Vertical Tubeless Boilers

Hurst 4VT Series

The Cyclone Steam Boiler provides for exceptionally high efficiencies, lower fuel costs, and extremely rugged construction.

Four Pass High-Pressure
Vertical Tubeless Boilers

Hurst 4VT Series

The compact, space-saving vertical four-pass shock-proof design has no tubes to loosen or burn out. The Hurst Vertical Tubeless Boiler allows convenient access to “eye high” burner and solid-state controls for trouble-free operation. Factory assembled and fully automatic. UL and ASME CSD-1 approved. Simple and inexpensive to install.

This illustration shows the progression of four gas paths around the circumference of the boiler shell.

Four-Pass Design

Inspection Access

More Steam Storage

Options and Alternatives

Simple Installation

Available Accessories


Turbulent Flame


"Eye High" Burner


Easier Service

Get in touch with us

information and support