Pride Plumbing came out replaced two 38-gallon electric Rheem PROE38-S2-RH95-B lowboy water heaters with two new 38-gallon electric Rheem PROE38-S2-RH95-B lowboy models (this included removing and disposing of the old water heaters; installing a rubber water heater pad underneath each unit, installing the new water heaters, a HydraPro H10000 thermal expansion tank, new ball water shut-off valves, new PEX and stainless steel water supply lines to the water heaters' water connections, new brass drain valves, connecting the units' electrical connections, bleeding the air out of the water lines, ensuring that the units’ temperature and pressure (T&P) relief valves were properly vented, and setting the units to their appropriate operating temperatures).