Important information on Dutch Gas Appliances (Commodities Act) Decree

05 September 2016

With this notice, Kiwa wants to make clear that for all type examination certificates under the GAD (Directive 2009/142/EC) that Kiwa issued for appliances to which the appliance category I2EK applies, the description of this appliance category is as included in the NTA 8837:2012. 

Reason and background: 
From 1 January 2013 to date Kiwa has issued GAD type examination certificates on which it is indicated that the gas appliance belongs, inter alia, to the appliance category I2EK. 

On 14 June 2016 at 09:10 the “Dutch Decree of 10 May 2016 regarding amendment of the Dutch Gas Appliances Decree and the Dutch Commodities (Administrative Fines) Act in connection with the changing composition of gas in the Netherlands as well as technical amendment of some other decrees” was published in the Dutch Bulletin of Acts and Decrees.

Further to this publication Kiwa has been asked what the relationship is between the appliance category I2EKindicated on the type examination certificate and the provisions of the “Dutch Decree of 10 May 2016 regarding amendment of the Dutch Gas Appliances Decree…”. The answer to this question is as follows:

Where the GAD type examination certificates of KIWA refer to the appliance category “I2EK” this is understood as: 
The appliance was configured for the appliance category K (I2K) and is suitable for the use of G and G+ distribution gases according to the specifications as included in the NTA 8837:2012 Annex D with a Wobbe index of 43.46 – 45.3 MJ/m3 (dry, 0 °C, upper value) or 41.23 – 42.98 (dry, 15 °C, upper value). 
This appliance can moreover be converted and/or be calibrated for the appliance category E (I2E).
This therefore implies that the appliance: “is suitable for G+ gas and H gas or is demonstrably suitable for G+ gas and can demonstrably be made suitable for H gas” within the meaning of the Dutch Decree of 10 May 2016 regarding amendment of the Dutch Gas Appliances Decree….”

For more information contact: allard.slomp@kiwa.nl or jan.meuleman@kiwa.nl

Explanatory Notes: 
The “Dutch Decree of 10 May 2016 regarding amendment of the Dutch Gas Appliances Decree ….”  
It is determined in section 2 subsection 4: 
“It is prohibited to offer a gas appliance for purchase that is not demonstrably suitable for G+ gas and H gas or that is not demonstrably suitable for G+ gas and cannot demonstrably be made suitable for H gas”

In section 6 subsection 6 it is understood that:
for appliances that are suitable for the G+ gas this is the appliance category I2 (43.46 – 45.3 MJ/m3 (0°C)) and for appliances that are suitable for the H gas the appliance category I2E.
(NB: this differs slightly from the exact wording)

The “Dutch Decree of 10 May 2016 regarding amendment of the Dutch Gas Appliances Decree….” is the result of the intention that was recorded in the letter of 12 March 2012 of the Dutch Minister of Economic Affairs to the Dutch Lower House.

The letter of 12 March 2012 of the Dutch Minister of Economic Affairs to the Dutch Lower House 
In the letter of 12 March 2012 the Minister gave notice of the requirements that shall be imposed in the future on gas appliances that are meant to be installed in the Netherlands. It is recorded in this letter for what low calorific gases the gas appliances must be suitable in the future, the G+ gas. It is also recorded in the letter that in the future the gas group E and the appliance category I2E of the EN437 shall be desired for the high calorific gas. 

The NTA 8837:2012 
In the NTA 8837:2012 several parties jointly established in a Dutch Technical Agreement what, according to the state of the art, the correct test gases are for demonstrating the suitability of a gas appliance for G+ gases from the letter of 12 March 2012. In the same DTA the gas group name “K” and the appliance category I2K pertaining to the gas group “K” are in line with the EN437 used for these future G+ gases. 

For appliances that are suitable for the future G+ gases and the future H gases or that are demonstrably suitable for the future G+ gases and can demonstrably be made suitable for the future H gases the NTA 8837 uses the appliance category I2EK.

Type examination reports of Kiwa 
For appliances that are, according to specification of the manufacturer, “suitable for the future G+ gases and the future H gases or are demonstrably suitable for the future G+ gases and can demonstrably be made suitable for the future H gases” the NTA 8837:2012 is used. The test gases, the gas groups and the appliance category indication of the NTA 8837:2012 form the foundation for the decision to issue a type examination certificate. 

For the other appliance categories mentioned in the report the latest version of the EN437 is used for the test gases, the gas groups and the appliance category indications. For these appliance categories the test gases, gas groups and appliance category indications of the EN437 therefore form the foundation for the decision to issue a type examination certificate. 

The type examination certificate of Kiwa 
The type examination certificate of KIWA does often not include an express reference for the applied appliance category to the appliance category-defining document. It may be clear that: 
If an indicated appliance category is mentioned in the version of the EN437 valid at the moment of issue then this refers to the said category.

If an indicated appliance category is not mentioned in a version of the EN437 published by CEN but is mentioned in the latest PR version of the EN437 circulated by CEN then this refers to the category of the latest PR version of the EN437 circulated by CEN.

If an indicated appliance category is not mentioned in one of the (PR) EN437 versions then it shall need to be determined on the basis of the test report what appliance category-defining document was used.

The description of the appliance category as included in the NTA 8837:2912 applies to all type examination certificates for the GAD that Kiwa issued for appliances that the appliance category I2EK applies to.