Siemens Hydronic Zone Valve: 0.63 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return
The Siemens Hydronic Zone Valve (SKU 3G-OTH-69774) is a 2-way, 1/2 in female NPT connection zone valve with a 0.63 Cv flow rate. It features a non-spring return, normally closed (NC) electric actuator operating at…
SKU 3G-OTH-69774
Also listed as: 25902002 · 259 02002
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The Siemens Hydronic Zone Valve (SKU 3G-OTH-69774) is a 2-way, 1/2 in female NPT connection zone valve with a 0.63 Cv flow rate. It features a non-spring return, normally closed (NC) electric actuator operating at 24V AC (MPN 259-02002).
Frequently Asked Questions
What is the Siemens 259-02002 hydronic zone valve used for?
The Siemens 259-02002 is a 2-way, normally closed hydronic zone valve used in HVAC systems to control hot or chilled water flow to individual zones. It is commonly applied in commercial and residential hydronic heating and cooling systems for precise temperature regulation.
What are the specifications of the Siemens 259-02002 zone valve?
The Siemens 259-02002 is a 2-way, non-spring return, normally closed electric zone valve with a 1/2 in female NPT connection and a 0.63 Cv flow rate. Its actuator operates at 24V AC. The valve is designed for hydronic applications and is manufactured by Siemens.
Where to buy the Siemens 259-02002 zone valve worldwide?
You can source the Siemens 259-02002 zone valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Siemens hydronic valve.
How to install a Siemens 259-02002 hydronic zone valve?
Install the Siemens 259-02002 by connecting the 1/2 in female NPT ports to the piping system. Wire the 24V AC actuator per the wiring diagram, ensuring the normally closed valve opens when power is applied. Mount the valve in the correct flow direction and test for leaks before system startup.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens 2-way npt connection zone valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
