Tjernlund BD-4 Spring Return Backdraft Damper for 4
Galvanized steel, spring loaded dampers prevent back drafts with a tight seal and easy installation.
Tjernlund BD-4 Spring Return Backdraft Damper for 4" Ducts
Artikelnr.: 5539175

Tjernlund BD-4 Spring Return Backdraft Damper for 4" Ducts

Artikelnr.: 5539175

ANG 22

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Galvanized steel, spring loaded dampers prevent back drafts with a tight seal and easy installation.
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Wat opvalt

Automatic Operation
The BD-4 features a spring return mechanism that automatically seals the duct when not in use, preventing backdrafts and optimizing airflow efficiency in residential and commercial spaces.
Compact Design
Designed for 4-inch ducts, the BD-4's slim profile allows for easy installation in tight spaces, making it a versatile solution for various HVAC applications without compromising performance.
Durable Construction
Crafted from high-quality materials, the BD-4 ensures long-lasting durability and reliable operation, providing excellent value and peace of mind over time compared to competitors in the market.

Productdetails

Shop for Tjernlund BD-4 Spring Return Backdraft Damper at Ubuy curacao. Galvanized steel collar, aluminum damper blades. Get positive closure and interior gasket. Global delivery.
Item Weight1 lbs (450 grams)

Voor wie is dit geschikt?

Suitable For
  • Homeowners

    Ideal for homeowners needing to prevent backdrafts and ensure proper ventilation in their HVAC systems.

  • HVAC Technicians

    Excellent for HVAC professionals installing systems to enhance airflow efficiency and meet code requirements.

  • Energy Savers

    Suitable for those aiming to reduce energy loss by preventing unwanted airflow when systems are not in use.

Not Suitable For
  • Large Duct Systems

    Not suitable for larger duct systems as it is specifically designed for 4-inch diameter ducts only.

  • Outdoors Installation

    This product is intended for indoor use and may not withstand outdoor conditions or elements.

  • High Pressure Systems

    Ineffective for high-pressure ventilation systems that require specialized dampers to handle increased airflow.

PRODUCTBESCHRIJVING

Tjernlund BD-4 Spring Return Backdraft Damper for 4" Ducts

Heeft u een vraag? Chat met ons

Vragen & Antwoorden van klanten

  • vraag: What sizes are available for the backdraft damper?

    antwoord: The backdraft damper comes in sizes ranging from 4in to 16in.
  • vraag: What material is used for the damper blades?

    antwoord: The damper blades are made of lightweight aluminum.
  • vraag: Is installation difficult?

    antwoord: No, the backdraft damper is designed for easy installation.

Tjernlund Ducting Editorial Review

The Tjernlund BD-4 Spring Return Backdraft Damper has garnered a mix of enthusiastic and critical feedback from customers, primarily revolving around its Construction quality and functionality versus expected air flow capabilities. Users commend the build quality, highlighting its solid Construction with a durable double-flanged rubber gasket, which enhances its effectiveness when correctly placed in systems with sufficient air flow. Many customers have noted that the damper fits securely onto standard 4-inch ducting, a feature that contributes to its appeal for various applications, including dust collection systems. However, the overarching concern among users pertains to the strength of the springs. Multiple reviewers have reported that the springs are excessively robust, making the damper challenging to activate in specific installations, particularly where air flow is weak. Customers installing it in horizontal positions, or with low-capacity fans, found the spring's resistance problematic, requiring modifications such as removing springs, which could compromise effectiveness. This, coupled with some reports of missing interior gaskets and manufacturing inConsistencies, raises questions about the overall reliability in preventing backdrafts under less-than-ideal conditions. In summary, while the Tjernlund BD-4 is seen as a high-quality, heavy-duty product suited for robust air flow scenarios, its performance may falter with lower-capacity systems unless modifications are made. **

Klantbeoordelingen en -waardering

5.0
1 klantenbeoordelingen
  • 5 ster
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  • 4 ster
    0%
  • 3 ster
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  • 2 ster
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  • 1 ster
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Deel uw mening met andere klanten

Voordelen

  • Solid Construction quality with durable materials
  • Good fit for standard 4-inch ducting
  • Effective at stopping backdrafts when installed correctly

Nadelen

  • Springs are too strong for some applications, complicating use

Prijs-/productgeschiedenis

Belangrijke informatie

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