SunStar SIU Series Standard/Tough Guy Infrared Straight U Tube Single Stage Heater - 150,000 BTU thermocouple-pilot-assembly All ALTERNA VF sets are

All ALTERNA VF sets are certified to two standards: ANSI Z21

42" Model 42ZCBB Vent Free Gas Firebox

95 Width 27

Tempered safety glass

SunStar SIU Series Standard/Tough Guy Infrared Straight U Tube Single Stage Heater - 150,000 BTU thermocouple-pilot-assembly All ALTERNA VF sets areWhether you need to heat your warehouse, garage, or other hard to heat spaces, the SunStar SIU Series infrared heaters provide both the fuel efficiency of radiant heat and the installation flexibility you need. The SIU Series are perfect heaters for hard to heat spaces like your warehouse or garage, the SunStar 150,000 BTU SIU Series Infrared Tube Heater with a 40' 50' long tube provides both the fuel efficiency of radiant heat and the installation