Products

High-Performance Water Manifold Systems from a Professional Manufacturer

Huitong offers a wide range of specifications for products such as ball valves, water manifolds, and balancing valves. As a professional Chinese manufacturer and supplier, we provide water manifolds that serve as the core distribution components for hydronic underfloor heating systems; crafted using a heavy-duty forged brass process, they ensure the uniform distribution and return collection of the heating medium.


What is a water manifold?

1. A water manifold consists of two main components—the supply header and the return header—acting as the hydraulic distribution hub for underfloor heating piping.

2. It is responsible for evenly distributing hot water from the heat source to each heating circuit while collecting the cooled return water and directing it back to the heat source equipment.

3. Equipped with branch valves and air/drainage assemblies, it enables independent control of individual circuits, system venting, and debris removal, ensuring stable heating system operation.


What are the advantages of using brass for water manifolds?

1. Manufactured via integral forging from heavy-duty HPb59 precision brass, the dense structure resists dezincification corrosion during long-term hot water circulation, extending service life.

2. Brass offers moderate thermal conductivity to meet heat exchange needs while resisting limescale adhesion on the surface, thereby reducing the risk of pipeline blockages.

3. It boasts excellent overall pressure-bearing capacity, effectively handling system pressure fluctuations and minimizing the risk of cracking or leakage in the main body.


How does the modular design facilitate HVAC installation?

1. Branch circuits can be selected as needed to flexibly match the heating area of different floor plans without requiring modifications to the piping layout.

2. Standardized interfaces allow for the direct attachment of accessories such as air vents, drain valves, and branch control valves, enabling one-stop assembly.

3. The compact overall structure allows for installation within underfloor heating cabinets—fitting into tight spaces like entryway or balcony enclosures—and simplifies future maintenance.


How does the hydraulic balance design address temperature disparities in whole-house heating?

1. The manifold's internal chamber features an optimized fluid-flow design that ensures balanced water distribution, preventing issues such as insufficient flow or inadequate heating in distant circuits.

2. Each branch is equipped with an independent control valve, allowing installers to adjust the flow rate of individual loops to balance temperatures across different rooms. 3. Reduces water turbulence and circulation noise, enhancing indoor heating comfort.


Which heating piping systems and applications are compatible?

1. Compatible with the two mainstream types of underfloor heating pipes—PEX and aluminum-plastic composite—making it suitable for both new installations and renovation projects.

2. Suitable for residential hydronic underfloor heating systems, catering to both single-level apartments and duplex units.

3. Widely applicable to centralized heating projects in commercial spaces such as shops and office buildings; suitable for small-to-medium-sized HVAC projects.


How does it simplify pipeline maintenance?

1. Features an integrated air vent port to quickly purge trapped air, preventing noise or heating failure caused by airlocks.

2. Equipped with a drain/flush port to periodically clear sediment and debris from the heating loops, preventing blockages.

3. Independent branch ball valves allow for the shut-off and maintenance of individual circuits, eliminating the need to shut down the entire heating system during cleaning or repairs.


What project support is available for bulk orders?

1. Stock available in specifications ranging from 2 to 12 circuits, allowing for rapid matching with heating projects of various sizes.

2. Supports customization of surface finishes, nameplates, and packaging to meet OEM/private-label requirements for HVAC brands.

3. Material testing reports and factory pressure test records are available to meet domestic project acceptance standards and customs clearance requirements for export projects.

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Ground Terminal Block for Underfloor Heating Pipe Circuit

Ground Terminal Block for Underfloor Heating Pipe Circuit

As a primary manufacturer and supplier specializing in Ground Terminal Block for Underfloor Heating Pipe Circuit, Huitong utilizes highly conductive nickel-plated brass paired with a flame-retardant, insulating base. Our products ensure the rapid dissipation of static electricity and stray leakage currents. They feature a secure snap-fit ​​connection and universal threading compatible with various manifolds, ensuring electrical safety during the installation of both hydronic and electric underfloor heating systems. We support bulk purchasing and custom specifications.
Pipe Fitting with Flow Control Valve

Pipe Fitting with Flow Control Valve

As a specialized manufacturer and supplier of underfloor heating piping components, Huitong offers a Pipe Fitting with Flow Control Valve forged from nickel-plated HPb59 brass. Designed to fit mainstream underfloor heating pipes and manifolds, it enables precise regulation of branch flow and balances heating temperatures across the entire home, while ensuring a secure seal and easy installation/removal.
Manual Blowdown Brass Control Valve

Manual Blowdown Brass Control Valve

Leveraging strengths in the HVAC components industry, Huitong—a specialized manufacturer and supplier of underfloor heating system accessories—offers this Manual Blowdown Brass Control Valve. Designed for the ends of underfloor heating manifolds, it features universal threading for direct replacement of old valves. Its large-bore flow channel enables rapid flushing of limescale and sediment, while high-temperature resistant seals prevent leakage. Suitable for both residential and commercial heating systems, it is available for bulk orders and custom supply.
Filtered Automatic Brass Air Vent Valve

Filtered Automatic Brass Air Vent Valve

As a primary manufacturer and supplier specializing in heating system components, Huitong offers the Filtered Automatic Brass Air Vent Valve in bulk. Constructed from thickened, forged HPb59 brass, it features an integrated stainless steel filter to block scale and impurities—preventing the float from jamming—and utilizes high-temperature resistant EPDM seals to eliminate leakage caused by thermal cycling. Multiple thread specifications ensure compatibility with underfloor heating, central air conditioning, and potable water piping systems.
Integrated Rear Brass Air Vent Drain Control Valve

Integrated Rear Brass Air Vent Drain Control Valve

Still looking for a high-quality manufacturer and supplier of underfloor heating manifolds? Choose Huitong. Our Integrated Rear Brass Air Vent Drain Control Valve is crafted from thickened, forged HPb59 brass and features standard 1-inch threading for direct replacement installation. It integrates automatic air venting and independent drainage functions, utilizes high-temperature resistant EPDM seals for long-lasting leak prevention, and meets strict quality standards for underfloor heating components. We support bulk purchasing and long-term supply for both residential and commercial underfloor heating projects.
Union Type Branch Manifold Inlet Control Ball Valve

Union Type Branch Manifold Inlet Control Ball Valve

Huitong is a manufacturer and supplier of Union Type Branch Manifold Inlet Control Ball Valve in China. We use thickened HPb59 lead-free brass for forging, and adopt a design of live joint without cutting the pipe for disassembly and assembly. It features full diameter low resistance, high-temperature resistance, bidirectional sealing, and a complete set of quality inspection for various types of heating and ventilation pipe fittings. We have comprehensive CE and material reports. We support batch purchases for heating and water supply projects and customization for non-standard specifications.
Huitong is a professional Water Manifold manufacturer and supplier in China. We warmly welcome you to wholesale high quality products at competitive price from our factory.
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