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| Flow Heating and Water Supply Manifolds Flow Heating and Water Supply Manifolds are designed for use in underfloor heating systems to control the flow rate and distribution of water through the entire heating system. This manifold is installed in the center of the system. One end is connected to the supply line responsible for hot water transmission. The other end is connected to the return line that carries heat and returns it.
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| Refrigerant Manifold Pressure Gauge A refrigerant manifold pressure gauge is a common tool used when fixing or checking air conditioners and cooling systems. It is used to see the pressure on the high side and the low side of the system at the same time. The function is to feed back the pressure state of refrigerant in the system in real time, and assist in vacuum pumping, refrigerant filling, troubleshooting, and other operations.
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| Thermostatic valve for distributors Thermostatic valves for distributors are small temperature control parts used in heating and water supply systems. They are installed on the distributor and can sense the temperature of the water inside. This helps keep the temperature at a suitable level and makes the system run more smoothly and safely. The function is to maintain the set temperature of each branch of the distributor.
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| Stainless Steel Manifold A stainless steel manifold is a part used to share and control water or gas. It is made of stainless steel and has many ports on one body. These ports can connect to different pipes and devices. It is often used in factories, heating and water systems, labs, and energy equipment. The manifold helps send water or gas to many places at the same time, or control each line separately. It also makes it easier to adjust the flow and check the pressure. Using a manifold keeps the pipes neat and reduces messy piping.
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| Nickel Plating On Radiator Manifold Nickel Plating on Radiator Manifold is a nickel plating process on the surface of the radiator manifold. It effectively resists oxidation and corrosion of the water quality. Moisture in the heating system prolongs service life. It can also enhance surface hardness and wear resistance. Reduces scratch damage and ensures radiator manifold operation in long-term medium transmission and environmental contact.
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| Manifold Drain Valve Manifold drain valves are special valves installed on water or gas manifolds. They usually have a sealed connection and a simple handle to operate. The function is to quickly discharge the residual medium in the manifold and downstream pipeline. It not only avoids freezing and cracking of the pipeline caused by accumulated water in a low-temperature environment, but also removes dirt deposited in the system to ensure smooth circulation of the medium.
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Boiler Manifold Kit
Boiler Manifold Kit
A boiler manifold kit is an integrated assembly used for distributing and collecting water or steam in a boiler system. The core includes the main pipeline with a multi-branch structure, a valve assembly for controlling on-off and flow rate, and connecting and sealing parts. The purpose is to evenly distribute the fluid output by the boiler to multiple heat terminals or collect return fluid. Independent control of different areas can be realized through branch valves. A single branch can be closed during maintenance without stopping the whole boiler system.
- Model No.: JX-0957
- Material: Pure copper body with solid brass valves, Anti-oxidation coating, L-copper piping
- This manifold kit contains 1 in FNPT dielectric unions for the boiler supply and return
- Two 1/4 in service and drain ports and two 3/4 in ports
- Pipe Diameter: 15 mm
- Standard: ISO 9001, CE, UL Standards. RoHS-Compliant Materi
- For Use With: NCB Series Combination Boiler
- 99.9% pure TP2 copper
- Maintains the necessary 18″ distance from plastic tubing
- Connection Type: NPT
- Mounting Type: Wall
1. What is a boiler manifold kit?
Plumberstar’s Boiler Manifold Kit is an integrated part for water distribution and temperature control. It is made for boilers, wall-hung boilers, and hot water systems. It acts as a central hub to connect the boiler with heating circuits like underfloor heating and radiators.
This kit comes as a complete set. It includes the manifold body, flow regulators, temperature control valves, air vents, plugs, union joints, and mounting brackets. Its main job is to send hot water from the boiler evenly to each heating branch. It also lets you adjust flow and temperature for each branch separately. This supports zone control, hydraulic balance, maintenance, and air release.
Unlike regular underfloor heating manifolds, this boiler manifold focuses more on pressure resistance, high temperature resistance, and boiler interface compatibility. It has a compact structure and is easy to install. It comes with a standard pre-assembled setup. You can connect it directly to the boiler pipeline. You do not need to buy extra separate parts.
From Jersey Mike HVAC
2. What is the difference between a distribution manifold and a collection manifold?
Distribution Manifold (Supply Manifold)
Core function: Disperse a single main hot water flow from the heat source into independent branch pipelines one by one. Every branch outlet is fitted with an individual flow-regulating valve. Each valve can independently adjust the water flow volume of its corresponding heating loop within 0–12 L/min to achieve balanced heat output. Main applicable medium: 40–85°C hot water. Standard application scenarios: Underfloor heating circulation systems, chilled water central air conditioning, and hydraulic systems.
Collection Manifold (Return Manifold)
This manifold’s main job is to collect hot return water from separate heating lines into a single main return pipe, then send the blended water back to your boiler or heat pump. Every branch outlet comes pre-fitted with two special parts: an automatic air vent and a manual drain valve. The air vent keeps pushing trapped air out of the piping to stop airlocks. The drain valve lets you flush out sludge, rust, and debris regularly, lowering the chance of clogged pipes.
3. Can the manifold be used for gas distribution?
Plumberstar’s Boiler Manifold Kit cannot be used for gas distribution. This product is made for water heating systems only. That includes hot water, cold water, and heating water circulation. It is not fit for gas, like natural gas, liquefied gas, or artificial gas. Its design, structure, sealing, and materials are all for water use.
First, the manifold’s flow channel, gaskets, and sealing methods follow water system standards. They are made to resist water pressure, high temperature, and prevent water leakage. Gas molecules are smaller and easier to leak. Gas needs much stricter sealing than water. Using this manifold for gas can cause slow leaks. This is very dangerous.
Gas distribution needs special equipment. You must use professional gas manifolds and gas pipes. These products meet strict gas industry standards. They are up to standard in materials, welding, sealing, and pressure.
4. What is the MOQ for the custom boiler manifold kit?
Our custom boiler manifold kits have tiered MOQs determined by how much modification you need. Simple adjustments count as basic customization: change circuit counts, swap thread standards, add or remove flow meters and auto air vents, laser mark your logo on valve bodies, or switch color box packaging. The MOQ for these jobs is fixed at 1000sets.
Complex custom work pushes the minimum order quantity higher. This includes opening brand-new custom molds, using extra-thick brass raw materials, building irregular pipe structures, installing unique electric actuator assemblies, and special electroplating surface finishes. Final MOQ gets negotiated based on mold fees and machining difficulty. Most regular deep custom orders start at 5000 sets.
5. Do you support OEM services for the boiler manifold kit?
Plumberstar fully supports professional OEM customization for Boiler Manifold Kits. According to your brand and market needs, we provide one-stop customization for product configuration, appearance, logo, and packaging.
For OEM services, we can laser engrave, die-cast, or print your brand logo and model on the manifold body, valves, end caps, and other parts. The logo is clear and firm, with the same quality as mass-produced products. We can also adjust product configurations flexibly. This includes circuit number, interface size, valve type, exhaust method, material thickness, and surface treatment. The finished product will fully match the installation standards and usage habits in your region.
Packaging also supports full customization. We can use your designed color boxes, neutral boxes, or export cartons. We can print your brand information, product descriptions, warnings, and local language content. Accessory lists and user manuals can also be made based on your version. You can directly sell or use the products in projects upon receipt.
For long-term customers, we provide stable production capacity, exclusive mold protection, and product confidentiality. We strictly prevent your brand design and product specifications from leaking out. All customized products follow unified factory inspection standards. They go through a water pressure test, an air tightness test, and a full-size inspection. Each batch of products has stable and reliable quality. They meet export certification and project acceptance requirements.
6. What is the lead time for the custom boiler manifold kit?
Plumberstar’s normal lead time for a customized Boiler Manifold Kit is 4–6 weeks. The exact time depends on customization difficulty, raw material supply, and order quantity. The delivery schedule is clear and reliable, suitable for foreign trade and engineering projects.
We split delivery times based on how much custom work you need for your orders. Simple custom changes take around 4 to 5 weeks. Medium-level custom work needs 5 to 6 weeks.
Complex requests add more waiting time. Making new molds or redesigning structures adds another 2 to 3 weeks. This window covers mold production and sample testing. Special raw materials or surface treatments add 1 to 2 weeks extra. We base this timeline on how long it takes to source metals like stainless steel and high-nickel alloy, plus anti-rust coating work. Big bulk orders and engineering project orders take 6 to 8 weeks total. We need full production planning and complete quality checks for these large shipments.
7. Can the flow rate be customized in a boiler manifold kit?
Our boiler manifold kits support custom branch flow output adjusted to match your project heat load and hydraulic data. We balance each heating loop accurately by mixing different pipe sizes, installing flow control valves, and optimizing internal runner structures.
Flow calculation takes three core figures into account: boiler power ranging from 12kW to 120kW, overall system circulation volume, and single-loop heat load. Every single circuit features separate adjustment, with flow adjustable from 0 to 8 L/min based on real heating needs. This manifold set works for household and commercial heating projects, covering construction areas from 60 ㎡ to 3000 ㎡.
