No products in the cart.
TD Grille box 450×450(internal) – specify spigot size – Echidna, Grille Adaptors & Grille Boxes – GBTD450
Image is for illustration only. Please go by the model number (SKU: GBTD450).
-30%Roll over image to zoom in
$449.48$645.98 (-30%)
Price Match*
Price Match*
Discount per Quantity
| Quantity | Discount | Price |
|---|
| 1 - 4 | 0% | $449.48 | |
| 5 - 9 | 8% | $413.52 | |
| 10 - 19 | 12% | $395.54 | |
| 20 + | 18% | $368.57 |
⚠️ 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: TD Grille box 450×450(internal) – specify spigot size
You are viewing the TD Grille box 450×450(internal) – specify spigot size (SKU: GBTD450). A professional-grade component from the Echidna, Grille Adaptors & Grille Boxes 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 GBTD450 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.
Key Specs:
Category: Echidna, Grille Adaptors & Grille Boxes
Type: TDpanel Grille Boxes
Product Specifications
The GBTD Insulated TD Grille Box provides a compact and efficient transition between ceiling grilles or diffusers and ducting. Its insulated panel design reduces noise and thermal loss in air distribution systems.
Application
Used to connect grilles or diffusers to round ducting in air conditioning and ventilation systems. Ideal for installations where insulation and noise control are required.
Features / Benefits
- 20 mm insulated panel with black internal finish (standard)
- Aluminium flange for secure grille mounting
- Available in a wide range of spigot sizes
- Lightweight, durable, and easy to install
- Use NSgbTD code for any deviation from standard drawing
Products specifications
| Attribute name | Attribute value |
|---|---|
| Grille Specifications | |
| Installation location | Ceiling |
| Application | Commercial & Domestic |
| Shape | Rectangle |
| Material | TD Panel |
| Colour | Silver |
| Finish | Reflective |
| Length (mm) | 495 |
| Width (mm) | 495 |
| Height (mm) | Ø + 125 |
| Spigot Size Available | 100 Ø, 125 Ø, 150 Ø, 200 Ø, 250 Ø, 300 Ø, 350 Ø, 400 Ø |
Professional HVAC Supply: TD Grille box 450×450(internal) – specify spigot size
You are viewing the TD Grille box 450×450(internal) – specify spigot size (SKU: GBTD450). A critical component within our Echidna, Grille Adaptors & Grille Boxes 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 GBTD450 model matches your engineer’s specifications before ordering.
Dimensions: Length: 495mm | Width: mm | Height: mm.
Technical Specifications & Features
The GBTD Insulated TD Grille Box provides a compact and efficient transition between ceiling grilles or diffusers and ducting. Its insulated panel design reduces noise and thermal loss in air distribution systems.
Application
Used to connect grilles or diffusers to round ducting in air conditioning and ventilation systems. Ideal for installations where insulation and noise control are required.
Features / Benefits
- 20 mm insulated panel with black internal finish (standard)
- Aluminium flange for secure grille mounting
- Available in a wide range of spigot sizes
- Lightweight, durable, and easy to install
- Use NSgbTD code for any deviation from standard drawing
Products specifications
| Attribute name | Attribute value |
|---|---|
| Grille Specifications | |
| Installation location | Ceiling |
| Application | Commercial & Domestic |
| Shape | Rectangle |
| Material | TD Panel |
| Colour | Silver |
| Finish | Reflective |
| Length (mm) | 495 |
| Width (mm) | 495 |
| Height (mm) | Ø + 125 |
| Spigot Size Available | 100 Ø, 125 Ø, 150 Ø, 200 Ø, 250 Ø, 300 Ø, 350 Ø, 400 Ø |
About the TDpanel Grille Boxes Series
Specify spigot size from 100mm dia to 50mm less than box size.
Technical Data
Additional information
| Dimensions | 495 mm |
|---|---|
| MPN | |
| Application | |
| Material | |
| Shape | |
| Colour | |
| Finish |
Reviews
50%
50%
0%
0%
0%
Only logged in customers who have purchased this product may leave a review.

Niko –
Highly recommend
Olive –
Totally thrilled
Karen –
Very thrilled with product service
Nigel –
Love this experience
Hudson –
Very excellent buy
Bodhi –
Very happy with product quality
Hudson –
Super pleased
Raymond –
Really awesome quality service purchase item
Liam –
Super happy with it
Louise –
Top-notch item