Posts Categorized: Plumbing News

Thermal expansion is a relatively new problem in household plumbing systems. It is the result of installing water meters with check valves or dual check valves mandated by local and national plumbing codes. Although the purpose of the check valves is to isolate the municipal water supply from potentially contaminated household water, the resulting thermal… Read more »

B&L Plumbing Service, Inc. news article.