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Neptune GE-50-1, 50 Gallon Glycol Feeder

Sale price $2,630.93 Regular price $3,189.00

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Product Overview

The Neptune GE-50-1, 50 Gallon Glycol Feeder is a high-capacity solution designed to maintain proper fluid levels and system pressure in closed-loop heating, cooling, and process water systems. Engineered for reliable glycol charging and automatic system replenishment, this feeder helps protect equipment from corrosion, freezing, and air infiltration while reducing maintenance requirements.

Ideal for commercial and industrial HVAC applications, the GE-50-1 features a durable 50-gallon polyethylene tank, integrated pump assembly, and automatic level control for consistent system operation. Whether you're maintaining chilled water systems, hydronic heating systems, or industrial process loops, this glycol make-up unit delivers dependable performance and long-term reliability.

Available from Bypass Feeder, the Neptune GE-50-1 is trusted by facility managers, HVAC contractors, mechanical engineers, and water treatment professionals seeking a dependable glycol feed solution.

Why Choose the Neptune GE-50-1 Glycol Feeder?

Maintaining the proper glycol concentration is essential for protecting closed-loop systems against corrosion, freezing, and equipment damage. The Neptune GE-50-1 automatically replenishes glycol solution as system pressure drops, helping maintain efficient operation while minimizing manual intervention.

Key Benefits

✔ Large 50-gallon storage capacity

✔ Automatically maintains system pressure

✔ Reduces manual glycol charging

✔ Helps prevent corrosion and freeze damage

✔ Supports closed-loop HVAC efficiency

✔ Heavy-duty polyethylene tank resists corrosion

✔ Easy installation and maintenance

✔ Reliable operation for commercial and industrial facilities

Key Features

50-Gallon Polyethylene Reservoir

The heavy-duty polyethylene tank provides ample storage capacity for glycol solution, reducing refill frequency and supporting larger commercial and industrial systems.

Automatic Glycol Feed Operation

The integrated pump and control system automatically introduces glycol solution whenever system pressure drops below the preset operating range, ensuring continuous protection and reliable performance.

Durable Corrosion-Resistant Construction

The non-corrosive polyethylene reservoir offers excellent resistance to glycol solutions and common water treatment chemicals, extending equipment life in demanding environments.

Reliable Pressure Maintenance

The GE-50-1 helps maintain consistent pressure throughout closed-loop systems, reducing air infiltration, minimizing pump cavitation, and improving overall system efficiency.

Commercial-Grade Performance

Designed for continuous operation, the Neptune GE-50-1 is suitable for demanding HVAC and industrial applications where dependable glycol management is essential.

Common Applications

The Neptune GE-50-1 is commonly installed in:

HVAC Systems

  • Chilled water systems
  • Hot water heating systems
  • Hydronic heating loops
  • Glycol circulation systems

Commercial Buildings

  • Office buildings
  • Hospitals
  • Hotels
  • Schools
  • Universities
  • Government facilities

Industrial Applications

  • Manufacturing plants
  • Process cooling systems
  • Industrial process water loops
  • Heat exchanger systems

Renewable Energy Systems

  • Geothermal systems
  • Snow melt systems
  • Solar heating systems

Technical Specifications

Specification Details
Model GE-50-1
Manufacturer Neptune
Product Type Glycol Feeder
Tank Capacity 50 Gallons
Tank Material Polyethylene
Application Closed Loop Glycol Systems
Feed Type Automatic
Installation Commercial & Industrial
Suitable Fluids Water/Glycol Solutions

Compare Neptune Glycol Feeders

Feature GE-50-1 GE-100-1
Tank Capacity 50 Gallons 100 Gallons
Feed Operation Automatic Automatic
Tank Material Polyethylene Polyethylene
Best For Medium to Large Systems Large Industrial Systems
Closed Loop Applications
HVAC Systems
Commercial Buildings
Industrial Facilities

Which Glycol Feeder Is Right for Your System?

System Size Recommended Model
Medium Commercial Buildings GE-50-1
Large Commercial Facilities GE-100-1
Industrial Process Systems GE-100-1


The GE-50-1 is an excellent choice for medium to large commercial HVAC systems where increased glycol storage capacity and reliable automatic operation are required.

How a Glycol Feeder Works

A glycol feeder continuously monitors system pressure within a closed-loop heating or cooling system. When pressure decreases due to minor fluid losses or maintenance activities, the feeder automatically pumps glycol solution into the system to restore the desired operating pressure.

Maintaining proper glycol concentration protects piping, pumps, valves, and heat exchangers from freezing, corrosion, and costly downtime while improving overall system efficiency.

Ideal For

The Neptune GE-50-1 is recommended for:

  • HVAC contractors
  • Mechanical contractors
  • Facility managers
  • Building engineers
  • Industrial maintenance teams
  • Water treatment professionals
  • Commercial property managers

Need Help Selecting the Right Glycol Feeder?

Not sure if the Neptune GE-50-1 is the right solution for your system?

Our technical specialists can help you:

  • Select the proper feeder capacity
  • Determine glycol requirements
  • Recommend compatible accessories
  • Provide volume 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 Neptune GE-50-1 used for?

The GE-50-1 automatically adds glycol solution to closed-loop heating and cooling systems to maintain proper pressure and glycol concentration.

2. What systems can this feeder be used with?

It is suitable for chilled water systems, hydronic heating systems, process cooling loops, geothermal systems, and other commercial or industrial closed-loop applications.

3. Why is glycol important in closed-loop systems?

Glycol helps protect equipment and piping from freezing while also reducing corrosion and improving long-term system reliability.

4. Is the tank resistant to corrosion?

Yes. The 50-gallon polyethylene reservoir is highly resistant to corrosion and compatible with most water/glycol solutions.

5. Does the feeder operate automatically?

Yes. The integrated control system automatically replenishes glycol solution whenever system pressure drops below the desired operating level.

Download Resources:

Click here to view data sheet.

Click here to view manual