Reliance Electric or Gas Heat Trap 3 in. H

PEX polymer lined nipples comply with dielectric waterway fittings requirements of many municipal plumbing codes. Dielectric waterway nipples help protect the tank from corrosion caused when a dissimilar metal like copper is connected directly to the tank. High quality PEX nipples will not corrode shut, leak or clog with lime scale like plain galvanized nipples commonly do.