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Geothermal Heat Motor Zone Valves

Geothermal Heat Motor Zone Valves
Geothermal Heat Motor Zone Valves (Models 5101G, 556G, 557G)

Taco Geothermal Heat Motor Zone Valves are designed for high-head, open-system zone control. The unique end switch design permits control of the heat pump by the valve, allowing cold water into the coil before the heat pump starts.

Engineered for reliability, Geothermal Heat Motor Zone Valves provide a time proven method for system zoning and control. The exclusive heat motor design operates silently, while the twist-off head allows for serviceability without disturbing system connections. Available in a variety of sizes and styles to meet the broad demands of today’s systems.

Taco Geothermal Heat Motor Zone Valves provide a convenient way to create individual zones or equipment isolation in a hydronic heating system. Utilizing one pump along with multiple zone valves, flow can be started, stopped, or diverted through the system to provide individual room or area comfort control and energy savings. Taco offers many versions and sizes of the Heat Motor Zone Valve to meet all your zone valve needs.

Instruction Sheet
Submittal Data
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Performance Data

Connection Sizes: ¾” Threaded, ¾” and 1″ Sweat

  • Proven Performance
  • Rugged Dependability
  • Silent Operation
  • Twist Off Head
  • Patented Construction
  • Easy to Install
  • Geothermal
  • High Head, Open System Zone Control
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