Contractor Pricing Available | Contact Our Team at sales@bypassfeeder.com
for Exclusive Reseller Discounts
Need Help Choosing the Right Feeder?
Speak with Our Technical Experts at (623) 624-5662 Today

ATTENTION CONTRACTORS: contact sales@bypassfeeder.com for additional resale discounts



J.L. Wingert 18HD Flat Bottom Bypass Feeder

Sale price $971.03 Regular price $1,177.00

REQUEST A QUOTE

Product Overview

The J.L. Wingert 18HD Flat Bottom Bypass Feeder is a heavy-duty chemical feed vessel designed for introducing water treatment chemicals into closed-loop HVAC, boiler, chilled water, and industrial process systems. Engineered for dependable performance, this bypass chemical feeder simplifies the addition of corrosion inhibitors, scale inhibitors, biocides, and glycol treatments while helping maintain optimal water quality and system efficiency.

Built with rugged carbon steel construction and a flat-bottom design, the 18HD feeder offers increased chemical capacity for larger commercial and industrial applications. Its durable construction, high-pressure rating, and user-friendly quarter-turn closure make it an excellent solution for facility managers, water treatment professionals, and mechanical contractors seeking reliable chemical dosing equipment.

Why Choose the J.L. Wingert 18HD Flat Bottom Bypass Feeder?

Proper water treatment is essential for extending equipment life, reducing maintenance costs, and maintaining efficient heat transfer. The J.L. Wingert 18HD allows operators to safely introduce treatment chemicals without interrupting normal system operation, making preventative maintenance faster and more effective.

Key Benefits

✔ Large-capacity vessel for commercial and industrial systems

✔ Simplifies chemical treatment procedures

✔ Supports corrosion and scale prevention programs

✔ Helps improve overall system efficiency

✔ Heavy-duty carbon steel construction

✔ Designed for long service life

✔ Easy access for chemical loading

✔ Suitable for closed-loop water systems

Key Features

Large Chemical Holding Capacity

The 18HD provides ample capacity for adding water treatment chemicals, reducing the need for frequent refilling while supporting larger hydronic and process systems.

Flat Bottom Vessel Design

The flat-bottom construction provides stable installation and simplifies maintenance, making routine servicing more convenient for facility personnel.

Heavy-Duty Carbon Steel Construction

Manufactured by J.L. Wingert, the feeder is built to withstand demanding commercial and industrial operating conditions while providing years of dependable service.

Quarter-Turn Closure

The large quarter-turn opening allows quick and convenient chemical loading while maintaining a secure seal during system operation.

High Pressure and Temperature Rating

Designed for demanding HVAC and industrial environments, the feeder is suitable for high-pressure closed-loop applications requiring reliable chemical treatment.

Common Applications

The J.L. Wingert 18HD Flat Bottom Bypass Feeder is commonly installed in:

HVAC Systems

  • Chilled water systems
  • Heating water systems
  • Hydronic loops
  • Closed-loop HVAC applications

Boiler Water Treatment

  • Commercial boiler systems
  • Steam boiler support systems
  • Condensate return systems

Industrial Facilities

  • Manufacturing plants
  • Process cooling systems
  • Industrial water treatment operations

Institutional Buildings

  • Hospitals
  • Universities
  • Schools
  • Government facilities

Technical Specifications

Specification Details
Model 18HD
Manufacturer J.L. Wingert
Feeder Type Flat Bottom Bypass Feeder
Vessel Construction Carbon Steel
Bottom Design Flat Bottom
Maximum Working Pressure 200 PSI
Maximum Operating Temperature 200°F
Connection Size 3/4" FNPT
Chemical Addition Manual
Application Closed-Loop Water Treatment Systems

Compare J.L. Wingert Flat Bottom Bypass Feeders

Feature 5HD 12HD 18HD
Chemical Capacity Small Medium Large
Construction Carbon Steel Carbon Steel Carbon Steel
Maximum Pressure 200 PSI 200 PSI 200 PSI
Maximum Temperature 200°F 200°F 200°F
Connection Size 3/4" FNPT 3/4" FNPT 3/4" FNPT
Recommended Application Small HVAC Systems Medium Commercial Buildings Large Commercial & Industrial Facilities

Which Bypass Feeder Is Right for Your System?

System Size Recommended Model
Small Closed-Loop Systems 5HD
Medium Commercial Buildings 12HD
Large Commercial Buildings 18HD
Industrial Process Systems 18HD


The 18HD model is an excellent choice for facilities requiring higher chemical capacity and dependable performance in larger water treatment applications.

How a Bypass Feeder Works

A bypass feeder is connected to a small bypass line within a closed-loop water system. As water flows through the vessel, treatment chemicals dissolve gradually before being reintroduced into the circulating system. This controlled process helps maintain proper chemical concentrations while reducing corrosion, scale formation, and biological growth.

Using a properly sized feeder allows operators to perform routine chemical treatment without shutting down the primary system, making preventative maintenance more efficient and cost-effective.

Ideal For

The J.L. Wingert 18HD is commonly selected by:

  • Mechanical contractors
  • HVAC service professionals
  • Water treatment specialists
  • Facility managers
  • Building engineers
  • Industrial maintenance teams

Need Help Selecting the Right Bypass Feeder?

Not sure if the J.L. Wingert 18HD Flat Bottom Bypass Feeder is the right choice for your application?

Our specialists can help you:

  • Select the correct feeder size
  • Determine chemical capacity 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 a bypass feeder used for?

A bypass feeder introduces water treatment chemicals into closed-loop heating, cooling, and process systems to help control corrosion, scale, and biological growth.

2. What chemicals can be added?

The feeder is commonly used with corrosion inhibitors, scale inhibitors, cleaning compounds, glycol treatments, and other compatible water treatment chemicals.

3. Is the 18HD suitable for large commercial systems?

Yes. Its larger vessel capacity makes it ideal for commercial buildings, institutional facilities, and industrial process applications requiring greater chemical volume.

4. What is the maximum operating pressure?

The J.L. Wingert 18HD is rated for operation up to 200 PSI.

5. Can chemicals be added without shutting down the system?

Yes. The feeder is specifically designed to allow chemical addition through the bypass loop without interrupting normal system operation when proper procedures are followed.

Download Resources:

Click Here for the Brochure

Click Here for the Manual

Click Here for the Specifications