HMD252/110 | Main drain 250 x 250 with 110mm connections - 20m³/hr (0.3m/s) 33m³/hr (0.5m/s)

Main drains must be arranged so that there is no risk of bathers being drawn towards them or trapped there. Regulations state that a minimum of 2 x main drains must be installed 2 metres apart. All flow rates listed do not exceed 0.5m/sec velocity.