
EKHY075787 / EK 075867 / EK 075877 / EK 075917 PS PS PS
EKPS076197 / EKPS 076207 / EKPS076217 / EKPS076227
Conversion Instructions
Contents:
Gas metering ring (for diameter see table below)
Conversion instruction manual
Sticker gas type / gas supply pressure
THE APPLIANCE IS FOR USE WITH NATURAL GAS OR LPG. (Cat II 2H3P)
These instructions must be read in conjunction with the installation & servicing instructions. This conversion may only
be carried out by a person and has to be in accordance with competent local or national standards that apply when
converting to another gas type.
It must NOT be attempted unless the person carrying out the conversion is equipped with a combustion analyser and is
competent in its use.
ISOLATE MAINS ELECTRICAL SUPPLY AND REMOVE OUTER CASE AS SHOWN IN THE INSTALLATION, COMMISSIONING &
SERVICING INSTRUCTIONS.
Important: Do not install the appliance into a room or internal space below ground level when it is intended for use with LPG (propane G31). –
This does not apply to basements that are open on at least on side.
Installation Regulations
In addition to those specified in the installation and operation manual of the boiler, the following local or national standard apply.
All conversions require the air/gas ratio to be set correctly in accordance with the gas that will be used. The procedure for setting the
air/gas ratio is included in these instructions.
1 BOILER CONFIGURATION
Table 1, inserts and associated gas ring for conversion to G31
Gas category:
Propane P
G31 /50 mBar, 30/37
Applicable for boiler models
EHOB12AAV1, EHOBG12AAV1
RHOB12AAV1, RHOBG12AAV1
EHOBG18AAV1, EKOMBG22AAV1, EKOMBGU22AAV1,
RHOBG18AAV1, RKOMBG22AAV1
EHOB18AAV1, EKOMB22AAV1, EKOMBG28AAV1, EKOMBGU28AAV1
RHOB18AAV1, RKOMB22AAV1, RKOMBG28AAV1
EKOMB28AAV1, EKOMB33AAV1, EKOMBG33AAV1, EHOB42AAV1
EKOMBGU33AAV1
RKOMB28AAV1, RKOMB33AAV1, RKOMBG33AAV1, RHOB42AAV1
EHYKOMB33AA, RHYKOMB33AA
Table 2, inserts and associated gas ring for conversion to G25
Gas category
Natural gas H
G25 25 mBar,
Applicable for boiler models
EHOB12AAV1, EHOBG12AAV1
RHOB12AAV1, RHOBG12AAV1
EHOBG18AAV1, EKOMBG22AAV1, EKOMBGU22AAV1,
RHOBG18AAV1, RKOMBG22AAV1
EHOB18AAV1, EKOMB22AAV1, EKOMBG28AAV1,
EKOMBGU28AAV1
RHOB18AAV1, RKOMB22AAV1, RKOMBG28AAV1
EKOMB28AAV1, EKOMB33AAV1, EKOMBG33AAV1, EHOB42AAV1
EKOMBGU33AAV1
RKOMB28AAV1, RKOMB33AAV1, RKOMBG33AAV1, RHOB42AAV1
EHYKOMB33AA, RHYKOMB33AA