
Description
Product Part Number
VKC5733G-W
Description
The 220 x 90 mm Rectangular Double Airbrick Adaptor with Grilles is manufactured from durable white High Impact Polystyrene and offers a minimum free area of 15,360 mm². It features a female adaptor for easy external connection to the System 220 ducting.
Fully compliant with the SAP Appendix Q Product Characteristics Database, this adaptor meets recommendations for duct sizing used in both extract and Mechanical Heat Recovery Ventilation (MVHR) systems. The VKC5733G-W is also produced in accordance with the Domestic Plastic Ductwork Specification DW/154 and meets the UL94HB flammability standard, ensuring both safety and performance.
Specifically designed for compatibility with the Verplas System 220, this adaptor delivers efficient airflow and reliable system integration.
Technical Specification
Dimensions: 220 mm x 90 mm
Material: High Impact Polystyrene
Individual weight: 0.332kg
Frequently Asked Questions
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What are external air valves used for?
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What is the difference between an internal and external air valve?
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Do external air valves need insect mesh?
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What size external vent do I need to match my ducting?
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Do external vents need regular cleaning or maintenance?
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Free residential layout guides cover airflow requirements and unit and valve location guidance. Full ducting route planning is a separate service. Layout guides are not available for commercial projects.