Lubricate the threads on the insert with pipe thread sealant. The post How To Install a Floor Drain Backflow Preventer appeared first on Family Handyman.

Considering installing or replacing a backflow preventer? This guide will explain the cost based on things like type, add-ons and more.

The company has designed a new drain-backflow adapter for Takagi on-demand water heaters. Previously, installation of the Takagi system included the use of a backflow preventer to keep cold air during ...