BTH Ultra Electric Boiler

Description

The bth ULTRA electric boiler delivers quiet, energy-efficient heating for homes, condos, and commercial spaces. Compact and versatile, it’s available from 7 kW to 36 kW with multiple voltage options and can pair with an auxiliary heater for a dual-energy setup. Its T2 UltraSmart™ controller ensures precise temperature control, while a 15-year reservoir warranty and 2-year parts warranty provide lasting reliability—clean, green, and built for comfort.

Features

• High efficiency for maximum performance and energy savings
• Ultra-quiet operation
• Compact, space-saving design
• Power range from 7 kW to 36 kW with multiple voltage options
• Compatible with auxiliary heaters for dual-energy systems
• T2 UltraSmart™ controller for precise temperature management
• Eco-friendly, 100% electric operation
• 15-year reservoir warranty and 2-year parts warranty

Models

• ULTRA 12 – 12 kW
• ULTRA 15 – 15 kW
• ULTRA 18 – 18 kW
• ULTRA 20 – 20 kW
• ULTRA 24 – 24 kW
• ULTRA 27 – 27 kW
• ULTRA 29 – 29 kW
• ULTRA 33 – 33 kW
• ULTRA 36 – 36 kW

Documents

• Flyer
• Residential manual
• Commercial manual

Mini Ultra Electric Boiler

Description

The Thermo 2000 mini ULTRA electric boiler is a compact, ultra-silent, wall-mounted unit designed for hydronic heating in single-family homes and condominiums. It produces no combustion or greenhouse gas emissions, offering a clean and energy-efficient heating solution. Equipped with the T2 UltraSmart™ controller for enhanced performance, it provides precise temperature control and optimized efficiency. Each unit includes a 15-year warranty on the reservoir and a 2-year warranty on electrical and mechanical parts.

Features

• Compact, wall-mounted design for easy installation
• Ultra-silent operation
• 100% electric – no combustion or GHG emissions
• T2 UltraSmart™ controller for optimized performance and temperature management
• Ideal for hydronic heating systems (radiators, floor heating, baseboards)
• Highly energy-efficient operation
• 15-year reservoir warranty and 2-year warranty on parts

Models

• mini ULTRA 3 kW (single-phase 208/240 V)
• mini ULTRA 4.5 kW (single-phase 208/240 V)
• mini ULTRA 6 kW (single-phase 208/240 V)
• mini ULTRA 7.5 kW (single-phase 208/240 V)
• mini ULTRA 9 kW (single-phase 208/240 V)
• mini ULTRA 12 kW (single-phase 208/240 V)

Documents

• Flyer
• Manual

TurboMax Instantaneous Indirect Water Heaters

Description

The TurboMax, Thermo 2000’s instantaneous indirect hot water heater, is the ideal solution for domestic water heating in residential, commercial, and institutional applications. It instantly heats potable water upon demand—from 40 °F to 140 °F in less than 7 seconds. Ingenious!

The TurboMax features an unmatched high thermal exchange capacity and provides exceptional, high-quality hot water. With a lifespan of over 30 years, it is covered by a 15-year residential warranty and a 10-year commercial warranty.

Features

• Instantaneous domestic hot water production (40 °F to 140 °F in under 7 seconds)
• High-efficiency copper heat exchanger for superior thermal transfer
• No stagnant water, reducing risk of scale build-up or bacteria (e.g., Legionella)
• Compatible with all heat sources: gas, oil, electric, wood, or solar
• Durable construction: heavy-duty steel tank, high-grade copper coils, and thick insulation
• Long lifespan with 15-year residential / 10-year commercial warranty

Models

• TurboMax 30-3
• TurboMax 50-3
• TurboMax 50-5
• TurboMax 80-5
• TurboMax 80-5A
• TurboMax 120-9
• TurboMax 120-9A (125)
• TurboMax 120-9A (200)

Documents

• Flyer
• Specifications
• Manual
• Performance Table
• Commercial sizing guide
• Residential sizing guide
• Equivalence Chart
• Installation drawings

Buffmax Buffer Tank

Description

The BuffMax from Thermo 2000 is a versatile 3-in-1 solution that functions as a buffer tank, storage tank, and hydraulic separator. It optimizes the performance of a wide range of heating systems including low-mass boilers, biomass systems, geothermal and heat pump applications, multi-zone systems, and solar energy systems.

With enhanced polyurethane insulation, BuffMax standard models (20–120 gallons, non-ASME) are compatible with both heating and chilled water applications, offering efficiency and versatility in a single product. Each unit is backed by a 5-year warranty on the tank and a 2-year warranty on mechanical parts.

Features

• 3-in-1 design: buffer, storage, and hydraulic separator
• Optimizes system performance and reduces cycling
• Compatible with heating and chilled water systems
• Works with low-mass boilers, heat pumps, geothermal, solar, and biomass systems
• Heavy-duty steel construction with durable coating
• High-performance polyurethane insulation for energy savings
• Multiple connection ports for flexible installation
• Vertical design for space efficiency
• 5-year tank warranty / 2-year parts warranty

Models

• BuffMax 20
• BuffMax 40
• BuffMax 50
• BuffMax 80
• BuffMax 120

Documents

• Flyer
• Manual
• Specifications

ComboMax Ultra Electric Boiler With Instantaneous Domestic Hot Water Heater

Description

The ComboMax ULTRA from Thermo 2000 is a 2-in-1 electric boiler and instantaneous water heater designed for residential applications. This innovative system delivers both space heating and domestic hot water with exceptional efficiency and reliability. Available in two sizes with performance levels ranging from 4.5 kW to 29 kW, it can easily heat buildings up to 4,750 sq. ft. while producing hot water in under 7 seconds.

Compact and nearly maintenance-free, the ComboMax ULTRA saves space, provides excellent water quality, and offers a long service life. Its T2 UltraSmart™ controller ensures precise temperature management and optimal comfort. The unit is backed by a 15-year warranty on the tank and a 2-year warranty on electrical and mechanical parts.

Features

• 2-in-1 system: electric boiler + instantaneous water heater
• Delivers domestic hot water in less than 7 seconds
• Heats spaces up to 4,750 sq. ft.
• Highly energy-efficient and virtually maintenance-free
• Compact design saves installation space
• Provides high-quality, clean water with no combustion emissions
• Equipped with T2 UltraSmart™ controller for precise temperature control
• Long lifespan with minimal upkeep
• 15-year tank warranty / 2-year parts warranty

Models

• ComboMax ULTRA 50
• ComboMax ULTRA 70

Documents

• Flyer
• Specifications
• Selection Guide
• Manual
• Comparative analysis

VenTum Hydronic Air Handler

Description

The Thermo 2000 VenTum hydronic air handler delivers precise, year-round comfort for single-family homes and light commercial buildings. Designed to integrate seamlessly into new or existing centralized systems, it provides efficient heating during colder months when paired with a boiler or water heater, and effective cooling in summer when combined with a heat pump or air conditioning system.

Quiet, durable, and energy-efficient even at low temperatures, the VenTum ensures consistent comfort throughout every season. It features a front electronic controller for simple operation, quick installation, and real-time temperature information for fine-tuned adjustments.

The VenTum is backed by a 2-year warranty on all electronic and mechanical components.

Features

• Provides heating and cooling for year-round comfort
• Compatible with boilers, water heaters, heat pumps, and air conditioners
• Quiet operation and efficient performance at low temperatures
• Front-mounted electronic controller for easy setup and precise control
• Real-time system information for accurate temperature adjustments
• Compact, durable, and easy to install
• Ideal for residential or light commercial applications
• 2-year warranty on electronic and mechanical components

Models

• VenTum 40
• VenTum 60

Documents

• Flyer
• Manual

AltSource Electric High-Volume Boiler

Description

The AltSource™ is the only high-volume electric boiler on the market — a unique combination boiler and storage tank designed for residential applications. Serving as a backup energy source to a primary heating system, it maximizes performance and efficiency while reducing energy consumption. Compact, eco-friendly, and nearly maintenance-free, the AltSource™ delivers both reliability and sustainability in one unit.

Equipped with the T2 UltraSmart® controller, it provides precise temperature management and consistent comfort year-round. Built for long-lasting performance, the AltSource™ is backed by a 15-year warranty on the reservoir and a 2-year warranty on electrical and mechanical components.

Features

• High-volume electric boiler with integrated storage tank
• Ideal backup for renewable or hybrid energy systems
• Maximizes energy efficiency and reduces consumption
• Compact, space-saving design
• Eco-friendly and low-maintenance operation
• T2 UltraSmart® controller for precise temperature control
• Durable and robust construction
• 15-year tank warranty / 2-year parts warranty

Models

• AltSource 50
• AltSource 70

Documents

• Flyer
• Manual

DoubleMax Instantaneous Indirect Double-Wall Water Heater

Description

The DoubleMax from Thermo 2000 is an instantaneous indirect hot water heater designed specifically for commercial applications where the heat transfer liquid may be classified as toxic. Engineered for safety and performance, it features an innovative double-wall copper heat exchanger that provides 17 times higher thermal conductivity than stainless steel, greatly reducing the risk of cross-contamination while delivering exceptional efficiency.

Compatible with all thermal energy sources, the DoubleMax provides maximum protection, high thermal exchange capacity, and outstanding durability. With a life expectancy of over 30 years, it comes with a 15-year residential warranty and a 10-year commercial warranty.

Features

• Instantaneous indirect water heater for commercial use
• Double-wall copper heat exchanger for superior heat transfer and safety
• Prevents cross-contamination in systems using toxic heat transfer fluids
• 17× higher thermal conductivity than stainless steel
• Compatible with all heat sources (boilers, solar, geothermal, etc.)
• Exceptional energy efficiency and long-term reliability
• Over 30-year lifespan
• 15-year residential / 10-year commercial warranty

Models

• DoubleMax 50-4
• DoubleMax 80-5
• DoubleMax 120-9
• DoubleMax 120-9A

Documents

• Flyer
• Specifications
• Performance table
• Manual
• Commercial sizing guide
• Residential sizing guide

BTH Ultra XL

Description

The bth ULTRA XL from Thermo 2000 is a high-performance commercial electric boiler designed for optimal efficiency, compactness, and ease of installation. Equipped with the T2 UltraSmart® controller, it ensures precise temperature and power management, maximizing both comfort and energy performance.

The bth ULTRA XL can be paired with an auxiliary boiler for a dual-energy system, making it ideal for geothermal, heat pump, wood-fired, biomass, or solar energy applications. Lightweight, durable, and reliable, this electric boiler is built to last and backed by a 10-year warranty on the reservoir and a 2-year warranty on electrical and mechanical parts.

Features

• High-performance electric boiler for commercial use
• Compact, lightweight, and easy to install
• Equipped with T2 UltraSmart® controller for precise control and efficiency
• Can be combined with an auxiliary boiler for dual-energy operation
• Compatible with geothermal, heat pump, wood, biomass, or solar systems
• Quiet, clean, and low-maintenance operation
• Reliable, durable construction
• 10-year tank warranty / 2-year parts warranty

Models

• bth ULTRA XL 40
• bth ULTRA XL 48
• bth ULTRA XL 60
• bth ULTRA XL 72

Documents

• Flyer
• Specifications
• Manual

VoltMax Electric Boiler

Description

The VoltMax electric boiler from Thermo 2000 is engineered to deliver efficient, reliable performance for commercial, institutional, and industrial hydronic heating systems. Designed for flexibility, it’s available in multiple single-phase and three-phase voltage configurations to suit a wide range of installations.

With its compact design and minimal clearance requirements, the VoltMax is perfect for tight mechanical rooms. Its easy-to-use electronic controller optimizes boiler performance and minimizes energy costs by ensuring precise temperature and power management. Durable, efficient, and low-maintenance, the VoltMax provides consistent comfort and performance for demanding applications.

Each unit includes a 10-year warranty on the reservoir and a 2-year warranty on electrical and mechanical components.

Features

• High-performance electric boiler for commercial, institutional, and industrial use
• Available in single-phase and three-phase voltages
• Compact design ideal for limited spaces
• Simple electronic controller for efficient operation
• Precise temperature and power control
• Low-maintenance and energy-efficient
• Durable and reliable construction
• 10-year tank warranty / 2-year parts warranty

Models

• 22.5 kW to 400 kW

Documents

• Flyer
• Specifications
• Manual