Hellermanntyton conduit y connector and reducer hg y series hellermann tyton 166 25804 the hellermanntyton 166 25804 hg34 y28 is a conduit y connector from the hg y series this fast fit y connector reduces the conduit size from an entry size of 34mm to two exit sizes of 28mm each the connector has been manufactured from polyamide 66 pa66 and is free from halogen sulphur and phosphorus hellermanntyton 166 25804 hg34 y28 conduit y connector ip66 entry 34mm exit 28mm