SIU50-20 20' of Tube 12'9'' Long 50,000 BTUH Nat. Gas

SIU SERIES FEATURES General Features

• 6 different Btu sizes and more than 60 different configurations to custom design your infrared heating system • CSA design certified • Available in natural and propane gas • Optional elbows and corner reflectors • Optional decorative grille • Sidewall or through the roof venting • Vented or indirect vented operation Vacuum System • Products of combustion are pulled through the combustion chamber for increased radiant efficiency and greater safety • No draft hoods, totally enclosed combustion chamber • Heavy duty draft inducer assembly with permanently lubricated, totally enclosed and heavy duty ball bearing motor for maintenance-free operation • 30 second pre-purge period before ignition • Diaphragm air switch for proof of venting before gas flow and ignition Burner System • Heavy duty cast iron burner • Reliable direct spark ignition system and 100% Gas Shut-Off Safety Control • Burner inspection sight glass • Step-opening redundant combination gas valve for quiet ignition and added safety • Inside or outside air for combustion • Up to 50 ft. outside combustion air capability • Diagnostic Monitoring Light System Radiant Emitter Tube System • 4” O. D. heat treated aluminized steel combustion chamber (10’ length) • Standard highly emissive radiant tubes (10’ lengths) • Optional aluminized steel radiant tubes (Tough Guy Option) • 5 year limited warranty on all tubes • Suitable for horizontal or angle mounting up to 45˚ • Up to 75 feet sidewall vent capability Reflector System • Highly efficient aluminum reflectors • Individual reflectors can be rotated up to 45˚ to direct heat where needed • Optional end, corner, U-bend and side extension reflectors