# Square to Round Downpipe Adaptor – Black

Square to round downpipe adaptors are designed to provide a secure transition between square and round downpipe systems within rainwater drainage installations.

They help maintain efficient water flow when connecting different pipe profiles, making them ideal for repair work, upgrades, or mixed guttering systems in domestic and commercial applications.

## Details

- **Price:** 5.61 GBP
- **Vendor:** BRETT MARTIN PLUMBING & DRAINAGE (B80B)
- **Type:** Square
- **Tags:** Black, Gutters & Downpipes, National, Plumbing & Heating, Square

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 5.61 GBP | In stock |

## Images

- Black plastic square-to-round downpipe adapter for guttering and drainage systems

---

> Source: [Carvers Building Supplies](https://www.carvers.co.uk/products/black-square-to-round-downpipe-adaptor-br517b)
> Updated: 2026-06-02