The McDonnell & Miller ZoneSmart zone pump controller is a sophisticated controller for hydronic heating systems in residential and light commercial applications.

A powerful microprocessor-based design enables the ZoneSmart controller to deliver advanced features without an advanced price.

Standard features include domestic hot water priority circuit with safety timer, pump exercise and a post-purge timer that delivers BTUHs to the building rather than allowing them to escape up the flue.

ZoneSmart controllers are available with outdoor reset capability for the ultimate in comfort and energy efficiency. Read more...