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In Line Metal Back Draft Damper 250mm Diameter Spring Repelec

BRAND: Repelec
SKU: BLABACKDRAFT250
$30.80 List price: $41.00
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Repelec In Line Metal Back Draft Damper features 250mm diameter. Ideal for ventilation systems in residential, commercial.

Product Name/Title: In-Line Metal Back-Draft Damper | 250mm Diameter | Spring-Loaded Flap | Durable Galvanised Steel | @Pack by Repelec

Brand: Repelec

SKU: BLABACKDRAFT250

Alternatively Known As: inline backdraft damper, duct backdraft damper, 250mm metal damper, HVAC backflow preventer, ventilation non-return valve

Technical Specifications
  • Material: Galvanised steel
  • Diameter: 250mm
  • Type: In-line back-draft damper
  • Operation: Spring-loaded flap
  • Installation: Suitable for horizontal and vertical ducts
  • Temperature range: -20°C to 60°C
  • Dimensions (H x L x W): 250mm x 80mm x 250mm
  • Weight: 1.2 kg
Key Features
  • Prevents unwanted backflow of air in duct systems
  • Robust all-metal construction for durability
  • Spring-loaded damper for reliable operation
  • Suitable for horizontal or vertical installation
  • Low resistance to airflow
Professional Installation Requirements
  • Installation by a qualified HVAC technician or licensed installer is recommended to ensure correct airflow direction and secure fitting.
Applications
  • Ventilation systems in residential, commercial, and industrial buildings
  • Ducted exhaust fans and range hoods
  • HVAC systems to prevent reverse airflow
  • Air conditioning and heating ductwork
Standards & Compliance
  • Complies with AS/NZS 1668 for mechanical ventilation and air-conditioning in buildings
Environmental Benefits
  • Improves energy efficiency by preventing loss of conditioned air
  • Reduces heating and cooling costs
  • Prevents ingress of outdoor pollutants and pests
Warranty Information

12 months manufacturer's warranty against defects.

Available Now

The Repelec 250mm In-Line Metal Back-Draft Damper (BLABACKDRAFT250) is available for immediate purchase. Ideal for use in ventilation, exhaust, and HVAC duct systems.

Exhaust Fan Airflow Calculator






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