Xylem’s Bell & Gossett ZoneTrol II is a ready-to-install controller for hydronic circulators in residential and light commercial applications. All ZoneTrol II controllers are UL and cUL listed and feature multi-function LEDs that are visible without removing the cover for easy start-up and troubleshooting. All units are compatible with analog and digital 24 VAC thermostats, including “power stealing” designs.
The multi-zone controllers feature an advanced microprocessor design that provides domestic hot water (DHW) priority & timer, pump exercise and a post purge timer without the need for add-on circuit boards or modules. Four and six zone controllers are field expandable for up to 18 pumps and are available with integrated, pre-wired boiler reset or mix reset controllers. Units with reset controllers include all necessary sensors.
Controller for hydronic circulators in residential and light commercial applications
The next generation of zone controllers from Bell & Gossett brings 21st century technology to residential controls.
ZoneTrol™ II provides DHW priority timer, post purge function and pump exercise into an economical and user-friendly package.
With optional outdoor reset controls, the ZoneTrol II is a natural fit with today’s green building strategies. Your modern hydronic systems deserve a modern controller.
Optional Features (4 and 6 zone controllers only)