User Manual
Gas Condensing Combi Boilers
Singular
Singular 4000 | Singular 5200
BTC 439003302 A / 03.2021
WARNING:
If the information in these instructions are not followed exactly, a fi re or explo-
sion may result causing property damage, personal injury or death.
WARNING:
Do not store or use gasoline or other fl ammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
— Do not try to light any appliance.
— Do not touch any electrical switch; do not use any phone in your building.
— Immediately call your gas supplier from a neighbor’s phone. Follow the gas
supplier’s instructions.
— If you cannot reach your gas supplier, call the fire department.
WARNING:
Improper installation, adjustment, alteration, service or maintenance can cause
property damage, personal injury (exposure to hazardous materials)* or loss of
life. Refer to the user's information manual provided with this boiler. Installation
and service must be performed by a qualifi ed installer, service agency or the gas
supplier who must read and follow the supplied instructions before installing,
servicing, or removing this boiler. This boiler contains materials that have been
identifi ed as carcinogenic, or possibly carcinogenic, to humans.
This boiler must be installed in accordance with local, state, and federal codes.
In the absence of such requirements, then to the latest edition of the National
Fuel Gas Code, ANSI Z223.1./NFPA 54. In Canada, installation must be in
accordance with the requirements of CAN/CSA B149.1, Natural Gas and
Propane Installation Code.
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