Gas Conversion - Bosch Singular 4000 Installation Instructions Manual

Installation Instructions

11 Gas Conversion

This boiler is confi gured for Natural Gas from the factory. If conversion to Propane
Gas is required, the conversion kit supplied with the boiler must be used.
DANGER: FIRE, EXPLOSION
 Inspect the packing between the gas valve and gas pipe
whenever they are disassembled. The packing must be
installed and must be in good condition. Failure to comply
will cause a gas leak, resulting in severe personal injury or
death.
WARNING:
 This conversion kit shall be installed by a qualified service
agency* in accordance with Bosch's instructions and all
applicable codes and requirements of the authority having
jurisdiction. The information in these instructions must
be followed to minimize the risk of fire or explosion and/
or to prevent property damage, personal injury or death.
The qualified service agency is responsible for the proper
installation of this kit. The installation is not proper and
complete until the operation of the converted appliance
is checked as specified in the manufacturer's instructions
supplied with the kit.
* A qualifi ed service agency is any individual, fi rm, corporation or company which
either in person or through a representative is engaged in and is responsible for the
connection, utilization, repair or servicing of gas utilization equipment or accessories; who is
experienced in such work, familiar with all precautions required, and has complied with all of
the requirements of the authority having jurisdiction.
In Canada: The conversion shall be carried out in accordance with the
requirements of the provincial authorities having jurisdiction and in accordance
with the requirements of the CAN B149.1 and CAN1 B149.2 Installation Codes.
To convert the gas:
1. Turn off the manual gas shut off valve and the water supply to the boiler.
Gas
Figure 75
5 0 |
Figure 76
2. Remove the boiler front cover by loosening the 2 Phillips screws securing it
to the case.
Figure 77
Singular Combi Boiler - BTC 439003301 B (2021/07)
Cold water Hot water