Duct PVC Tee 350x75mm BE/BE/BE – PVC Ducting – DP3575T

$92.98$151.98 (-39%)

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Professional HVAC Component: Duct PVC Tee 350x75mm BE/BE/BE

You are viewing the Duct PVC Tee 350x75mm BE/BE/BE (SKU: DP3575T). A professional-grade component from the PVC Ducting series, engineered for New Zealand’s residential and commercial ventilation systems. Sourced directly from the Smooth Air supply chain for NZ Depot.

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Technical Verification Required

Ventilation components require precise sizing. Please verify that this DP3575T model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.

Key Specs:
Category: PVC Ducting
Type: Low Profile Duct System 350x75mm

Product Specifications

Why NZ DEPOT for HVAC?

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Trade Pricing

We strip out the showroom markup. You pay for the PVC Ducting quality, not the retail overheads.

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Site Delivery

Direct dispatch to your home or job site. We use specialized freight for bulky ducting and fragile components.

NZ Standards

Genuine NZ market product. Fully compliant with local building and ventilation codes.

Technical Insight: Optimizing Ventilation Systems in NZ

Maximizing Airflow Efficiency

Whether you are installing a bathroom extractor, a range hood, or a full balanced pressure heat recovery system, the physics of airflow remains the same: air hates friction. Every component in your system, from the ducting to the joiners and grilles, introduces “Static Pressure” (resistance).

Using high-quality components like the Duct PVC Tee 350x75mm BE/BE/BE is crucial for minimizing this resistance. Cheaper, poorly molded fittings or rough-bore ducting can create turbulence, which reduces the extraction rate of your fan. This means your fan has to work harder, creating more noise and using more electricity, while moving less damp air out of your home.

Pro Tip: When connecting ducting, always stretch flexible ducting taut. A saggy duct creates immense resistance. Use rigid joiners and bends where possible to maintain a smooth internal profile for the air to glide over.

Building Code G4 & Healthy Homes Standards

In New Zealand, ventilation isn’t just about comfort; it’s a compliance issue. Under Building Code Clause G4, spaces where people live must have adequate ventilation to prevent mold and moisture buildup. The Healthy Homes Standards further enforce this for rental properties, requiring specific extraction capacities for kitchens and bathrooms.

Ensuring you use the correct diameter components (like 150mm for kitchens) is vital. Using a restrictive component in a 150mm system effectively chokes it down, potentially causing it to fail a flow test. Smooth Air products are designed to meet AS/NZS 4254 standards, giving you peace of mind that your installation is up to code.

Material Selection: PVC vs. Galvanized Steel

Choosing between plastic (PVC) and metal components depends on the application.

  • PVC (Plastic): Ideal for residential use, especially in bathroom and laundry extracts. It is lightweight, immune to corrosion (rust), and has a very smooth internal surface for excellent airflow. It helps reduce vibration noise transfer.
  • Galvanized Steel: The standard for commercial HVAC and high-temperature applications. It offers superior structural rigidity and fire resistance. If your system passes through fire-rated walls, steel components (often combined with fire dampers) are non-negotiable.

This specific item, the Duct PVC Tee 350x75mm BE/BE/BE, utilizes materials selected for durability and performance in its intended class.

Logistics & Warranty

Secure Shipping: We utilize a “Direct-to-Site” 3PL model. Your order for the DP3575T is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This reduces road miles and handling, ensuring your parts arrive in pristine condition.

NZ Warranty: As a 100% NZ-owned business, all purchases are covered by the Consumer Guarantees Act. Whether you are a trade professional or a DIY homeowner, you are protected against manufacturing defects.

© 2026 NZ DEPOT Limited. All Rights Reserved. | 100% NZ Owned & Operated.

Professional HVAC Supply: Duct PVC Tee 350x75mm BE/BE/BE

You are viewing the Duct PVC Tee 350x75mm BE/BE/BE (SKU: DP3575T). A critical component within our PVC Ducting range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from the Smooth Air supply chain for NZ Depot.

⚠️

Important: Measurement Verification

HVAC components require precise sizing. Please confirm this DP3575T model matches your engineer’s specifications before ordering.
Dimensions: Length: mm | Width: mm | Height: mm.

Technical Specifications & Features

About the Low Profile Duct System 350x75mm Series

The Hydor Low Profile Duct System has been specifically designed to meet the needs of modern day applications. It has been developed to provide a solution to engineers who have limited ceiling heights to run ducting. Typical applications include apartments, hotels and domestic dwellings.

As the Hydor Low Profile Duct System is available in multiple profiles, you will be able to select the right system to meet your airflow requirements. This is a critical factor that often results in reduced fan size and less energy consumption.

The Hydor Low Profile Ducting is easy and fast to install due to the range of fittings available. This lightweight alternative to sheet metal is hygienic, and due to the self-extinguishing PVC construction will not suffer from corrosion.

As with all Hydor products, the Low Profile Duct System has been rigorously tested by Australia’s leading institutions to ensure confidence in its reliability and quality.

The specifier and contractor can be assured the product they install will deliver the performance required and meet the requirements of the system design.

Understanding NZ HVAC Compliance

When selecting ventilation equipment for New Zealand homes and businesses, compliance with AS/NZS 4254 and UL 181 standards is non-negotiable. The Duct PVC Tee 350x75mm BE/BE/BE is engineered to meet these rigorous safety and performance benchmarks.

Why R-Value Matters

For insulated ducting components, the R-Value (Thermal Resistance) is critical. A higher R-Value ensures that the air travelling through your system maintains its temperature—whether hot or cold—from the unit to the outlet. This reduces energy load on your heat pump or AC unit, lowering electricity bills and increasing system longevity. This product offers an R-Value of (if applicable), ensuring thermal efficiency.

Fire Safety & Materials

Safety is paramount in ceiling spaces and wall cavities. Smooth Air components utilize fire-resistant materials, often featuring a metallized Mylar outer jacket and encapsulated steel wire cores. This construction not only prevents fire spread but also maintains the structural integrity of the ducting under high pressure.

Why NZ DEPOT for HVAC?

🏭

Trade Pricing

We strip out the showroom markup. You pay for the PVC Ducting quality, not the retail overheads.

🚚

Site Delivery

Direct dispatch to your home or job site. We use specialized freight for bulky ducting and fragile components.

NZ Standards

Genuine NZ market product. Fully compliant with local building and ventilation codes.

🌱 Sustainable Supply Chain Initiative

At NZ DEPOT, we are modernizing the New Zealand trade supply chain. Traditional retail involves shipping products from a manufacturer to a central warehouse, then to a retail showroom, and finally to the customer. This “multi-hop” model adds unnecessary carbon emissions and cost.

By utilizing a Direct-to-Site 3PL model, we eliminate the “Showroom Hop.” Your order for the DP3575T is routed from the nearest strategic distribution hub (Auckland, Wellington, or Christchurch) directly to your address. This logistical efficiency reduces road miles, lowers our carbon footprint, and allows us to pass significant savings on to you.

🛡️ Warranty & Consumer Protection

Consumer Guarantees Act (CGA)

We are a 100% New Zealand-owned and operated entity. All purchases made through NZ Depot are fully covered by the Consumer Guarantees Act 1993. Whether you are buying for personal use or commercial fit-out, you are protected against manufacturing defects and faults.

Secure Transaction Promise

Your security is paramount. We utilize industry-standard SSL encryption for all data transmission. We do not store credit card details locally; all payments are processed via secure, PCI-compliant gateways.

© 2026 NZ DEPOT Limited. All Rights Reserved. | 100% NZ Owned & Operated.

Additional information

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  1. Dianne (verified owner)

    Great product quality

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  2. Olive (verified owner)

    Really thrilled with product service buy quality item

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  3. Niko (verified owner)

    Really pleased with product service

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  4. Ezekiel (verified owner)

    Great value

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  5. Dylan (verified owner)

    Highly satisfied

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    Superb service quality purchase

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    Really thrilled purchase quality

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  8. River (verified owner)

    Totally content

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  9. Desmond (verified owner)

    Top-notch item

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  10. Sebastian (verified owner)

    Highly fantastic

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