Siemens STP73U 599 Series Zone Valve Actuator
SiemensModel:STP73U
Location unavailable
Actuator
Qty:1
Condition: New
At a glance
- Product
- Siemens STP73U 599 Series Zone Valve Actuator
- Manufacturer
- Siemens
- Model
- STP73U
- Category
- Actuator
- Condition
- NEW
- Availability
- In stock
- Price or process
- Request price
- Quantity
- 1
- Lead time
- Not provided
- Location
- Location unavailable
- Fulfillment
- Shipping only
- Seller
- Salter Industries
- Listed on
Key specifications
- Cable Length
- 1m
- Control Type
- On/Off, Normally Open
- Ingress Protection Rating
- IP54
- Max Power Consumption
- 2W
- Opening Time
- 3s
- Operating Temperature Max
- 50°F
- Operating Temperature Min
- 0°F
- Operating Voltage
- 24V AC
- Travel
- 4.5in
Supporting evidence
No supporting documents or certifications provided.
Description
The Siemens STP73U is a compact, electro-thermal actuator from the 599 Series, designed for precise on/off control of zone valves in heating, ventilation, and air conditioning (HVAC) systems. Operating on 24V AC power, this normally open (NO) actuator provides reliable, energy-efficient performance with a thermic expansion mechanism that ensures quiet operation and long service life. Key applications include radiant heating systems, fan coil units, and chilled ceiling systems, where it excels in modulating water flow for temperature control. Benefits include low power consumption (under 2W during operation), quick response times (typically 3-5 minutes for full stroke), and compatibility with Siemens zone valves like the VVP45 series. Compared to similar products from competitors like Honeywell or Belimo, the STP73U offers superior ingress protection (IP54) and a robust design suitable for demanding environments, though it may require specific valve adapters for non-Siemens systems. Drawbacks include a fixed stroke length, limiting versatility in some custom installations. Overall, it's an ideal choice for building automation, providing maintenance-free operation and easy installation with push-fit connections.
Location unavailable for this listing.
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Return Policy
Return Window
No returns accepted
Return Conditions
This equipment is sold as-is, where-is
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