bth ULTRA 240V - Electric Boiler 12 kW - 36 kW

BTH ULTRA™ Electric Boilers – Maximum Efficiency, Optimal Performance

The BTH ULTRA™ electric boiler series delivers exceptional energy efficiency, reliable performance, and a compact design—making it the ideal solution for a wide range of residential, commercial, and institutional heating applications. Lightweight, versatile, and built for long-lasting use, the BTH ULTRA™ offers high-performance heating for any hydronic hot water system.

⚡ High-Performance Electric Boilers for Any Application

Available in multiple power outputs from 12 kW to 36 kW and compatible with a variety of voltage configurations, the BTH ULTRA™ electric boiler adapts seamlessly to any heating requirement. Whether you're heating a condo, single-family home, commercial building, or institutional facility, BTH ULTRA™ delivers quiet, clean, and consistent heating.

Key Features:

• Power range: 12 kW to 36 kW

• Multiple voltage options for flexible integration

• Ultra-quiet operation—perfect for noise-sensitive environments

• Ideal for new installations or boiler replacements

🏠 Compact, Easy-to-Install Wall-Mounted Design

The compact footprint of the BTH ULTRA™ makes it easy to install in tight spaces such as closets, utility rooms, or mechanical areas. With multiple piping connection options, installation is fast and adaptable—perfect for both retrofits and new construction.

Installation Benefits:

• Wall-mounted to save space

• Lightweight and robust construction

• Simplified piping configuration

• Compatible with auxiliary heaters for dual-energy systems

🌿 Eco-Friendly, Zero Emissions Heating

The BTH ULTRA™ is a green heating solution that produces zero combustion emissions or greenhouse gases (GHGs). Combined with its UltraSmart™ T2 controller, it delivers precise temperature control for optimized comfort and energy use—while keeping maintenance to a minimum.

Energy-Efficient Advantages:

• No combustion = zero emissions

• UltraSmart™ controller for intelligent heating control

• Simple maintenance requirements

• Compatible with renewable energy systems

🔥 Versatile Applications

BTH ULTRA™ electric boilers are engineered to power a wide range of hydronic heating systems:

• Radiant heated floors

• Hot water baseboards

• Wall-mounted radiators

• Supplemental systems for geothermal, biomass, heat pump, or solar energy systems

🛠️ Technical Features & Specifications

• Automatic outdoor temperature modulation: Stops heating when the weather warms

• Boost mode: Increases heat during high-demand periods

• Thermostat-triggered operation: Efficient energy use

• Pump purge function: Maintains optimal performance

• Temperature range: Adjustable from 50 °F to 190 °F

• Safety features: High-limit control and 30 PSI relief valve

• Breakers included: On 33 & 36 kW residential models

• Electrical compatibility: 24V for thermostats/accessories; 208–240V supply

• Drain and purge valves for easy servicing

• 4 inlet/outlet connections for flexible piping

✅ Why Choose BTH ULTRA™ Electric Boilers?

• Energy-efficient and eco-conscious

• Whisper-quiet, clean operation

• Compact size ideal for small mechanical rooms

• Compatible with a wide range of heating systems

• Easy to install, easy to maintain

Upgrade your heating system with BTH ULTRA™—the smart, sustainable choice for high-efficiency hydronic heating.