AltSource 70 - 4.5kW - 29kW Electric Boiler

AltSource™ – The Ideal Electric Thermal Storage Solution for Renewable Energy Heating Systems

Maximize Efficiency. Minimize Emissions. Complement Any Renewable Heat Source.

The AltSource™ electric thermal mass water heater is the only high-volume electric boiler on the market specifically designed to seamlessly integrate with renewable energy heating systems. Engineered for residential applications, AltSource™ serves as a backup and energy storage system, making it the perfect match for solar thermal systems, geothermal energy, biomass heating, wood-fired boilers, and air-to-water heat pumps.

This innovative combination of an electric boiler and thermal storage tank optimizes system performance by storing surplus energy and delivering on-demand heating, even when renewable output fluctuates.

🔋 Smart Energy Storage That Acts Like a Thermal Battery

AltSource™ uses high water volume thermal mass to store heat energy when your primary renewable source is running, then releases it when needed—just like a thermal battery. During periods of low heating demand or low renewable energy production, AltSource™ draws from its stored heat, maximizing system efficiency and lowering utility costs.

Whether you're offsetting energy from a solar heating system or boosting a low-capacity heat pump, AltSource™ ensures consistent warmth and optimized energy usage throughout the home.

🌡️ Smart Temperature Management with the T2 UltraSmart® Controller

The integrated T2 UltraSmart® smart controller ensures precise modulation of power and temperature, automatically adjusting output based on outdoor conditions and system demand. With built-in intelligence, AltSource™ provides:

• Backlit digital display and easy-to-use interface

• Pre-set configurations for a wide variety of hydronic systems

• Outdoor temperature sensor to adjust water temperature in real time

• "Boost Mode" for additional power during peak demand

• Auto pump purging during idle periods

• Temperature range: 50°F to 190°F

• Safety controls for temperature limit and low water cut-off

• Thermostat-triggered activation to reduce energy waste

• Standard 24V power supply for thermostats and system accessories

🌞 Copper Coil Heat Exchanger for Domestic Hot Water (DHW)

Enhance AltSource™ with an ultra-efficient copper coil heat exchanger for domestic hot water production. This allows you to pre-heat or fully heat potable water, delivering even more savings and reducing your home’s reliance on fossil fuels.

Connections include:

• Domestic cold water supply (¾'' SWEAT M)

• Domestic hot water output (¾'' SWEAT M)

✅ Features Include:

1. T2 UltraSmart® Smart Controller

2. Boiler Pressure Relief Valve

3. Drain Valve

4. Heating Water Supply Port

5. Heating Water Return Port

6. Electrical Panel

7. Electric Heating Elements

8. Temperature & Pressure Indicator

9. Automatic Air Vent

♻️ Perfect for Sustainable Heating Systems Including:

• Biomass boilers

• Geothermal heating

• Wood-fired systems

• Solar thermal panels

• Air-to-water heat pumps

🔧 Why Homeowners & Installers Choose AltSource™:

• The only electric high-volume thermal mass boiler on the residential market

• Ideal for net-zero energy homes and off-grid systems

• Combustion-free and emission-free heating

• Virtually maintenance-free operation

• Reduces dependency on fossil fuels

• Saves on installation costs, space, and energy bills

Looking to optimize your home’s heating system with renewable energy? The AltSource™ thermal storage boiler is your smartest choice for comfort, sustainability, and savings.