Soil, waste & underground drainage
Black Underground (Kayflow), Round to Square Lid Adaptor - 320mm
Join or adapt your pipework with the required fitting. Check both connection sizes and the fitting type before ordering.
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A closer look
at the details.
Specifications, finish and suitability should be checked for your particular job.
Product description +
A square lid adaptor is designed to convert a circular inspection chamber opening to accept a square cover and frame. It provides a secure transition between chamber components, allowing compatibility with different lid styles while maintaining a stable and aligned fit.
Manufactured from durable black PVC for underground use, it integrates seamlessly with inspection chambers, risers, and covers. The adaptor ensures a firm, reliable connection and helps maintain safe, accessible access for ongoing inspection and maintenance.
Colours, photographs & specifications +
Photos show products from the range and may include other colours. Matched colour photographs are shown where available; they do not guarantee exact sheen or appearance on your screen.
Check dimensions, profile, connections and any required fittings with the team. Compare a physical sample if an exact colour or finish match matters.
- Department
- Drainage
- Range
- Soil, waste & underground drainage
- Available options
- 1
Collection, delivery & your quote +
Add the products and quantities you need to your quote basket. Send your list and any job notes, and we’ll confirm prices, availability and the next steps with you.
Collection is available from our Hayes merchant. For local delivery, include your postcode so we can confirm eligibility, timing and any charges. An enquiry does not reserve stock or place an order.
Collection & delivery details ↗︎