Vaillant aroSTOR VWL 290 Twin Flue Kit | 20205775 | Single Wall Penetration Ducting underfloor heating accessorie Essential for heating systems exceeding

Essential for heating systems exceeding 16A (3600W)

dry plywood or OSB only

High gain coil for rapid heat-up

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Vaillant aroSTOR VWL 290 Twin Flue Kit | 20205775 | Single Wall Penetration Ducting underfloor heating accessorie Essential for heating systems exceedingVaillant Genuine Accessory Part No. 20205775 aroSTOR 200L & 270L Single Wall Penetration Twin Duct System Intake + exhaust in one kit Single Wall Opening One penetration for both ducts Genuine Vaillant Part 20205775 4. 5 kg Kit Weight 394 398 1,195mm box Flexible Siting More installation options Vaillant aroSTOR VWL 290 Twin Flue Kit (Part 20205775) Genuine Vaillant accessory for aroSTOR 200L and 270L heat pump water heaters Routes both air intake and