direct contact water heaters

Direct Contact Water Heaters

DIRECT CONTACT WATER HEATERS

Waiting for Hot Water Costs Time and Money

Industrial operations depend on a reliable supply of hot water. Slow heat-up times, inefficient systems, and inconsistent water temperatures can interrupt production, increase energy costs, and make it harder to keep up with demand.

Direct Contact Water Heaters With Up To 99% Efficiency

Direct contact water heaters provide hot water quickly and efficiently by transferring heat directly to the water, eliminating the delays associated with traditional indirect heating systems.

  • Up to 99% Thermal Efficiency: Put more of your energy directly into heating water
  • Instant Hot Water: Get water up to 180°F without long warm-up or recovery times
  • Lower Energy Costs: Achieve up to 30–40% energy savings compared with boiler systems
  • Consistent Supply: Maintain stable hot water output as production demands change
  • Compact System Design: Reduce floor space and eliminate unnecessary heat-transfer components

R.W. Martin Process Water Solutions supplies direct contact water heaters for commercial laundry, concrete, food and beverage, and other high-volume industrial applications.

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EllisLudell Direct Contact Water Heater Features and Benefits

  • NSF certified for sanitation-critical applications
  • Up to 99% thermal efficiency
  • Provides instant 180°F water — up to 800 GPM
  • Compact, space-saving design
  • 30–40% energy savings compared to boilers
  • Uses hard water (up to 20 grains) — no softeners needed
  • ASME pressure vessel construction for durability
  • 10:1 turndown burner for efficient operation
  • UL-listed controls and safety systems
  • Non-proprietary components for easier service
  • Custom burner and combustion chamber design for cleaner operation
  • Single or twin-tower configurations available
EllisLudell Direct Contact Water Heater
EllisLudell Mini Direct Contact Water Heater

EllisLudell Mini Direct Contact Water Heater Features and Benefits

  • 99.8% thermal efficiency
  • Provides instant hot water – no warm-up time required
  • Uses hard water (up to 20 grains) – no softening needed
  • Compact design – minimal floor space required
  • No fireman license needed
  • Non-pressurized stainless steel vessel
  • Spray nozzle design ensures consistent heat transfer
  • 30–40% fuel savings over traditional indirect systems
  • USDA sanitation compliant

What Is Direct Contact Water Heating?

Many businesses choose direct-contact water heaters over traditional boilers due to their cost-efficiency, enhanced safety features, and compact design. These systems are ideal for a wide range of high volume, industrial applications and offer significant operational advantages. For example, direct-contact water heaters typically eliminate the need for separate boiler insurance or certified boiler operators, streamlining compliance and reducing overhead.

A direct contact Water heater the most efficient method of heating large volumes of hot water quickly.

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Our commitment is to keep your operations running smoothly backed by over 50 years of expertise. Whether it’s replacing outdated boilers or planning new systems, we are your one-stop shop for all water heating equipment needs.

EllisLudell direct contact water heaters

Direct Contact Water Heater FAQs

A direct contact heater improves day-to-day operations by delivering consistent hot water exactly when and where it’s needed. By eliminating heat transfer surfaces and heating water through direct contact, these systems reduce delays and simplify the overall process.

  • Provides instant hot water at required temperatures, eliminating wait times between cycles or batches
  • Maintains stable and consistent output temperatures, helping ensure repeatable process results
  • Simplifies system design by removing heat exchangers and steam components, reducing potential points of failure
  • Reduces downtime and operational interruptions, supporting continuous production
  • Improves system responsiveness to changing demand, especially in high-usage environments
  • Supports efficient integration into existing plant systems, including storage tanks and process lines

By improving responsiveness, consistency, and system simplicity, a direct contact heater helps facilities maintain smooth, uninterrupted operations while meeting production demands.

Hot water is instantly delivered by a direct contact hot water heater in a single pass, eliminating the need for storage or recovery time. This allows facilities to maintain consistent operations while improving energy efficiency through direct heat transfer.

For operations that rely on a steady and reliable hot water supply, a direct contact system offers a practical solution that supports performance, simplifies system design, and adapts to changing production demands.

A direct contact water heater simplifies industrial water heating by eliminating the need for heat exchangers, steam systems, and additional components. By using direct heat transfer, it reduces system complexity while maintaining efficient and reliable performance.

With fewer components involved, facilities benefit from easier installation, reduced maintenance requirements, and fewer issues such as scaling or fouling commonly found in indirect heating systems.

Flexible Integration of a Direct-Contact Water Heater

This simplified system design also makes a direct-contact water heater easier to integrate into existing plant operations. It can be incorporated with minimal disruption, making it suitable for both system upgrades and new installations.

Its ability to respond to changing demand supports consistent hot water availability, helping facilities maintain steady operations without requiring major infrastructure changes.

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