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Item #:
104630647
Duct Reducer Duct Fitting Pipe Increaser Reducer PVC Reducing Coupling Plastic for HVAC Ventilation Systems 7550mm
Item #:
104630647
NZD 31
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Imported from USA store
QTY:
Order now and get it around Tuesday, September 01
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What Stands Out
Versatile Fitting
Designed for seamless adaptation between different duct sizes, enhancing compatibility in HVAC ventilation systems for improved airflow and efficiency.
Durable Material
Constructed from high-quality PVC, ensuring longevity and resistance to wear in demanding environments, making it a reliable choice for all HVAC installations.
Easy Installation
User-friendly design simplifies the installation process, allowing quick adjustments and modifications to duct systems, saving time and labor costs.
Product Details
| Brand Name | SEIWEI |
| Number of Pieces | 1 |
| Model Number | DD00350_01S |
| Manufacturer | SEIWEI |
| Manufacturer Part Number | DD00350_01S |
| Unit Count | 1.0 Count |
| Connector Type | Reducer |
| Thread Type | NPT |
| Size | 75x50mm |
| Color | Transparent |
| Exterior Finish | PVC, White |
| Material Type | Polyvinyl Chloride |
| Material | Polyvinyl Chloride |
| Brand | SEIWEI |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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HVAC Technicians
Perfect for HVAC professionals needing reliable fittings to optimize air flow in ventilation systems.
-
DIY Enthusiasts
Ideal for hobbyists looking to create or modify existing ductwork for better home ventilation.
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Residential Installers
Great for contractors handling home installations who require durable and efficient duct fittings.
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Industrial Uses
Not suitable for heavy-duty industrial applications requiring robust, high-pressure fittings.
Product Description
Duct Reducer Duct Fitting Pipe Increaser Reducer PVC Reducing Coupling Plastic for HVAC Ventilation Systems 7550mm
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a duct reducer and how is it used?
Answer: A duct reducer is a plumbing fitting designed to connect two sections of ductwork with different diameters. For instance, this PVC reducing coupling transitions airflow from a 75mm duct to a 50mm duct. It is primarily used in HVAC systems to efficiently channel air and optimize the performance of ventilation systems. When you need to attach a smaller duct to a larger duct, a duct reducer helps ensure that airflow remains consistent and reduces turbulence, improving the overall efficiency of your ventilation. -
Question:
What material is the duct reducer made of?
Answer: This duct reducer is constructed from durable PVC plastic, making it lightweight yet strong. PVC is a popular choice for duct fittings due to its resistance to corrosion, moisture, and chemicals, ensuring longevity and reliability in HVAC application. The plastic also ensures that the duct reducer is easy to handle and install, providing a reliable solution for ventilation systems where metal fittings might corrode or rust over time. -
Question:
Can this duct reducer be used for both supply and return air?
Answer: Yes, this duct reducer can be utilized for both supply and return air in your HVAC system. It is versatile enough to adapt to different configurations regardless of whether it is supplying cooled or heated air or returning it to the system. When optimizing an HVAC setup, using a duct reducer appropriate for both supply and return pathways can help maintain proper airflow and energy efficiency. -
Question:
What sizes does this duct reducer come in?
Answer: The duct reducer specifically connects ducts measuring 75mm and 50mm in diameter. This sizing makes it ideal for various HVAC applications where different duct sizes need to be harmonized. Such designs are essential when integrating newer duct sections to older systems or when modifying existing setups. Knowing the exact sizes ensures that you choose the right reducer to avoid airflow issues and maintain efficient ventilation. -
Question:
Is this duct reducer suitable for high-temperature applications?
Answer: This duct reducer is designed primarily for standard HVAC applications and may not be suitable for high-temperature exhaust systems. While PVC performs well in typical heating and cooling situations, high heat may weaken plastic materials over time. It's important to assess the specific conditions of your system and consider using metal or high-temperature rated reducers in applications that exceed standard HVAC temperature ranges. -
Question:
How should I install this duct reducer?
Answer: Installing this duct reducer is straightforward. You can connect it to both the larger and smaller duct sections using standard duct tape or clamps to ensure an airtight seal. For best results, ensure that both ends are clean and free of debris before installation. Proper installation ensures optimal airflow and prevents any leaks that could reduce the efficiency of your HVAC system. -
Question:
Can this duct fitting be used for residential applications?
Answer: Absolutely! This duct fitting is perfect for residential HVAC systems, whether you're constructing a new home or retrofitting an existing system. Homeowners often need to transition between duct sizes due to various setups in rooms, attics, or basements. The versatility and adaptability of a duct reducer make it essential for ensuring that each room receives proper airflow, improving the overall comfort of your living space. -
Question:
What is the advantage of using a plastic duct reducer over metal?
Answer: Using a plastic duct reducer like this one has several advantages over metal counterparts. PVC is lightweight, easier to handle, resistant to rust and corrosion, and generally more cost-effective. Additionally, plastic duct fittings tend to have smoother interior surfaces, which minimizes friction and enhances airflow efficiency. This efficiency coupled with the reduced weight; can lead to simpler installations and maintenance in HVAC systems. -
Question:
Where can I buy Duct Reducer Duct Fitting Pipe Increaser Reducer PVC Reducing Coupling Plastic for HVAC Ventilation Systems 75 50mm in New Zealand?
Answer: You can purchase the Duct Reducer Duct Fitting Pipe Increaser and Reducer PVC Reducing Coupling Plastic for HVAC Ventilation Systems 75 50mm from Ubuy in New Zealand. Ubuy offers a variety of duct fittings and related accessories, ensuring you can find the right components for your HVAC needs easily. -
Question:
Is there a specific application for this duct reducer in HVAC systems?
Answer: Yes, the duct reducer is typically used in HVAC systems where there's a need to connect ducts of varying sizes—like retrofitting ductwork or optimizing airflow in multi-zone systems. By transitioning air from a larger duct to a smaller one, you can manage airflow more effectively, enabling your HVAC system to operate at peak efficiency. This fitting is essential in scenarios where air distribution requires modifications for better performance across different areas in a building.
SEIWEI Reducer Tube Fittings DD00350_01S Editorial Review
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Pros
- Easy to install
- Durable PVC construction
- Perfect fit for HVAC systems
- Improves airflow efficiency
- Lightweight and portable
Cons
- Limited color options.
Platform Trust & Buyer Confidence
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Ranee
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“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”
22 July 2026 · via Trustpilot
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“very speedy delivery,tracking info was superb-best experikence ever!!!”
24 June 2026 · via Trustpilot
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“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”
22 June 2026 · via Trustpilot
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Dneah
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“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”
15-Jul-26 · via Trustpilot
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Tania
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“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”
11-Jul-26 · via Trustpilot
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NZD 31
Order now and get it around Tuesday, September 01
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- Made of high-quality, durable PVC material.
- Thickened design ensures crack-proof and compressive strength.
- Smooth inner wall prevents scaling and promotes smooth water flow.
- Easy and quick installation for convenience.
- Ideal for various applications, including extractor fans and hydroponics.
- Lightweight design without sacrificing quality.
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