Radiant tube
20 000 - 50 000 BTU/h | Cold Blocker series
Space-Ray
* Four different input sizes from 20,000 to 50,000 Btu/hr
* Single stage or two stage modulation input
* Natural or propane gas
* U-tube design for uniform energy distribution
* Compact size for easy installation from 6' to 20' above floor.
Radiant Emitter Tube System:
* 3" O.D. calorized aluminized steel emitter tube for long life and high radiant efficiency
* 5-year limited warranty on the emitter tube
* Smooth cast iron "U" bend
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
Burner System
* One-piece cast iron burner
* 10-year limited warranty on burner
* Direct outside air for combustion
* 4" O.D. combustion air intake and vent
* Direct spark ignition system with step opening gas valve and 100% Gas Shut-Off Safety Control (pre-purge)
* Monitoring lights for visual diagnosis of maintenance needs
* 36" Stainless Steel flexible gas connector included with control box
