Installer friendly:

Ample room for terminations, large screw terminals, automatic resettable fuse, snap-in transformers.

Application versatility:

3 selectable 120 VAC auxiliary switches for enabling pumps and boilers, dedicated pump outputs, unlimited zone expansion.

Universal compatibility:

Compatible with 2, 3 and 4 wire zone valves and thermostats. Configurable pump logic.

Extremely reliable design:

Clutch-protected drive train, durable synchronous motor. Millions installed in North America.

Easy to install and service:

Compact design with snap-on actuator with a convenient in-line push button. Removable bottom cap allows for easy in-pipe service.

Application versatility:

Hot water, chilled water and low-pressure steam.