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Replacement Tube Bundles

We specialize in cross-referencing other manufacturers’ makes and model numbers, thus providing our customers with tube bundles that are of the same (or greater) quality than the original, while simultaneously matching the dimensions and performance of your existing unit.

Mainstream offers direct replacement heat exchangers and tube bundles for nearly all major manufacturers.

Get a Quote Fast


“We have had no problems at all with the fit of the custom-built replacement coils that we have purchased. They have all fit perfectly. Customer service has also been excellent.”

IMES SupervisorUSMA West Point NY

Cross-Referencing Model#s

Just send us a picture of the nameplate on the heat exchanger or water heater, and we typically will have enough information to put together a quote.

High-Quality Materials

Steel, copper, brass, stainless steel, cupro-nickel, etc. Let us know if you would like an upgrade over the existing design.

Lead Times

The standard lead times for tube bundles is 2 – 3 weeks, but expedites are nearly always available. In some cases, as fast as 24 hours is achievable.

Emergency tube bundle failure?

Send us whatever info or pictures you have, and we’ll let you know if we need any more detail. You can expect a quick response!