Plumbers like Clint Singletary understand that the path to better profitability is paved by increased productivity. Do jobs faster and you make more money. Full stop.As such, it’s easy to see why the owner of Singletary Plumbing in Birmingham, Alabama, invested in two Renssi Finland Oy drain machines to prep pipes for lining, one of many services offered by the company, established in 1984.The RCM-10 is designed to scour smaller pipes from 3 to 8 inches in diameter and the bigger RCM-36 can handle pipes from 3 to 12 inches in diameter. Both units feature flexshaft technology — the cable
