Non-Return Flap Valve chamber 450mm
Freeflush
£369
Price read from Freeflush on 2026-10-15. Check before buying.
Downstream of any surface water attenuation or rainwater harvesting system a non-return valve chamber is highly recommended. The benefit of the non-return chamber is that it prevents flow in the downstream network to impact or backflow into the Rainwater or surface water system. This is particularly pertinent if the downstream network is a combined system which could potentially contaminate a rainwater harvesting system. Specification Chamber Height 1300mm Material HDPE/MDPE Notes The valve chamber is not supplied with a lid and these must be sourced separately The chamber height is the total
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