Do you want instant hot water without paying for a major renovation? Taco’s Hot-LinkPlus-e ® ECM High-Efficiency Instant Hot Water System combines the easy-to-install Hot-Link® Valve with the 006e3 ® hot water circulation pump and the award winning SmartPlug Instant Hot Water Control ®. The Hot-LinkPlus-e ® ECM High-Efficiency Instant Hot Water System provides hot water on demand while maximizing energy savings. Using existing plumbing with a tank water heater, no dedicated hot water return line is needed.