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HL77 — Basement Drain with Triple Backwater Protection
HL77 — Basement Drain with Triple Backwater Protection
HL77 DN110 horizontal basement drain with removable triple backwater closure, including two automatic closures and a manual shut-off, plastic grate and collecting bucket.
Technical specifications
| Application | Basement Drains with Backwater Protection |
|---|---|
| HL article codes | HL77 |
| Nominal connection | DN110 |
| Body material | ABS |
| Backwater protection | Two automatic closures and manual blocking |
| Rated flow | 1.58 l/s |
| Manufacturer | HL Hutterer & Lechner, Austria |
Models and official HL technical drawings
| Article code | Connection / variant | HL specification and drawing |
|---|---|---|
| HL77 | DN110 | Official HL product page |
Refer to the linked HL product pages for model-specific dimensions, rated flow capacities, and PDF technical drawings.
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