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DG4020 Door Grille 400×200 neck - Door Grilles - GD4020
Image is for illustration only. Please go by the model number (SKU: GD4020).
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$139.48$227.98 (-39%)
Price Match*
Price Match*
Discount per Quantity
| Quantity | Discount | Price |
|---|
| 1 - 4 | 0% | $139.48 | |
| 5 - 9 | 8% | $128.32 | |
| 10 - 19 | 12% | $122.74 | |
| 20 + | 18% | $114.37 |
⚠️ Important Compatibility Notice
Please double-check the required specifications with your qualified technician or installer prior to ordering. Due to the technical nature of this product, incorrect orders cannot be exchanged, replaced, or refunded. Thank you for your understanding.
Professional HVAC Component: DG4020 Door Grille 400×200 neck
You are viewing the DG4020 Door Grille 400×200 neck (SKU: GD4020). A professional-grade component from the Door Grilles series, engineered for New Zealand’s residential and commercial ventilation systems. Sourced directly from our trade supply chain for NZ Depot.
⚠️
Technical Verification Required
Ventilation components require precise sizing. Please verify that this GD4020 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.
Key Specs:
Category: Door Grilles
Type: Door Grilles
Product Specifications
The GD4020 Aluminium Door Air Relief Grille is designed to provide effective air transfer between rooms while maintaining privacy through its inverted ‘V’ vision-proof blade design. Constructed from lightweight aluminium, it includes a telescopic frame that ensures a neat, symmetrical appearance on both sides of the door or partition.
Application
Ideal for use in doors and partitions that require air transfer or pressure relief between adjacent spaces. Commonly used in offices, classrooms, and commercial buildings. The telescopic frame suits door thicknesses from 25 mm to 45 mm, allowing straightforward installation without visible screws or rivets.
Features / Benefits
- Inverted ‘V’ blade design for vision-proof appearance
- Chevron-type blades spaced at 20 mm centres for maximum free area
- Telescopic frame ensures equal appearance on both sides of the door
- Suitable for doors or partitions 25 mm to 45 mm thick
- Clip-fit inner frame eliminates the need for rivets or screws
- Approximately 60% free area for efficient air transfer
- Security grille option (flat bar welded to face) available on request
Products specifications
| Attribute name | Attribute value |
|---|---|
| Grille Specifications | |
| Installation location | Door |
| Application | Commercial & Domestic |
| Shape | Rectangle |
| Material | Aluminium |
| Colour | Silver |
| Finish | Natural Anodised |
| Face Size (mm) | 434 x 234 |
| Neck Size (mm) | 400 x 200 |
Professional HVAC Supply: DG4020 Door Grille 400×200 neck
You are viewing the DG4020 Door Grille 400×200 neck (SKU: GD4020). A critical component within our Door Grilles range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from our trade supply chain for NZ Depot.
⚠️
Important: Measurement Verification
HVAC components require precise sizing. Please confirm this GD4020 model matches your engineer’s specifications before ordering.
Technical Specifications & Features
The GD4020 Aluminium Door Air Relief Grille is designed to provide effective air transfer between rooms while maintaining privacy through its inverted ‘V’ vision-proof blade design. Constructed from lightweight aluminium, it includes a telescopic frame that ensures a neat, symmetrical appearance on both sides of the door or partition.
Application
Ideal for use in doors and partitions that require air transfer or pressure relief between adjacent spaces. Commonly used in offices, classrooms, and commercial buildings. The telescopic frame suits door thicknesses from 25 mm to 45 mm, allowing straightforward installation without visible screws or rivets.
Features / Benefits
- Inverted ‘V’ blade design for vision-proof appearance
- Chevron-type blades spaced at 20 mm centres for maximum free area
- Telescopic frame ensures equal appearance on both sides of the door
- Suitable for doors or partitions 25 mm to 45 mm thick
- Clip-fit inner frame eliminates the need for rivets or screws
- Approximately 60% free area for efficient air transfer
- Security grille option (flat bar welded to face) available on request
Products specifications
| Attribute name | Attribute value |
|---|---|
| Grille Specifications | |
| Installation location | Door |
| Application | Commercial & Domestic |
| Shape | Rectangle |
| Material | Aluminium |
| Colour | Silver |
| Finish | Natural Anodised |
| Face Size (mm) | 434 x 234 |
| Neck Size (mm) | 400 x 200 |
About the Door Grilles Series
Natural anodised aluminium construction.
Features an inverted ?V? blade for vision proof appearance
Door grilles are supplied with a telescopic frame, enabling equal appearance from both sides of the door
Chevron type blades are spaced at 20mm centres for maximum free area consistent with non-vision construction
Telescopic frame suits doors or partitions from 25mm to 45mm wide
Clips located on the inner frame of the door grille snap fit the outer frame, eliminating
the need for rivets or screws etc
Security door grille (flat bar welded to face) available on request
Additional information
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| Application | |
| Material | |
| Shape | |
| Colour | |
| Finish |
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Stella –
Highly worth every penny product buy service quality item
Gordon –
Superb buy
Blake –
Outstanding experience
Frankie –
Wonderful service purchase
Aaliyah –
nzdepot’s commitment to customer satisfaction sets it apart.
Cameron –
Variety, quality, and prompt delivery – nzdepot ticks all the boxes.
Leon –
Wonderful service quality purchase
Enzo –
Absolutely wonderful item
Janet –
Will buy more
Jan –
Very happy with product service
Anonymous (verified owner) –
door grilles are great.