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Mainline® takes inspiration from everyday life: the little messes, the happy accidents, the big creations. We’ve used these life experiences to create lavatory sinks, toilets and urinals that thoughtfully combine innovation, durability, value and design. The result? A beautiful, affordable, well-made bathroom that stands up to the rugged realities of life. Even better? Every product is backed by one of the industry’s best warranties and our dedicated customer service.


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High quality, well-designed, Mainline® toilets and lavatories for your residential or light commercial projects.
Mainline® Toilets. Beautiful design. Reliable performance.

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Recognized for a strong commitment to service, quality and value, Mainline® is considered the brand most “Preferred by the Pros.” Since 2006, Mainline® has created 8,000+ reliable, durable, affordable plumbing and HVAC products using stringent quality control standards and extensive testing. The Mainline® Vitreous China Collection maintains these high standards.

Mainline® is owned and operated by a company that has been distributing plumbing products for nearly two centuries. Our plumbing fixtures and tank trims are available through an extensive network of 450+ plumbing wholesale distributors with locations throughout North America.

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Porcelain is a widely known material used for bathroom sinks, toilets and urinals. Is vitreous china a different material? Actually, it’s not. Vitreous china is an enamel coating applied to porcelain to make it more resilient, dense and shiny. We learned as children to always leave the house with a coat. Vitreous china is the ultimate outerwear for plumbing fixtures... it brings added durability in a crisp white that coordinates with any design style.

Vitreous China vs. Ceramic vs. Porcelain