“Excellent pump with pre-drilled weep hole, overheat protection, and quiet operation. Caution about level surface.”
“After using other brands, this Zoeller M53 is the one that came up in search and fits my needs perfectly.”
“This is my second Zoeller pump; the first lasted 15 years.”
“Feels premature to write a review for a pump not in service yet, but this is my 4th Zoeller, known for durability.”
“Backup pump for a system running for 2 years constantly.”
“Had two pumps fail due to float switch issues, spent a lot on repairs.”
“Easy install, several storms, running great.”
“Very reliable and robust, based on 33 years of pump experience.”
