The legacy of the 00®. The efficiency of ECM. If a 007 is all you need, why not step up to high efficiency? The Taco 007e® ECM High-Efficiency Circulator is engineered with ECM variable speed technology. Its performance is equivalent to the legendary 007 yet it uses up to 85% less electricity. It is ideal for hydronic systems zoned with Circulators or zone valves or used on potable water systems for domestic water recirculation. Efficiency aside, the 007e delivers the reliability that’s made Taco famous. Install it, forget it.® What’s more, the 007e ECM High-Efficiency Circulator has some great features you won’t find anywhere else.