HDB-HHP Vestibule
Outdoor

450,000-5,000,000 BTUH Input Up to 90 degree max temperature rise
HDB-VVP Vestibule
Outdoor

360,000-3,000,000 BTUH Input Up to 60 degree max temperature rise
HDB-VHP Vestibule
Outdoor

450,000-1,800,000 BTUH Input – 90 degree max temperature rise
HDA-VHP Vestibule
Outdoor

450,000-1,800,000 BTUH Input 100 degree max temperature rise
HDB-HHP Vestibule
Indoor

450,000-5,000,000 BTUH Input Up to 90 degree max temperature rise
HDB-VVP Vestibule
Indoor

360,000-3,000,000 BTUH Input Up to 60 degree max temperature rise
HDB-VHP Vestibule
Indoor

450,000-1,800,000 BTUH Input – 90 degree max temperature rise
HDA-VHP Vestibule
Indoor

450,000-1,800,000 BTUH Input 100 degree max temperature rise