Description
Magnatrol G129S43SC-ACTS Steam Solenoid Valve Overview
The Magnatrol G129S43SC-ACTS is a heavy-duty, normally closed (N/C) solenoid valve engineered specifically for steam service applications. With a 3/4″ NPT connection, 120V AC coil, and a pressure rating spanning 0 to 180 PSI, this valve delivers dependable on/off control in demanding commercial and industrial HVAC and steam system environments.
Key Features
- Normally Closed (N/C) operation — valve closes automatically upon power loss for fail-safe performance
- 3/4″ NPT pipe connection for straightforward installation into standard steam piping
- 120V AC coil voltage — compatible with common commercial control circuits
- Pressure rating: 0–180 PSI — suitable for a wide range of steam system pressures
- Designed for steam media service, ensuring durability and long service life in high-temperature environments
- Magnatrol quality construction for reliable, low-maintenance operation
Specifications
- SKU: G129S43SC-ACTS
- Brand: Magnatrol Solenoid Valves
- Connection Size: 3/4″ NPT
- Valve Action: Normally Closed (N/C)
- Coil Voltage: 120V AC
- Pressure Range: 0–180 PSI
- Media: Steam
Applications
- Commercial and industrial steam distribution systems
- Boiler and hydronic steam controls
- Process steam on/off control
- HVAC steam heating coil control







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