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Delivery Update June 25th 2026
Interislander ferry sailings have been suspended due to severe weather across New Zealand.
Delivery delays of at least 3–4 days are expected due to disruptions affecting freight between the North and South Islands. We appreciate your patience and understanding while these conditions continue.

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Plenum Large Box (+200 high) - Base

Manufactured 4-5 Days

Category

Large & Custom Plenums

Code

AP-L-B

Brand

RRP

$492.00

$427.83

Description

Product Overview

Pre-insulated plenum designed for higher airflow applications and larger ducted air conditioning and heat pump systems.

Manufactured from genuine Kingspan KoolDuct panels, this plenum provides increased internal volume and is ideal for high static or custom installations. Supplied as a base unit (no spigots) for flexible configuration.

Ordering Information

Please include with your order:

  • Indoor unit make and model
  • Required plenum size and configuration
  • Positioning or space constraints

We can provide a confirmation drawing prior to manufacture if required.

Specifications

  • Application: High capacity ducted systems
  • Spigots: None (base unit)
  • Material: Kingspan KoolDuct (22mm, R1.0)
  • Operating temperature: -26°C to +85°C

Manufacturing

Designed and manufactured in New Zealand by Airflow Engineering, a family-run business focused on practical, reliable HVAC solutions.

Typical lead time: ~5 working days from confirmation