Historical
ONORM EN 416-2:2006
Single burner gas-fired overhead radiant tube heaters for non-domestic use - Part 2: Rational use of energy (Austrian Standard)
This European Standard specifies the requirements and test methods for the rational use of energy of non-domestic gas fired overhead radiant tube heaters incorporating a single burner system under the control of an automatic burner control system. This st
Austrian Standards Institute [on]