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Thermo2000  |  SKU: TURBOMAX 120-9A 125

TURBOMAX 120-9A 125 Instantaneous Indirect Water Heater

Regular price $7,518.70
Shipping calculated at checkout.

Thermo2000 TurboMax 120-9 – High-Efficiency Instantaneous Indirect Water Heater

Looking for a powerful, energy-smart solution for large residential, multi-unit, or light commercial hot water needs? The Thermo2000 TurboMax 120-9 is a high-performance indirect water heater that delivers consistent, on-demand domestic hot water with exceptional efficiency and speed. With an increased thermal mass and advanced heat transfer design, the TurboMax 120-9 can heat water from 40°F to 140°F in mere seconds—delivering rapid output without standby losses, while reducing energy consumption by up to 30% compared to traditional systems.

Built for demanding applications, the TurboMax 120-9 features a copper coil heat exchanger with 99% thermal efficiency, a rugged steel tank, and eco-conscious 2" HFC-free polyurethane insulation. It integrates seamlessly with boilers, heat pumps, geothermal systems, and solar thermal setups, making it a smart, flexible solution for high-volume domestic hot water production.

Enhanced Capacity & Performance – TurboMax 120-9A 125

The Thermo2000 TurboMax 120-9A 125 features a larger 125-gallon capacity and a higher BTU input of 425,000 BTU/h, allowing it to meet higher peak hot water demands. The source information distinguishes this model from the standard TurboMax 120-9 and notes improved thermal performance for faster recovery and more consistent delivery in commercial or high-demand residential applications.


🔥 Key Benefits of the Thermo2000 TurboMax 120-9

  • Instant Hot Water: Immediate domestic hot water with no wait time or temperature fluctuations
  • Ultra-Efficient Copper Heat Exchanger: Transfers heat up to 17x faster than stainless steel alternatives
  • 120-Gallon Thermal Mass: Handles high-demand usage with ease, ensuring reliable supply
  • Hygienic & Safe: No stagnant water zones, helping prevent scale and bacteria buildup
  • Energy Savings Up to 30%: Cuts heating costs without compromising performance
  • Zero Maintenance Required: No flushing, descaling, or regular service necessary
  • Compact, Vertical Footprint: Saves space while delivering high output
  • Sustainable Design: Insulated with HFC-free polyurethane foam

🔧 TurboMax 120-9 Specifications

  • 99% thermal efficiency
  • Instantaneous hot water production
  • 120-gallon thermal mass
  • Designed for systems up to 9 GPM domestic hot water draw
  • 2" thick HFC-free insulation
  • No internal circulation pump needed
  • Compatible with all hydronic heating sources
  • Flexible plumbing connections for easy installation
  • 15-year residential / 10-year commercial warranty

🔩 Standard Connection Ports

  • Domestic cold water inlet
  • Domestic hot water outlet
  • Hydronic heating supply and return
  • Temperature and pressure indicator
  • Immersion well for temperature sensor
  • Pressure relief valve
  • Automatic air vent
  • Tank drain valve
  • Adjustable aquastat and support feet

✅ Why Homeowners and Professionals Choose the TurboMax 120-9

Whether you're retrofitting an aging system or specifying new construction, the TurboMax 120-9 delivers outstanding value and reliability.

It’s especially well-suited for:

  • Large residential properties
  • Multi-unit housing developments
  • Commercial kitchens, gyms, clinics, and offices
  • Energy-efficient buildings and green projects

Dimensions & Measurements

Height 77-7/16"
Diameter 28"
Capacity 120 Gallons
BTU Input 545,000 BTU
Weight 450 lbs
Domestic Water Connections 2" Sweat M

🔒 Industry-Leading Warranty & Peace of Mind

Backed by a 15-year residential and 10-year commercial warranty, the TurboMax 120-9 is engineered for long-lasting, maintenance-free operation. No flushing. No descaling. Just reliable, consistent hot water for decades.


💧 Ready to Upgrade to the TurboMax 120-9?

Experience the next level in energy-efficient water heating. The TurboMax 120-9 offers the performance and reliability professionals trust with the sustainability and simplicity today’s buildings demand. Contact us to request a quote, speak with an expert, or get installation support.

Technical Documents

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