Suburban ST42 on-demand water heater

Suburban ST42 on-demand water heater is built for versatile living spaces—from tiny homes and off-grid cabins to modern apartments, RVs, man-caves, she-sheds, workshops, and custom trailers. Engineered to deliver dependable performance in compact or mobile environments, it integrates seamlessly into renovation, upgrade, and new-build projects.

This tankless water heater provides consistent hot water in compact spaces where efficiency and performance matter. Perfect for RVs, tiny homes, sheds, cabins, and studio apartments.

• Instant hot water with space-saving design
• Energy-efficient heating for mobile and stationary use
• Durable construction for off-grid or on-grid systems
• Ideal for compact bathrooms and kitchenettes
• Designed for fast, reliable temperature regulation

Backed by strong manufacturer standards and shipped fast—it’s the dependable upgrade your project deserves.