1
GB
JSG12ST-S25
Instantaneous Gas Water Heater
Suitable for use in the following countries:
AT, CZ, FR, GR, IE, IT, LT,
PT, RO, SK, SI, ES, CH, GB
INSTALLER MANUAL
GAS SAFETY (INSTALLATION AND USE) REGULATIONS 1998 (AS AMENDED)
It is a Legal requirement that all gas appliances must be installed by a registered
person in accordance with the above regulations.
Failure to install appliances correctly could lead to prosecution. It is in your own
interest, and that of safety, to ensure that the Legal requirements are complied with.
Read these instructions carefully before attempting to operate the appliance. Comply
with all applicable warnings.
Do not interfere with any sealed components, and use the appliance only in
accordance with these instructions.
RECOMMENDATIONS -
FOR THE INSTALLER
This appliance must not be installed, adjusted or adapted for use with another type of gas.
GAS SAFETY (INSTALLATION AND USE) REGULATIONS 1998 (as amended)
It is a Legal requirement that all gas appliances must be installed by a registered person in accordance with the above
regulations.
Failure to install appliances correctly may lead to prosecution.
It is in your own interest, and that of safety, to ensure that the legal requirements are complied with.
In addition to the above regulations, this appliance must be installed in accordance with the current IEE Wiring
regulations, Health and Safety Document No 635 'The Electricity at Work Regulations. It should also be in accordance
with the relevant recommendations in the current editions of all relevant National Standards. Your particular attention
is drawn to the following standards relevant to an installation in Leisure Accommodation Vehicles:
BS EN 1647:2018 Leisure accommodation vehicles; Caravan holiday homes; Habitation requirements relating to
health and safety.
BS EN 721:2019 Leisure accommodation vehicles: Safety ventilation requirements.
BS EN 1949:2011+A1:2013 Specification for the installation of LPG systems for habitation purposes in leisure
accommodation vehicles and in other vehicles.
BS 5440-1:2008 Flueing and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd
family gases). Specification for installation of gas appliances to chimneys and for maintenance of chimneys
Codes of Practice
CoP
501
CoP
502
IMPORTANT: References to the above standards are for guidance only. Installers must always check to ensure that
the references made to EN and BS standards in this document are to the latest requirements.
The installation must be according to national and local regulations and the requirements of the CPD (construction
products directive).
Manufacturer’s instructions must NOT be taken in any way as over-riding statutory regulations
Always refer to technical information provided on the appliance data plate before installing this appliance
Ensure that the appliance is compatible with local regulations
GB
IE
