![Photo Hutterer & Lechner Air admittance valve for in-wall installation, including lot cover [Code number: HL 905]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBMzF1QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--d47e22b88935ce7770d376a086a20878ef11b4ed/HL_905-photo.jpg?locale=en)
Air admittance valve HL 905 for in-wall installation is made of ABS. The valve protects sanitary devices against disruption of water trap. You can mount this air admittance valve on a long horizontal pipe, but pipe length must be greater 4 meters. Including lot cover, removable function cartridge and cover.
| Diameter | Material | Capacity | Weight |
|---|---|---|---|
| DN, mm | l/s | gr | |
| 50 75 |
ABS | 383 |
Download data sheet: 
Air admittance valve HL 905
![Draft Hutterer & Lechner Air admittance valve for in-wall installation, including lot cover [Code number: HL 905]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdVhBIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--99e05dca8c3462ae5eb64596c93649714d303d00/hl_905-draft.jpg?locale=en)
![Photo Hutterer & Lechner White cover for HL905 [Code number: HL 905.1]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNHB1QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--1a66da33958244e47af2b198b28cea2fb67742b8/HL_905.1-photo.jpg?locale=en)
![Draft Hutterer & Lechner White cover for HL905 [Code number: HL 905.1]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNHR1QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--53358a61cddb7b5198da69f9e94f4e4fc0b11973/HL_905.1-draft.jpg?locale=en)
![Photo Hutterer & Lechner Chrome cover for HL905 [Code number: HL 905.2]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNUp1QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--d40d66836e9f071219ed87ed8d427a9c299a4bca/HL_905.2-photo.jpg?locale=en)
![Draft Hutterer & Lechner Chrome cover for HL905 [Code number: HL 905.2]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNU51QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--7bce7aa5f5229ff81eb6a28d0c1bb7caeceff7f2/HL_905.2-draft.jpg?locale=en)
![Photo Hutterer & Lechner Black cover for HL905 [Code number: HL 905.3]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNUJ1QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--31e90c8d1c71ee168bc2158a3e27752c14bbae83/HL_905.3-photo.jpg?locale=en)
![Draft Hutterer & Lechner Black cover for HL905 [Code number: HL 905.3]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNUZ1QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--d9c54fcc9182f847fd611196bda0c9c155b39bca/HL_905.3-draft.jpg?locale=en)
![Photo Hutterer & Lechner Grey cover for HL905 [Code number: HL 905.4]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNDV1QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--6cd62693e4b5f06bf38f6bae75cb16fab8d5973e/HL_905.4-photo.jpg?locale=en)
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