What Our Experts Think
-
The Taco 556-G3 Geothermal Zone Valve (24V, 3/4" Sweat, 2-Way) is designed for precise flow control in geothermal and hydronic heating systems.
-
Its durable brass body and low-power 24V operation ensure long-lasting, energy-efficient performance.
-
The 2-way configuration provides reliable shutoff and regulation, making it perfect for zoning applications in both residential and light commercial systems.
-
Built for quiet, maintenance-free operation, it offers excellent compatibility with Taco or other standard zone controls.
Q&A
Q: What type of systems is this valve best suited for?
A: It’s ideal for geothermal heating and cooling systems or hydronic zoning applications that require dependable on/off control.
Q: How does the 2-way design function?
A: The 2-way valve allows or stops water flow to a specific zone, helping balance system efficiency and comfort.
Q: What voltage does it use?
A: It operates on 24V power, standard for most residential control systems.
Q: Is it quiet during operation?
A: Yes, the motorized actuator is engineered for silent, smooth operation.
Maintenance Tips
-
Inspect electrical wiring and connections regularly to ensure safe operation.
-
Clean valve ports periodically to prevent mineral buildup.
-
Check actuator function annually to verify proper opening and closing.
-
Avoid over-tightening fittings during installation to prevent thread damage.