Attention designers! John Richardson at Premier Plastics in Delta, BC, Canada has done extensive empirical testing to find the best specs for pressure dosing. Find out more!
Andover Job 1 is still going strong! Installed in August 1992 at the Andover (CT) Elementary School, it replaced a failed bell siphon. It was inspected on June 17, 2015 and it's functioning perfectly.
WARNING!
Installing, servicing, and inspecting some of these products may involve entering confined spaces. Confined spaces may contain deadly gasses and/or insufficient oxygen. Confined space entry requires special training , equipment, and permitting. Failure to adhere to this warning may result in injury or death. Rissy Plastics shall not be held liable for any injury or death resulting from any confined space entry.