By Al Heavens / The Bulletin
July 12, 2011
Q: I live in a 20-year-old townhouse and have municipal sewer and water, with PVC drain pipes.
Although the drain didn’t seem to be clogged, there was a sewer odor near the first-floor powder room, just off the kitchen, that began late in March.
The toilet is a 2-year-old low-flush Toto toilet....