Taco Geo Sentry Zone Valve 24V 1 Inch NPT Normally Closed - V100T2G2ZA024Q4A2
The Taco V100T2G2ZA024Q4A2 Geo-Sentry Zone Valve is specifically designed for optimum performance in geothermal heating and cooling systems. This normally closed, 2-way valve, with a 24V actuator and 1 inch NPT connectivity, is engineered for high durability and efficient operation
Constructed from robust brass, the valve withstands a maximum operating temperature of 250 degrees Fahrenheit and a pressure up to 150 psi. Its corrosion-resistant feature ensures longevity in harsh environmental conditions.
Features
- Energy efficiency with reduced electricity usage up to 93% compared to traditional systems.
- Supports multi-directional installation and can be employed in condensing chilled water systems.
- Crafted for integration on a single 40VA transformer supporting up to 12 valves.
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Weight: 1.7 pounds
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Connection Type: Threaded
Specifications
| Operating Voltage |
24 volts |
| Operating Pressure |
150 PSI maximum |
| Connection Size |
1 inch NPT |
| Flow Capacity (Cv) |
8.9 |
| Maximum Temperature Rating |
250°F |
| Product Dimensions (H × W × D) |
2.7 × 5.1 × 5.7 inches |
What Our Experts Think
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Designed for hydronic and geothermal heating systems requiring reliable zone control.
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24V normally closed valve ensures efficient operation and energy savings.
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Features durable brass construction and a compact design for tight installations.
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Easy-to-wire and service — ideal for both retrofit and new system applications.
Q&A
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Q: What type of systems is this valve best for?
A: Perfect for geothermal and hydronic heating systems using 24V control.
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Q: Is it normally open or closed?
A: This model is normally closed for secure zone isolation.
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Q: Can I replace an older Sentry valve with this model?
A: Yes, it’s designed for compatibility with Taco’s Geo Sentry line.
Maintenance Tips
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Periodically check for leaks around fittings and connections.
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Keep valve and actuator clean to prevent debris buildup.
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Test zone operation at the start of each heating season.
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Replace worn seals or actuators as needed to maintain performance.
