The ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action. The ZSR series controls up to 6 zone pumps (depending on model selected) and a primary pump. It has LED indicators to provide functional status and easy system troubleshooting.
$236.72
each
1 In Stock
or for lower prices
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
Extremely reliable design - Clutch-protected drive train, durable synchronous motor, millions installed in North America
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
Compatible with 2, 3 and 4-wire thermostats or other low voltage controllers with switching action
Heavy duty, sealed relays
1 primary pump output and 3 to 6 (model dependent) zone pump outputs (120 VAC/5 A each)
Zone priority selectable with 1 hr time-out feature
Convenient R, W, C and T, T, COM dual labeling at thermostat terminals
System pump status (on/off) during priority selectable
Dry contacts (XX,AUX, ZONE 1 E/S) capable of switching line voltage
High capacity 12 VA or 20 VA transformer (model dependent)
Automatic resettable fuse on 24 V circuit
Selectable post purge
Selectable pump exercising
3 pump ground terminals for simplified wiring
Expandable to unlimited number of zones using simple 3-wire connection between controls
Large screw terminals for ease of wiring
Front panel LED indicator light for functional status