Monessen Hearth CSDV40SLP User Manual
Page 42

42
58D6056
CSDV Series Direct Vent Gas Stove
NOTE REGARDING VENTED pRODUCTS
This product must be installed by a licensed plumber or gas fitter 
when installed within the Commonwealth of Massachusetts.
Any residence with a direct vent product must have a CO 
detector installed in the residence.
Installation of the fireplace or vented gas log in the State of 
Massachusetts requires the damper to be permanently removed 
or welded in the fully open position.
In addition, a naturally vented gas log may not be installed in a 
bedroom or bathroom in the State of Massachusetts.
Flex line installation must not exceed 36 inches and must have 
a T shutoff valve. 
NOTE REGARDING VENT FREE pRODUCTS
This product must be installed by a licensed plumber or gas fitter 
when installed within the Commonwealth of Massachusetts.
In addition, vent free products may not be installed in a 
bedroom or bathroom regardless of size or type in the State of 
Massachusetts.
Flex line installation must not exceed 36 inches and must have 
a T shutoff valve.
CARBON mONOxIDE DETECTOR REqUIREmENTS
(2) Revise 10.8.3 by adding the following additional 
requirements:
(a) 
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 
finished grade in the area of the venting, including but not 
limited to decks and porches, the following requirements shall 
be satisfied:
1. Installation of carbon monoxide detectors. At the time 
of installation of the side wall horizontal vented gas fueled 
equipment, the installing plumber or gas fitter shall observe 
that a hard wired carbon monoxide detector with an alarm and 
battery back-up is installed on the floor level where the gas 
equipment is to be installed. In addition, the installing plumber 
or gas fitter 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 
qualified 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 floor level.
 
b. In the event that the requirements of this subdivision
can not 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.
massachusetts Residents Only — please read and follow these special requirements
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 certified.
3. Signage. A metal or plastic identification 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.
(b) Exemptions: The following equipment is exempt from 
248 CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled "Equipment 
Not Required To Be Vented" in the most current edition of 
NFPA 54 as adopted by the Board; and
2. Product Approved side wall horizontally vented gas fueled 
equipment installed in a room or structure separate from the 
dwelling, building or structure used in whole or in part for 
residential purposes.
(c) manufacturer requirements — Gas Equipment Venting 
System provided. When the manufacturer of Product 
Approved side wall horizontally vented gas equipment provides 
a venting system design or venting system components with 
the equipment, the instructions provided by the manufacturer 
for installation of the equipment and the venting system shall 
include:
1. Detailed instructions for the installation of the venting 
system design or the venting system components; and
2. A complete parts list for the venting system design or 
venting system.
(d) manufacturer requirements — Gas Equipment 
Venting System Not provided. When the manufacturer of 
a Product Approved side wall horizontally vented gas fueled 
equipment does not provide the parts for venting the flue 
gases, but identifies “special venting systems,” the following 
requirements shall be satisfied by the manufacturer:
1. The referenced "special venting system" instructions shall 
be included with the appliance or equipment installation 
instructions; and
2. The “special venting systems” shall be Product Approved 
by the Board, and the instructions for that system shall include 
a parts list and detailed installation instructions.
(e) 
A copy of all installation instructions for all Product
Approved side wall horizontally vented gas fueled equipment, 
all venting instructions, all parts lists for venting instructions, 
and/or all venting design
