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

Standard No.

NF E31-514:1998

Release Date

1998

Published By

Association Francaise de Normalisation

Status

Be replaced 2011-10

Replace By

NF E31-514:2011

Latest

NF E31-514:2011

NF E31-514:1998 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.