Products
Mainly Custom has everything you need to have your new boiler installed, tested, checked and maintained.
Here are just some of the outstanding products we stock and install.

Mainly Custom has everything you need to have your new boiler installed, tested, checked and maintained.
Here are just some of the outstanding products we stock and install.
Mainly Custom is pleased to show you a PARTIAL listing of the products we stock, sell and service.
Sequoyah E3300 Gasification Outdoor Wood Furnace
The Sequoyah E3300 has a long list of outstanding features and benefits, including true 24 hour burn time, heats up to 4,000 square feet, amd produces very steady heat.
More Info: E3300 features, specs, photos
Sequoyah E3400 EPA Gasification Outdoor Wood Furnace
The Sequoyah E3400 also has a long list of outstanding features and benefits, including full Vermont and Maine certification, heats up to 10,000 square feet, amd produces very steady heat.
More Info: E3400 features, technical specs, photos
Wood Doctor Outdoor Furnaces
Wood Doctor Outdoor Furnaces are made in a number of different sizes and capabilities, with typical square footage heat ratings from 2000 up to 30,000, depending on the model. All models feature Safety, Convenience and Cost Savings!
More Info: Wood Doctor features, specs, photos
Wood Doctor Converter Units
The Wood Doctor Converter represents the new generation of Outdoor Furnaces. It burns less wood and is environmentally friendly having little smoke emission. This makes it the only legal choice in many urban built up areas. It converts wood to gas and gas to heat.
More Info: Wood Doctor features, technical specs, photos
Biasi Triple Pass Indoor Wood Furnaces
The Biasi 3WOOD is a new generation of wood boiler that challenges our oil dependency. It is efficient, easy to use, and produces low emissions. The 3WOOD series is available in four sizes ranging from 75,000 to 120,000 BTU/HR.
More Info: Biasi Triple Pass features, specs, photos
Marathon Water Heater
The Marathon Water Heater is a technologically advanced design and is clearly differentiated from short lived steel water heaters. It's the most durable water heater made, with a warranty to match! For example, Envirofoam™ insulation is completely free of CFC and HCFC ozone depleting gases. Marathon leads the way in environmental friendly manufacturing, design and operation.
More Info: Marathon features, specs, photos
Pex Flex Pipe
PEX-Flex, one of the best underground pipes in the world, is flexible pre-insulated pipe designed for the efficient transfer of hot or cold medium. Supplied in single or dual (supply and return bundled together) format coils, this seamless pipe system is economical, simple to install and highly effective even in harsh soil conditions.
More Info: PexFlex Pipe features, specs, photos
Wilo Circulator Pumps
WILO SE is one of the leading manufacturers of pumps and pump systems for heating, cooling and air-conditioning technology and for water supply and sewage disposal. Founded in 1872, the company continues to be world-renowed as a copper and brass goods manufacturer, known for it's outstanding quality and long life.
More Info: Wilo Pumps International Website
“One Call Does It All!” means we have all the Heavy Duty Equipment to deliver and install our products. We have a well stocked service trailer to get the job done efficiently. Feel free to set up a site visit to get an honest quote. Make a visit to one of our customer’s to see the quality of our installations. Or, email us at mainly_custom@yahoo.com with any questions or for more information!