State Regula Ons - Rinnai ru80i Installation And Operation Manual

NOTICE BEFORE INSTALLATION
IMPORTANT: In the State of Massachuse s (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 residen al purposes, including those owned or operated by the Commonwealth and where the side wall
exhaust vent termina on is less than seven (7) feet above finished grade in the area of the ven ng, including but not limited
to decks and porches, the following requirements shall be sa sfied:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the me of installa on of the side wall horizontal vented gas
fueled equipment, the installing plumber or gasfi er shall observe that a hard wired carbon monoxide detector with an
alarm and ba ery back-up is installed on the floor level where the gas equipment is to be installed. In addi on, the
installing plumber or gasfi er shall observe that a ba ery operated or hard wired carbon monoxide detector with an
alarm is installed on each addi onal 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 qualified licensed
professionals for the installa on 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 a c, the
hard wired carbon monoxide detector with alarm and ba ery back-up may be installed on the next adjacent floor
level.
b. In the event that the requirements of this subdivision can not be met at the me of comple on of installa on, 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 ba ery 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 cer fied.
3. SIGNAGE. A metal or plas c iden fica on 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 hea ng 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 installa on unless, upon inspec on, the inspector observes carbon monoxide detectors and signage
installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4.

State Regula ons

This direct-vent appliance must be installed by a licensed professional. If you are not
properly trained, you must not install this unit.
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