Our 1 and 2 row hot water duct booster coils are available in slip & drive, flanged or end plate only designs. Over 70+ sizes available for quick shipment in as little as 1-5 days as needed.


Fins shall be continuous type and shall have full collars to allow for expansion and contraction of fins. Fins shall be of aluminum construction with .006” thickness.


All Hot Water Duct Booster Coils shall be provided with heavy-gauge casings, tube sheets, and intermediate supports when applicable. Tube sheets shall be free of sharp edges and have properly sized holes for expansion and contraction of tubes. Intermediate supports are required every 48” of finned length and shall be bolted to top and bottom casing channels.


Seamless copper tubes shall be mechanically expanded into plate aluminum or copper fins to form an everlasting bond between primary and secondary surfaces. Tubes shall be 1/2″ O.D. with .016” thick seamless copper tube wall and staggered tube pattern. Tubes shall be 5/8” O.D. with .020” thick seamless copper tube wall and staggered tube pattern.

Pressure Testing

All coils shall be leak tested at 550 PSIG dry nitrogen pressure submerged underwater. Dual-operator verification shall determine that all coils are leak-free.


Coil connections shall be copper MPT or SWT type and shall be brazed into the manifold.


Headers (Manifolds), if required, shall be constructed of round pipe type and shall be constructed of a minimum of .060” wall seamless copper. End caps shall be rounded to prevent excessive pressure drop. All headers on coils shall be provided with proper went and drain connections.


The equipment we build is specially made to meet your exact engineering requirements, but we also understand time critical projects require quick turn around. Our expedited production program allows us to offer coil shipments in as little as 10, 5, 3 and 1 working days guaranteed.

20 Business Days
Standard Shipment
10 Business Days
Added Premium
5 Business Days
Added Premium
3, 2, & 1 Business Days
Call for Pricing & Availability


We strive to provide the most stress-free and easy to complete process in the industry. With every purchase, we provide a product-specific Installation, Operation, and Maintenance manual to help guide you through a lifetime of easy operation. Should you have any questions about your product you can contact us for further assistance.


Want to know more? Here is the full product spec sheet that lays out product-specific details that can make a difference when it comes to your system performance and longevity. If you're not seeing exactly what you need, you can reach out to one of our highly trained sales engineers and we will take it from there!


Not sure exactly what you need or how to ask for it? Fill out this easy to use step by step guide, that when completed will provide all the necessary information to our highly trained sales engineers. Not sure how to find the information needed in the drawing? Check out our how-to videos on coil measuring and drawing completion!