Bosch Singular 4000 Installation Instructions Manual page 6

Installation Instructions
1.3 Important Note for the State of Massachusetts
NOTICE BEFORE INSTALLATION
This appliance must be installed by a licensed plumber or gas fi tter in accordance
with the Massachusetts Plumbing and Fuel Gas Code 248 CMR Sections 4.00 and
5.00.
IMPORTANT: In the State of Massachusetts (248 CMR 4.00 & 5.00)
For all side wall horizontally vented gas fueled equipment installed in every
dwelling, building or structure used in whole or in part for residential purposes,
including those owned or operated by the Commonwealth and where the side wall
exhaust vent termination is less than seven (7) feet above fi nished grade in the
area of the venting, including but not limited to decks and porches, the following
requirements shall be satisfi ed.
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of
installation of the side wall horizontal vented gas fueled equipment, the
installing plumber or gasfi tter shall observe that a hard wired carbon
monoxide detector with an alarm and battery back-up is installed on the fl oor
level where the gas equipment is to be installed. In addition, the installing
plumber or gasfi tter shall observe that a battery operated or hard wired
carbon monoxide detector with an alarm is installed on each additional level
of the dwelling, building or structure served by the side wall horizontal vented
gas fueled equipment. It shall be the responsibility of the property owner to
secure the services of qualifi ed licensed professionals for the installation of
hard wired carbon monoxide detectors
a. In the event that the side wall horizontally vented gas fueled equipment
is installed in a crawl space or an attic, the hard wired carbon monoxide
detector with alarm and battery back-up may be installed on the next
adjacent fl oor level.
b. In the event that the requirements of this subdivision cannot be met
at the time of completion of installation, the owner shall have a period
of thirty (30) days to comply with the above requirements; provided,
however, that during said thirty (30) day period, a battery operated
carbon monoxide detector with an alarm shall be installed.
2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide
detector as required in accordance with the above provisions shall comply
with NFPA 720 and be ANSI/UL 2034 listed and IAS certifi ed.
3. SIGNAGE. A metal or plastic identifi cation plate shall be permanently
mounted to the exterior of the building at a minimum height of eight (8)
feet above grade directly in line with the exhaust vent terminal for the
horizontally vented gas fueled heating appliance or equipment. The sign
shall read, in print size no less than one half (1/2) inch in size, "GAS VENT
DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS".
4. INSPECTION. The state or local gas inspector of the side wall horizontally
vented gas fueled equipment shall not approve the installation unless, upon
inspection, the inspector observes carbon monoxide detectors and signage
installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through
4.
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Singular Combi Boiler - BTC 439003301 B (2021/07)