NF E31-501:2009
Domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 70 kW, without a fan to assist transportation of combustion air and/or combustion products.

Standard No.

NF E31-501:2009

Release Date

2009

Published By

Association Francaise de Normalisation

Latest

NF E31-501:2009

Replace

NF E31-501:1998 NF E31-501/A1:2002

NF E31-501:2009 history

• 2009 NF E31-501:2009 Domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 70 kW, without a fan to assist transportation of combustion air and/or combustion products.
• 0000 NF E31-501/A1:2002
• 1998 NF E31-501:1998 Domestic gas-fired forced convection air heaters for space heating not exceeding ? net heat input of 70 kW, without ? fan to assist transportation of combustion air and/or combustion products.