloor Heating Manifold Flow Meter is a device installed in the water separator or collector of a floor heating system. It measures how much hot water flows in each loop in real time. During installation and setup, it helps adjust the flow in each loop so that all rooms have even heat. During normal use, it can show if the flow is abnormal, giving useful data to help find and fix problems.

  • Model No.: JX-0959
  • Material: Nickel-plated brass and brass finish
  • Plastic; EMS raw materials. Imported from EU original
  • Size: 1/2″ and 3/8″
  • Transparent glass material: PA66+30% glass fibre
  • 36 months warranty
  • The flow meter features a removable sight glass
  • Working Temperature: 0-95°
  • Standard: IATF 16949, ISO 3451-4, ISO 15512, ISO 1133, ISO 307
  • Media: Water
  • Working pressure: 1-6bar
  • Accuracy of measurement: ±10%
  • Length; Customize
  • Connection configuration: Male thread/BSP/NPT
  • Moisture Content: 0.02%
  • MVR at 275°C 5 kg: 19 ml/10min
  • Relative Viscosity 0.5% in m-cresol at 20 °C: 1.55
  • Ash content: 50.6%
 

Brass Underfloor Heating Manifold With Ball Valve

The integrated ball valve enables fast on-off control of each branch circuit. It is used to collect and shunt the hot water delivered by a boiler or a heat pump in a radiant floor heating system. By adjusting the opening degree of each branch ball valve with flow control. The flow is accurately distributed to each floor heating circuit pipeline, ensuring that the indoor temperature in different areas meets the design requirements.

  • Model No.: JX-0701
  • Materials: Stainless steel
  • Size: 1″
  • Temperature: -10˚C-110˚C
  • Thread connection: BSP, NPT
  • Working pressure: 16 bar
  • Loops: 2-way-12-way
  • Stainless steel body pipe with natural and other brass parts is nickel-plated
  • Flowmeter; Imported plastic raw materials.
  • Connection thread: 3/4″&1/2″ loop
  • Compatible with any type of PEX tubing – no special adapters needed
  • Fields of application: water, heating system
  • Working pressure: PN≤1.2 MPa
  • Meet BS EN 1264-4 standards
 

Stainless Steel Distribution Manifold

The stainless steel distribution manifold can work with different fluids and in complex conditions. It is used in heating, water supply, and industrial fluid systems to split or combine the main flow of fluid. It sends the right amount to each branch pipe and makes it easy to control and adjust the flow. And facilitate individual control, flow regulation, and maintenance of each branch.

  • Model No.: JX-10073
  • Material: 304 stainless steel
  • Diameter: 1″
  • Connection: 1/2″ and 3/4″
  • Operating temperature: 0℃≤t≤90℃
  • Max pressure: 10 bar
  • Usage: Underfloor Heating Controls System
  • Style: 2-12 loop
  • Working medium: water
  • Surface treatment: drawbench
  • Connection End: Thread or compression joint
  • A sealing ring is added between the ball valve of the water separator and the main pipe of the water separator, and the anaerobic rubber sealing connection is used for double protection
 

distribution manifold 10023h

Heating Distributor

The Heating Distributor is the core fluid distribution and control device in the heating system. It adapts to the hot water medium and working environment of the heating system. It is used to collect the hot water from the boiler, heat pump, and other heat source equipment and distribute it evenly to each heating branch indoors. At the same time, it can accurately control the hot water flow of each branch through the matching valve or flow regulator.

  • Model No.: JX-10023
  • Material: 304 stainless steel/ A103
  • Heat Source Connection: 3/4″ (f/m)
  • Consumer Connection: 1″ (f/m)
  • Working pressure: 6 bar
  • Maximum working pressure: 8 bar
  • The use of a separator header protects the pump from the negative effects of heat consumption
  • Maximum working temperature: 110℃
  • Center Distance: 90 mm
  • Heating System Type: Closed
 

Steel Boiler Manifold

Garden Hose 2-Way Splitter is a garden water supply accessory installed at the outdoor faucet or faucet interface. Its function is to divide a single inlet into two independent outlets. Each outlet is typically equipped with an independent switch to control the water flow separately. It is primarily used to meet the multi-channel water supply needs of gardens, courtyards, and other outdoor areas.

  • Model No.: JX-10022
  • Material: steel
  • Maximum working pressure: 6 bar
  • Medium temperature range: 5–110 °C
  • Main centre distance: 125 mm
  • Maximum recommended flow rate: 9 m³/h
  • Main connection: G 2″ A (ISO 228-1) M.
  • Outlet connection: G 1 1/2″ (ISO 228-1) F
  • Captive nut
  • Available in two finish options: natural (uncoated) or black powder coating
  • Working medium: water, glycol solution, or glycerol solution
 

Hydraulic Balance Manifold

The Hydraulic Balance Manifold is a core regulating device specially designed for a fluid system. It is usually composed of the main pipe body, multi-branch interface, flow balance valve, and monitoring component. Stainless steel or brass is mostly selected to adapt to the working environment of the heating and water supply system. Its core function is to realize the hydraulic balance of each branch in the system and solve the problem of excessive or too small flow in some areas caused by uneven fluid distribution.

  • Model No.: JX-10014
  • Material: Stainless Steel
  • Circuit Connection 1″ Male Thread
  • Drain Valve Connection 1/2″ Female Thread
  • Installation Type: Vertical Installation
  • Power: 70 kW
  • Working Pressure: 6 bar
  • Maximum Flow Rate: 3 m³/h
  • Working Temperature: 110 ℃
  • Circuit Outlet Direction: Sideways
  • Interaxial distance: 125 mm
  • Number of profiles: 3
 

 

Annular Hydraulic Distributor

An Annular Hydraulic Distributor is a fluid distribution and regulation device with an annular structure design. The annular structure can realize a 360° uniform flow distribution of fluid, and adapt to complex pipeline layouts. It sends water or other fluids from the main pipe to each branch quickly and evenly in heating, water supply, and industrial systems. The flow and pressure of each branch can be controlled accurately using matching adjustment parts.

  • Model No.: JX-10010
  • Material: Stainless Steel
  • Inlet/Outlet Diameter: 1 inch
  • Extra connector: 1/2 inch female thread
  • Power: 50 kW
  • Number of Circuits: 3
  • Max Working Temperature: 110℃
  • Max Working Pressure: 6 bar
  • Inter-circuit Spacing: 125mm
  • Installation method: on the wall
  • Total Weight (Net Weight): 4.3 kg

1. What is a manifold flow meter?

A manifold flow meter is a measuring accessory built specifically for heating manifolds. It installs on every branch pipe of underfloor heating circuits to monitor real-time hot water circulation volume. We provide float type and impeller type designs, and our float-type flow meters cover a flow range of 0–4 L/min, suited for most standard floor heating loops. It can operate steadily under working pressure up to 1.0 MPa.
 
This component is essential to balance heating systems. Installers read flow values through the transparent sight glass and turn the built-in knob to adjust water flow for each loop. Proper balance avoids temperature gaps greater than 2℃ between different rooms. It features an independent shut-off function; you can isolate one single circuit for maintenance without shutting down the whole heating system.
 
All manifold flow meters pass air tightness testing before delivery.Service staff can quickly identify clogged pipes or abnormal circulation during routine inspections. Each unit can sustain continuous operation for more than 8,000 hours, fitting both family housing and large commercial underfloor heating projects.
 

From Kai Hong Manifold

2. Is a third-party inspection available for the manifold flow meter?

Yes, we fully accept third-party inspections for manifold flow meters and provide full support during the whole inspection procedure. You may choose any certified independent testing institution. Inspectors are allowed to verify key metrics such as dimensional tolerance within ±0.1mm, pressure resistance, sealing performance, flow measurement accuracy, raw material composition, surface finish and outer packaging.
 
We have three flexible inspection arrangements to fit your requirements. You can opt for in-process inspection during production, full pre-shipment checks, or random sample collection to run material analysis at laboratories. We will get finished goods, testing fixtures and all required paperwork ready three working days before the inspection date. Our team will communicate closely with examiners to keep the whole process orderly and ensure all test data remains authentic.
 
We run our own in-house testing lab. Every manifold flow meter undergoes leak and pressure checks under 1.0 MPa prior to dispatch. Even with our strict internal quality controls, we remain open to independent third-party assessments. We are able to supply full documentation such as material analysis certificates, internal test logs and official factory paperwork. These records help with customs filing and project acceptance, and can be safely stored for as long as 24 months if you need to refer back later.
Third-Party Inspection of Underfloor Heating Manifold Flow Meter
Third-Party Inspection of Underfloor Heating Manifold Flow Meter

3. Can you provide a sample of the manifold flow meter?

Absolutely, we can provide manifold flow meter samples for your testing. Our regular samples adopt widely used thread specifications, supporting a flow range of 0–4 L/min for underfloor heating. If needed, we can tweak flow parameters and internal accessories to suit the heating system habits in your local market.

Simply let us know clear details including the model, thread size and project usage. Once all requirements are confirmed, we start sample preparation within 3 working days. Each sample will complete pressure, sealing and flow calibration tests, following the same quality standards used for large bulk shipments.

Standard samples are provided free of charge, and you just need to take care of the shipping fees. If you require samples with custom modifications, a small sample fee will apply. This cost can be subtracted from your first mass order, lowering your spending on product trials and project development work. 

4. How do you ensure the fulfillment of large-volume orders for manifold flow meters?

We run eight automated production lines that only make manifold flow meters, and we keep enough spare raw parts on hand to assemble 200,000 full sets year-round. We split key components like brass valve bodies, clear flow tubes, and red control knobs into separate warehouse sections for easy picking. We’re able to pull all required parts for a single 50,000-piece order at once, so you won’t face production hold-ups or shipment delays from missing materials on big bulk orders.
 
We split production plans ahead of time to handle large orders of different sizes. Every assembly line can steadily produce 1,800 manifold flow meters daily, so our eight production lines together can finish up to 14,400 units each day. If your order exceeds 30,000 pieces, we will run two production shifts to add more working hours, which shortens your overall waiting period to just 7–10 days. We also have separate workstations dedicated to quality control, where we fully inspect every group of 200 products to keep consistent quality for all bulk deliveries.
 
We’ve reserved a 2,000 sq m separate zone inside our warehouse just for finished items, with 30,000 standard flow meters always kept in stock for immediate shipment. For bulk restock orders tied to construction jobs, we’ll move your goods to the front of our picking queue. We have built stable long-term cooperation with three reliable logistics companies, which allows us to arrange full truckloads for mass orders. A single truck can hold as many as 12,000 pieces of our meters. This setup greatly reduces delays caused by repeated sorting and cargo transfers, so we can stick firmly to fixed delivery schedules and avoid situations where your projects run out of stock or get delayed.
 

5. Can we visit Plumberstar factory?

You’re more than welcome to come and tour Plumberstar’s own factory based in Yuhuan, Zhejiang. We host overseas customers all year long, and the best window for a visit runs from March to November. The weather here is mild during these months, and all our production lines run at full, steady capacity. Please book your trip through your dedicated foreign trade contact at least seven working days ahead of time, and we’ll assign a bilingual sales representative to walk you through the whole site. There are two convenient travel routes to reach Yuhuan. You can fly to Taizhou Luqiao Airport, then ride a car for 40 minutes straight to our plant. The other option is taking a high-speed train to Wenling Station, followed by a 25-minute drive to the factory. We offer free private car transfers matched to your flight or train schedule.

Your tour will cover every key production area of our facility. We’ll start with the dedicated workshop for manifold flow meters, where eight automated assembly lines are in operation. You can get a close look at our CNC brass machining lathes, injection molding machines, and flow scale calibration test benches here. Next, we’ll head to the raw material warehouse, where separate storage racks hold component parts for up to 200,000 sets of flow meters, letting you see our sufficient stock reserves in person. The final stops are the finished product inspection room and the warehouse. We’ll show you our full quality inspection process carried out in batches of 200 units, plus a dedicated storage section holding 30,000 ready-to-ship finished meters, so you can witness the entire workflow from raw material processing to finished goods delivery.

There are no extra fees for the factory tour. Our bilingual guide will walk you through equipment specifications and mass order production plans throughout your visit. Once the tour wraps up, you can browse physical samples of our full line of manifold flow meters in our on-site showroom. We can also discuss custom manufacturing solutions tailored to your large-volume purchasing needs, face-to-face.

6. Can you pre-install the manifold flow meter before shipping?

Yes, Plumberstar can finish pre-installation of Manifold Flow Meters before shipping. This greatly reduces your on-site installation work so you can use the product right after receiving it. We put the whole set together in our factory following your needs, such as pipe connections, water flow settings, and extra parts you want. We attach every piece tightly, including the flow meter, twist knob, shut valve, air vent, drain valve, pipe joint, and fixing stand.
 
After each product is fully put together, we carry out a complete set of performance tests on every single piece. This covers water pressure withstand testing, airtightness inspection, and precise flow rate calibration. We strictly verify zero water leakage, smooth operation of the adjusting knob, and consistent, accurate flow indicators. All internal parts are secured firmly in place, and we can provide customized protective packaging as you request to stop components from shifting or detaching while being shipped.
 
Our experienced workers put all parts together on fixed production lines. Every finished set looks and works the same. It stops common mistakes when you install it on site, such as loose tightness and water leaks.
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