A heat motor operated valve designed for zoning hydronic heating/cooling systems utilizing baseboard, convector and fan-coil terminal units.

· Silent-running heat motor saves power via intermittent energizing.
· Unique double torsion spring opens and closes smoothly, prevents water hammering, assures positive shut-off.
· Leaf-type stack switch with blade terminals allow fast installation under baseboards or wherever space is limited.
· Available in ¾" sweat body connections.

Operating Data
Maximum working pressure . . . . . . . . . . 125 psig
Fluid temperature range. . . . . . . . . . . . . 40°F to 240°F