Dimensions and technical details Weatherproof supply air valves Various optoins available: ZLEP, ZLEP TH, ZLEP ISO, ZLEP TH ISO Nominal width: 100mm Colour: white Material: UV-resistant plastic, inside cover with condensate-resistant coating Contents: inside unit with flap, round cover, washable filter, adjustable pipe sleeve, outside grille Easy to install: manual or automated thermostatic control without the need for an electric connection (no power consumption at all) Tool-free cleaning, maintenance and filter replacement Model Operation Equipment Ø Inside cover mm Outside grille mm Max. length mm ZLEP Manual Adjustment knob 0-100% opening. 157 141 x 141 x 8 370 ZLEP TH Automatic Thermostat sensor. Flap begins to close at ca. 10°C. Fully closed at ca. -5°C. 157 141 x 141 x 8 370 ZLEP ISO Manual Adjustment knob 0-100% opening. Sound and heat insulation. Dampening of noise from the outside, prevention of cold bridges. 157 141 x 141 x 8 400 ZLEP TH ISO Automatic Thermostat sensor.
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