Focus - CIPHEX Ontario 2004, held March 4-6 and hosted by the Canadian Institute of Plumbing & Heating, drew more than 6,000 plumbing, hydronic heating and water quality visitors, an increase of 24 percent. About 15 percent came from the plumbing sector, 13 percent from the heating business and 12 percent from the hydronic heating segment. Exhibitors numbered 165 in 300 booths. Contractor registration increased 18 percent, wholesalers rose 17 percent and engineers by 9 percent.