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Product Overview
The Neptune GFS-50-2A-LP Dual 50 Gallon Glycol Feeder is a high-capacity automatic make-up system designed to maintain proper fluid levels and system pressure in commercial and industrial closed-loop heating and cooling systems. Featuring dual 50-gallon reservoirs, this advanced Neptune GS-50-2A-LP configuration provides increased fluid storage capacity and enhanced operational reliability for demanding applications where uninterrupted system performance is critical. Ideal for HVAC systems, chilled water loops, hydronic heating systems, and industrial process applications, this feeder helps reduce maintenance requirements while protecting valuable equipment from pressure loss and air infiltration.
Why Choose the Neptune GFS-50-2A-LP?
Maintaining proper pressure and fluid levels is essential for ensuring efficient system operation and protecting equipment from costly downtime. The GFS-50-2A-LP automatically replenishes fluid as needed, helping operators maintain stable system conditions while minimizing manual intervention.
Key Benefits
✔ Dual-tank design for increased fluid capacity
✔ Automatic pressure maintenance
✔ Reduces the risk of air entering the system
✔ Helps prevent corrosion and equipment damage
✔ Supports glycol and water treatment programs
✔ Suitable for large commercial and industrial facilities
✔ Improves system reliability and efficiency
✔ Reduces maintenance and monitoring requirements
Key Features
Dual 50-Gallon Reservoir Design
The dual-tank configuration provides substantial fluid storage capacity, making the system ideal for larger facilities and applications requiring extended operational support.
Automatic Feed Operation
The integrated feed assembly automatically introduces make-up fluid whenever pressure drops below desired operating levels, helping maintain optimal system performance.
Enhanced System Reliability
With increased fluid reserves and automatic operation, the GFS-50-2A-LP helps reduce downtime while ensuring consistent pressure maintenance across the system.
Commercial-Grade Construction
Designed for demanding HVAC and industrial applications, this feeder is built for long-term durability and dependable performance.
Supports Closed-Loop System Protection
Proper pressure maintenance helps reduce air infiltration, corrosion risks, pump wear, and system inefficiencies that can negatively impact equipment performance.
Common Applications
The Neptune GFS-50-2A-LP is commonly used in:
Commercial HVAC Systems
- Chilled water systems
- Hydronic heating systems
- Closed-loop HVAC applications
- District energy systems
Industrial Facilities
- Manufacturing plants
- Process cooling systems
- Industrial temperature control systems
Institutional Buildings
- Hospitals
- Universities
- Government facilities
- Large commercial campuses
Mechanical Contractor Projects
- New construction projects
- Facility expansions
- System upgrades and retrofits
Technical Specifications
| Specification | Details |
|---|---|
| Model | GFS-50-2A-LP |
| Manufacturer | Neptune |
| Tank Configuration | Dual Reservoir |
| Tank Capacity | 50 Gallons Each |
| Application | Closed-Loop Systems |
| Fluid Compatibility | Glycol Solutions & Water |
| Operation | Automatic Feed System |
| Installation Type | Commercial & Industrial Applications |
Compare Neptune Glycol Feed Systems
| Feature | GFS-50-1A Series | GFS-50-2A-LP |
| Reservoir Capacity | 50 Gallons | Dual 50 Gallons |
| Automatic Feed Operation | Yes | Yes |
| Glycol Compatibility | Yes | Yes |
| Commercial HVAC Applications | Yes | Yes |
| Industrial Applications | High | Extensive |
| Fluid Storage Capacity | High | Maximum |
| Recommended Facility Size | Large | Large & Critical Facilities |
Which Model Is Right for Your Facility?
| Facility Type | Recommended Model |
| Large Commercial Facilities | GFS-50-1A Series |
| Hospitals & Critical Facilities | GFS-50-2A-LP |
| Industrial Process Systems | GFS-50-2A-LP |
The dual-tank design makes the GFS-50-2A-LP an excellent choice for applications requiring extended operation and increased fluid reserves.
How a Dual Glycol Feeder Works
A dual glycol feeder continuously monitors system pressure and automatically supplies make-up fluid when required. The dual reservoir configuration provides additional storage capacity, reducing refill frequency and ensuring sufficient fluid availability for larger systems.
In facilities where reliability is essential, having an adequately sized glycol feeder tank can help support uninterrupted operation while minimizing maintenance demands.
Ideal For
This system 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-50-2A-LP is the best fit for your application?
Our specialists can help you:
- Select the proper system size
- Determine fluid storage 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-50-2A-LP?
The system automatically maintains fluid levels and pressure within closed-loop heating and cooling systems, helping improve efficiency and equipment protection.
2. Why choose a dual-tank glycol feeder?
Dual reservoirs provide increased storage capacity, extended operating time between refills, and enhanced support for larger systems.
3. Can this feeder be used with glycol solutions?
Yes. The GFS-50-2A-LP is designed for glycol-based systems as well as water-based closed-loop applications.
4. What facilities benefit most from this model?
Large commercial buildings, hospitals, universities, manufacturing facilities, and industrial process systems commonly utilize this feeder.
5. Does the system operate automatically?
Yes. The feeder automatically introduces make-up fluid whenever system pressure requires replenishment.
Download Resources:
Click here to view the data sheet.
Click here to view manual.
Actual product may differ from what is shown.