Pennex registered in 1991 is a Plumbing
Company specializing in:

Back Flow Prevention


$5,000,000.00 Liability

WSIB Compliant

Our Safety Policy meets or exceeds division standards with additional qualities such as CSA, Shell, BLJC, GE, Petro Canada, and still maintaining a clean record for over 17 years. We have WHIMIS, Fall Arrest and Confined Space Certificates.

William James Pennock C.P.S.I.. Company founder and CEO, has been in the plumbing industry since 1957 as an apprentice and obtained his Plumbing Certificate in 1961. Employed by several major contractors..Ottawa Plumbing, Crump, Comstock, Rideau Plumbing, H.G.Francis Clarke Mechanical, and as a City of Ottawa Plumbing Inspector for approx 10 years achieved the Certified Plumbing Systems Inspector status from the Ontario Plumbing Inspectors Association. Taught night school for the UA from 1970 to 1998. Received a Certified Trade Instructor Certificate from Purdue University.

Bill taught Plumbing at Algonquin College over a period of 7 years. In 1978 obtained a Cross Connection Control certificate from WCAWWA and since obtained Certificates from Treeo, ASSE,AWWA and ABPA. Bill had a Fitter I Licence and still carries a Steam Fitters

Bill is the President of the Ontario Backflow Prevention Association. Bill decided there was a need for Backflow Prevention Testing and Information. He opened for business July 1,1991, as Pennex Backflow Prevention, incorporated as 1663558 Ontario Ltd O/A Pennex Backflow Prevention in 2004.

© PENNEX. All rights reserved 2017.