4VT Cyclone Hot Water

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.

Other features include:

  • Compact space saving vertical design
  • Four-Pass design
  • Shock Proof, no tubes to loosen or burn out
  • Convenient access to “Eye High” burner
  • Solid State controls for trouble free operation
  • Factory assembled, fully automatic
  • UL and ASME CSD-1
  • Simple and inexpensive to install
  • Low water pressure drops
  • Standard design pressure of 30 PSI Optional to 160 PSI, 250°F