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Product Overview
The Neptune GFS-50-1A 50 Gallon Glycol Feeder is a reliable automatic make-up system designed to maintain proper pressure and fluid levels in closed-loop heating, cooling, and process water systems. Engineered for commercial and industrial applications, this unit helps ensure consistent system performance while reducing maintenance requirements and protecting critical equipment from air intrusion and pressure loss. As one of the most dependable glycol feeders available for large-scale closed-loop systems, the GFS-50-1A delivers long-term reliability and operational efficiency.
Why Choose the Neptune GFS-50-1A?
Maintaining proper fluid levels is essential for protecting HVAC and process systems from corrosion, cavitation, and performance issues. The Neptune GFS-50-1A automatically replenishes fluid when pressure drops, helping operators maintain optimal system conditions while minimizing downtime and manual intervention.
Key Benefits
✔ Automatically maintains system pressure
✔ Reduces the risk of air entering the system
✔ Helps protect pumps, valves, and heat exchangers
✔ Supports glycol and water treatment programs
✔ Large-capacity 50-gallon reservoir
✔ Designed for commercial and industrial facilities
✔ Reduces maintenance and monitoring requirements
✔ Reliable automatic operation
Key Features
50-Gallon Reservoir Tank
The durable polyethylene tank provides ample storage capacity for glycol solutions and make-up water, helping reduce refill frequency and support continuous operation.
Automatic Pressure Maintenance
The integrated feed system automatically responds to pressure loss by introducing additional fluid into the system, helping maintain stable operating conditions.
Commercial-Grade Design
Built for demanding applications, the Neptune Model GFS-50-1A is designed to withstand continuous operation in commercial HVAC systems, industrial facilities, and institutional buildings.
Supports System Protection
By maintaining proper fluid levels, the system helps reduce corrosion risks, improve efficiency, and extend the service life of critical equipment.
Low Maintenance Operation
The automatic functionality minimizes manual adjustments and reduces the amount of routine monitoring required by facility personnel.
Common Applications
The Neptune Glycol Feeder GFS-50-1A is commonly used in:
HVAC Systems
- Chilled water systems
- Hydronic heating systems
- Closed-loop HVAC applications
- Heat pump systems
Commercial Buildings
- Office complexes
- Hotels and resorts
- Healthcare facilities
- Educational institutions
Industrial Facilities
- Manufacturing plants
- Process cooling systems
- Industrial temperature control systems
Institutional Facilities
- Universities
- Government buildings
- Hospitals
- Large campuses
Technical Specifications
| Specification | Details |
|---|---|
| Model | GFS-50-1A |
| Manufacturer | Neptune |
| Tank Capacity | 50 Gallons |
| Tank Material | Polyethylene |
| Application | Closed-Loop Systems |
| Fluid Compatibility | Glycol Solutions & Water |
| Operation | Automatic Feed System |
| Installation Type | Commercial & Industrial Applications |
Which Model Is Right for Your Facility?
| System Size | Recommended Model |
| Large Commercial Buildings | GFS-50-1A |
| Industrial Process Systems | GFS-50-1A |
The G-50-1A is often selected for larger facilities that require increased fluid capacity and dependable automatic replenishment capabilities.
How a Glycol Feed System Works
A glycol feed system automatically monitors system pressure and supplies additional fluid when pressure falls below the desired operating range. This process helps maintain system integrity, improve operating efficiency, and reduce the risk of equipment damage caused by pressure fluctuations or fluid loss.
By ensuring a consistent supply of glycol solution, the Neptune GFS-50-1A supports reliable performance in heating, cooling, and industrial process applications.
Ideal For
This model is commonly selected by:
- HVAC contractors
- Mechanical contractors
- Facility managers
- Building engineers
- Industrial maintenance teams
- Water treatment professionals
Need Help Selecting the Right Glycol Feeder?
Not sure if the Neptune GFS-50-1A is the right solution for your application?
Our specialists can help you:
- Select the correct feeder size
- Determine fluid capacity requirements
- Recommend compatible accessories
- Provide bulk pricing
- Answer installation questions
👉 Request a Quote Today
Or call (623) 624-5662 to speak with a product specialist.
Frequently Asked Questions
1. What is the purpose of the Neptune GFS-50-1A?
The Neptune G-50-1A automatically maintains fluid levels and pressure in closed-loop systems, helping improve efficiency and protect equipment.
2. Can this feeder be used with glycol solutions?
Yes. The system is designed for glycol-based heating and cooling systems as well as water-based closed-loop applications.
3. What size facility is this model best suited for?
The 50-gallon capacity makes it ideal for larger commercial buildings, institutional facilities, and industrial process systems.
4. Does the system require manual operation?
No. The unit operates automatically and introduces make-up fluid when required to maintain system pressure.
5. Can this feeder be installed in chilled water systems?
Yes. It is commonly used in chilled water systems, hydronic heating systems, and industrial cooling applications.
Download Resources:
Click here to view the data sheet.
Click here to view manual.
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