BROOKVENT Airvent BHY 4000 Window Airflow Regulator Anthracite Dual Damper ITB-KOT-2020/1357

Product Overview

In window ventilation systems for residential or commercial buildings, the BROOKVENT Airvent BHY 4000 is a manually operated frame-mounted regulator, designed for installation in PVC, wooden, or aluminum windows using socket connections. With approval from ITB-KOT-2020/1357, it fulfills national Polish technical evaluation requirements and is compatible with Brookvent intake units and anti-smog filters.

The two-stream air adjustment feature, allowing independent upper and lower air inflow control, sets this regulator apart from standard single-direction alternatives. This precise manual regulation is valuable for projects where climate control flexibility and ventilation customization are required. Recommended for window manufacturers or installers managing diversified glazing profiles and seeking compliance with local standards in residential or office construction.

Key Features

• Manual shutter adjustment ? allows precise control of air inflow via two separate dampers


• Double air stream ? upper or lower vent option for tailored ventilation distribution


• ITB-KOT-2020/1357 certified ? meets Polish technical standards for building ventilation components


• ABS construction ? high durability and resistance to deformation for long service life


• Invisible after installation ? compact design (410x27x48 mm) minimizes aesthetic impact


• Quick snap installation ? no screws required, accelerates assembly and reduces labor time


• Compatible with anti-smog filter NovaAir Slim ? enhances indoor air quality in polluted environments

Technical Specifications

• Dimensions: 410x27x48 mm


• Color: Anthracite RAL 7016


• Material: ABS plastic


• Certification: ITB-KOT-2020/1357


• Compatible Window Types: PVC, wooden, aluminum


• Mounting Method: Snap-fit in aluminum joinery with sockets


• Airflow Regulation: Manual, dual damper

Applications

Used in window joinery for residential buildings, offices, and public facilities, particularly for projects requiring flexible ventilation solutions. Intended for integration into PVC, aluminum, or wooden windows. Commonly applied in environments with need for air quality control, including installation with anti-smog filters, or where appearance and compliance with ITB certification are required.

Packaging & Shipping

Standard export packaging. Unit includes regulator body and mounting accessories for snap-fit installation. Instructions and certification included. Bulk packaging available for OEM window manufacturers.