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Purpose-Built Heat Exchange Solutions

Legacy Solutions

We look beyond standard thermodynamics to resolve complex mechanical room challenges through intelligent, modular engineering. Featuring interchangeable multi-pass heads and extractable tube bundles, our specialized product lines achieve peak thermal efficiency even within highly restrictive footprints.

Browse Our Full Product Range
AIC legacy models: C-Line titanium pool heater and LENS shell and tube heat exchanger

Our products and manufacturing process are fully certified to the highest extent of industry standards.

Your specifications. Built to Last.

  • Ultimate Corrosion Resistance

    C-Line

    The Solution: The C-Line combines a premium titanium coil with a reinforced thermoplastic shell to deliver unparalleled corrosion resistance. This simple, elegant design is engineered specifically to withstand highly chlorinated and saltwater environments, ensuring reliable, long-lasting pool and spa heating.

    System Integration: Designed for maximum versatility, the unit features a removable tube bundle, direct PVC slip connections, and adaptable vertical or horizontal mounting options to easily integrate into any residential or commercial pool setup.

    AIC C-Line titanium pool heater

  • Unprecedented Versatility in Modular Heat Transfer

    LNS-Line

    The Solution: The LENS series features a compact, rugged 316L stainless steel design that delivers high flow rates with low pressure drops. Its modular construction adapts effortlessly to demanding thermal applications, from steam condensation to process cooling.

    System Integration: Highly scalable, the system configures from single units to multi-sectional structures. With removable heads, versatile connections, and dual vertical/horizontal operation, it can be customized to fit virtually any footprint.

    AIC LENS precision shell and tube heat exchanger
Technician servicing pool equipment beside a swimming pool

Seamless Integration. Maximum Competitiveness.

The Strategic Advantage of Legacy Solutions Frameworks

When you integrate a Legacy Solutions heat exchanger into your product or plant, you are gaining more than a component, you are gaining a performance guarantee. We understand that OEM solutions must balance reliability, cost-effectiveness, and ease of installation.

By utilizing our advanced geometries, from the high-density flow of our LENS industrial units to the specialized, corrosion-resistant condensing capabilities of our C-Line pool series, we help you reduce the overall footprint of your equipment while increasing its market competitiveness.

Common Questions

Material limits are strictly determined by the product line you select to match your process:

  • LENS Series: Built for high-stress environments, handling up to 150 PSI (Tubes) / 300 PSI (Shell) and temperatures up to 375°F (Tube side) / 422°F (Shell side).
  • C-Line Series: Optimized for high-flow fluid applications, handling up to 70 PSI on both tube and shell sides, with maximum heating water temperatures up to 210°F.

Versatility is a core engineering principle of our product lines. Both the C-Line and LENS Series are specifically engineered to operate at peak thermal efficiency in both horizontal and vertical mounting positions. This omnidirectional mounting capability allows plant managers and OEM designers to adapt the installation seamlessly to their existing piping layouts and tight mechanical footprints.

Traditional shell and tube exchangers often require massive footprints due to rigid, oversized designs and the clearance needed to service them. Our intelligent, modular architectures utilize optimized internal geometries—such as the high-density matrix in the LENS series—to pack more heat transfer surface area into a smaller envelope. Furthermore, features like interchangeable heads and extractable tube bundles mean maintenance can be performed within highly restrictive spatial boundaries.

The core difference lies in their metallurgy and intended application environments. The C-Line Series features a premium titanium coil housed in a reinforced thermoplastic shell, making it uniquely immune to high-salinity and heavily chlorinated environments like commercial pools and spas. The LENS Series is a highly adaptive, modular system constructed entirely of 316L Stainless Steel, engineered to handle extreme temperatures and pressures in demanding industrial processes, steam condensing, and hydronic systems.

Side view of a large plate and frame heat exchanger connected to process piping

Start Your Build with AIC

Whether your project requires a scalable industrial steam condenser or a completely corrosion-resistant aquatic heater, our design team is standing by to map out your precise specifications.

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