Heating boilers - Part 4: Heating boilers with forced draught burners - Special requirements for boilers with forced draught oil burners with outputs up to 70 kW and a maximum operating pressure of 3 bar - Terminology, special requirements, testing and marking EN 303-4:1999
01.040.91
Construction materials and building (Vocabularies)
| 91.140.10
Central heating systems
Buying
Published
Scope
This standard is applicable to heating boilers with forced draught oil burners up to a nominal heat output of 70 kW. They are operated, either with negative pressure (natural draught boiler) or with positive pressure (pressurised boiler) in the combustion chamber, in accordance with the boiler manufacturer's instructions. This standard specifies the necessary terminology, the requirements on the materials and testing of them, and marking requirements for heating boilers.
Life cycle
NOW
PUBLISHED EN 303-4:1999 90.60
Close of review Jun 4, 2019
