Tankless Water Heater Isolation Service Valve Flush Kit with Pressure Relief Valve, 3/4"

Kahenian 3/4 inch Tankless Water Heater Isolation Service Valve Flush Kit with Pressure Relief Valve, FNPT X FNPT, 3/4" Service Installation Valve for Rheem, Rinnai, Takagi, Ecosmart

Ask HUGH the Ducky: What the Quack is this?  Aren't we trying to eliminate such things? 

Unfortunately, some water heaters still require maintenance. (We haven't redesigned them yet). If your water heater says they need regular flushing, this kit can make it an easier process.