On commercial or shallow pool applications stainless steel main drain grilles must be used.
Recommendation - Main drains must be arranged so that there is no risk of bathers being drawn towards them or trapped there. It is recommended that on all installations, a minimum of 2 main drains are installed 2 meters apart
Eco Main drains
Code
Description
HSA802
ECO Main drain 1.5”base 2”side outlet – Concrete pools
HSA902
ECO Main drain 1.5”base 2”side outlet – Liner pools