Technical Bulletion TB1010822
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Reference: TB 101 08/22<br />
<strong>Technical</strong> Bulletin<br />
Installation: Reduced Clearances<br />
Figure 1 – Current clearances illustrated in the manufacturers instructions.<br />
REDUCED CLEARANCES FOR THE CLAS ONE R 24, ECOMBI ONE, E-SYSTEM ONE, CLAS<br />
ONE AND CLAS SYSTEM ONE RANGE OF BOILERS. The purpose of this technical bulletin is to<br />
ensure all gas engineers are aware that a change/upgrade has been carried out internally at Ariston, and<br />
until the revised manual is in circulation, this bulletin is to give clear guidance on the new revised clearances:<br />
‣ Below clearances are reduced from 300m to 200mm<br />
‣ Left hand side clearances are reduced from 50mm to 10mm<br />
‣ Right hand side clearances are reduced from 50mm to 10mm<br />
TECHNICAL HELPDESK<br />
techhelpdesk@aristonthermo.com<br />
Phone: 0333 240 7777<br />
At the time of this bulletin being issued all upgraded reduced clearances were correct and aligned with Group and Ariston UK. This technical bulletin<br />
is only to be circulated within British Gas and a copy will be sent to the Gas Safe Register, it will appear alongside a manufacturers concession which<br />
will state the above and be sent to the Gas Safe Register for suitability to the wider market<br />
Version Date of issue Date of revision Author<br />
1.0 18/06/2019 01/08/2022 Adam Perry
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