Zone Control Valves

Comfort-Trol Zone Control Valve

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

Comfort-Trol Zone Control Valve is specially designed to meet the most demanding requirements of residential, institutional and commercial hydronic heating and cooling systems.

Features and Benefits

  • 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 3/4″ sweat body connections.



Ready to select pumps as well as suction diffusers, triple duty valves, heat exchangers, air/dirt separators, PIC valves, and parts? Click below to open the new Bell & Gossett ESP-Systemwize selection tool and enter your duty points to begin selecting the most energy efficient system:


Sizing Tools:

Steam + Water Pressure Reducing Values

Software Tool and Application Support/Suggest Enhancements

Please click the button below to report issues and suggest enhancements.

Support Request

System Selection and Technical Product Support

Consult your local Bell & Gossett Representative for additional assistance.