NF E31-514:2011
Domestic and non-domestic gas-fired air heaters - Supplementary requirements for condensing air heaters.

Standard No.

NF E31-514:2011

Release Date

2011

Published By

Association Francaise de Normalisation

Latest

NF E31-514:2011

Replace

NF E31-514:1998

NF E31-514:2011 history

• 2011 NF E31-514:2011 Domestic and non-domestic gas-fired air heaters - Supplementary requirements for condensing air heaters.
• 1998 NF E31-514:1998 Domestic and non-domestic gas-fired air heaters. Supplementary requirements for condensing air heaters.