Thermolec 20 KW Dual Fuel Electic Boiler B-20U FFB

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Thermolec 20 KW Dual Fuel Electic Boiler B-20U FFB
SKU: B-20U FFB (New)
AVAILABILITY: Available For Order

California Residents Only - Warning :

Cancer and Reproductive harm -

Quick Overview

Dual-energy boilers for fossil fuel backup or standalone installations
Cozy comfort and improved efficiency while saving you money. Feel the comfort of hot water heating controlled by advanced electronics. Standard models now include great features like a modulating electronic controller with outdoor sensor as well as integrated load management control. Modulating control with solid state relays adjusts the heat output by silently pulsing part of the boiler to keep the temperature stable. On warmer days the outdoor sensor will limit the water temperature based on the outside temperature so that your home isn’t wasting energy. The load management control works with dual energy systems where the electric utility company will control whether you heat with electricity or an alternate source such as oil or gas and offer a reduced rate as a result.
Thermolec’s electric boilers are built to last with durable, corrosion resistant stainless steel heat generator vessels. How durable? We guarantee the tank and elements for a period of 10 years. The aluminum outer shell and stainless steel tank combination makes this unit ultra-resistant to corrosion and reduces the weight for easy installation.

Thermolec electric boilers offer the latest technology for radiant floor, baseboard and other hydronic heating applications. They are 100% efficient and include an outdoor sensor and reset control to adjust supply water temperature based on outdoor temperature, improving comfort and saving energy.  Full modulation is a standard feature, making this boiler ideal for multiple zone systems.  This is the only electric boiler on the market with a corrosion resistant stainless steel heat generator tank, 

Themolec boilers are compact, light weight and designed to be quickly and easily installed on a wall, requiring very little space. These boilers can significantly reduce the total installed cost of a hot water heating system as compared to a fossil fuel boiler since they are typically less expensive and require no gas piping or venting.

Heavy-duty, fully insulated heat generator (10 years warranty)
Pre-wired elements electronically controlled for full modulation
Low-watt density Incoloy elements (10 years warranty)
High-limit thermal protection
Approved for zero clearance to combustible materials

Installation Manual
Instruction Manual




General Information 



Total Amps

Additional Information

Additional Information

Weight 320.0000
Color N/A
Product Type Boilers
Condition New
Manufacturer Thermolec
Part Number N/A
Disclaimer N/A
Refrigerator Cu. Ft. N/A
Refrigerator Height (Including Hinge) N/A
Refrigerator Width N/A
Refrigerator Depth (Without Handles) N/A
Energy Star N/A
External Dispenser N/A
Internal Dispenser Options N/A
Built In N/A
ADA Compliant N/A
Washer Cu. Ft. N/A
Washer High Efficiency N/A
ADA Compliant N/A
Dishwasher Tub Material N/A
Control Location N/A
ADA Compliant N/A
Energy Star N/A
Dishwasher Height N/A
Wall Oven Width N/A
Convection N/A
Single/Double Wall Oven N/A
ADA Compliant N/A
Cleaning Type N/A
Range Burner Configuration N/A
Range Oven Single/Double/Tripple+ N/A
Range Width N/A
EGG Components & Parts N/A
Nests, Handlers and Mates N/A
Seasoning, Sauce, Cookbooks N/A
convEGGtors and Baking Stones N/A
Charcoal, Starters and Smoking Woods N/A
Tables & Custom Islands N/A
EGG Covers N/A
Pizza Accessories N/A
Grilling Tools N/A
EGG Tools and Temperature Control N/A
Racks, Grids & Specialty Cookware N/A
80% Standard Efficiency N/A
92-97% High Efficiency N/A
Microwave Features N/A
Hood Type N/A
Hood Width N/A
Cooktop Width N/A
ADA Compliant N/A
Water Heater Features N/A
Features N/A

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