Good points

Low noise level
Rubber seal
Clamping springs

Ventilation extraction valve with diameter Ø125mm

This plastic ventilation valve from Zehnder Stork is provided with clamping springs for the attachment and a foam rubber ring for the seal. This makes this air extraction valve very suitable for mounting in for example spiro tubes.

The STK 1 100/125 valve is made of high quality plastic. The maximum air volume of the STK 1 100/125 is 75m³/h.

The STK 1 100/125 valve is suitable for connection to spiro tubes with a diameter of 100mm and 125mm.

Brand	Zehnder Stork
Category	All extract valves
GTIN	8717573015639
Manufacturer's item number	705040001
Article number	35028018

Specifications

Connection diameter	125 mm
Connection	Clamping springs
Airflow	75 m³/h
Category code	143
Front diameter	150 mm
Adjustable	Stands
Colour	White
Material	Plastic
Type	Drain
Shape	Round

Documents

Brochure Zehnder Ventilatieventiel STK

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Saving energy Tips to reduce your energy bills with good ventilation

Energy prices are skyrocketing, and decesion have to be made between eating or heating. It is time to make our homes more sustainable and thus save energy. In summer, our homes use less energy than in winter. In summer you are outside more often and the heating does not have to be switched on. In winter, we often keep the windows closed to keep the heat in, but unfortunately that is when the problems arise. There is no fresh air coming into our well insulated houses. The lack of fresh air leads to high CO2 levels, which in turn leads to various health complaints.