Technician testing flow and temperature on a wall-mounted tankless water heater in Roseville

Why Does a Tankless Water Heater Go Cold Mid-Shower in Roseville?

A tankless water heater can turn cold mid-shower when the unit stops heating even though water is still flowing. The cause may be a drop below the heater’s minimum activation flow, more hot-water demand than the unit can handle, mineral buildup, an ignition or sensor problem, or a shower mixing valve that is introducing too […]