Monessen Hearth CSDV20DLP, CSDV40NDV, CSDV40SNV, CSDV40DLP Carbon Monoxide Detector Requirements

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CSDV Series Direct Vent Gas Stove

Massachusetts Residents Only — Please read and follow these special requirements

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.

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

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Contents Direct Vent Gas Stove ModelsInstallation for Horizontal Termination CongratulationsImportant Safety Information InstallerOwner Important Safety Information Code ApprovalGas Specifications & Orifice Size Product featuresProduct Specifications High ElevationsStove dimensions CSDV20 CSDV30 CSDV40INSTALLATION Information Stove LocationClearances Clearances to combustiblesClearances / Height Requirements Height from Hearth Width Depth ModelLogs Remove Unit from CrateVenting Installation Installation PrecautionsInstalling a Vent System in AN Outside Chase Venting installationInstallation Planning For Horizontal TerminationCanadian Installations1 US Installations2 General Venting Information Termination LocationShaded areas are acceptable Installation for Horizontal TERMI- Nation PurposeVenting installation Horizontal termination configuration examplesHorizontal Venting Horizontal Venting with Two 2 90 ElbowsInstallation for Vertical TERMINA- Tion Horizontal Venting with Three 3 90 ElbowsFlat Ceiling Installation Cathedral Ceiling InstallationVertical Termination CONFIGURA- Tions Venting with Three 3 90 ElbowsSimpson Duravent GS 4 X 6B\, Black Pipe Venting with Two 2 90 ElbowsNumber Description Stove installation Installing gas piping to fireplace locationCheck gas type Natural Gas Electrical Wiring Electrical Installation Remote Wall Mounted SwitchLOG Placement Place CSDV20 logs in fireboxPlace rock wool ember material in firebox Place CSDV30 Logs in Firebox Place logs and rock wool ember material in fireboxPlace CSDV40 Logs in Firebox Place Rock Wool Ember Material in FireboxOperating Instructions What to do if YOU Smell GASLeak testing Initial lightingMain burner switch Lighting the burnerPilot position Adjusting the AIR Shutter Firebox Cleaning Cleaning and MaintenanceCleaning Glass Venting SystemGlass Replacement Troubleshooting Observed Problem Possible Cause RemedyReplacement Parts Replacement Parts Description QtyCSDV30 Replacement Parts Replacement Parts CSDV30NV CSDV30PVCSDV40 Replacement Parts CSDV40NV CSDV40PV Carbon Monoxide Detector Requirements If Warranty Service is Needed Mhsc

CSDV20SLP, CSDV40SLP, CSDV40NDV, CSDV20DLP, CSDV20DNV specifications

Monessen Hearth has established itself as a trusted name in the fireplace and heating industry, providing innovative and stylish solutions for residential warming needs. Among its esteemed lineup, the Monessen CSDV series offers a range of direct vent gas stoves that combine functionality with aesthetic appeal. The five notable models in this series are the CSDV40NDV, CSDV40DLP, CSDV20SNV, CSDV20DLP, and CSDV20SLP, each designed to cater to different preferences and needs while delivering exceptional performance.

The CSDV40NDV and CSDV40DLP are both 40-inch models that stand out for their impressive heating capacity and larger burn area. The CSDV40NDV features a stunning, traditional style including arched glass doors that enhance its elegance. The deep ceramic glass provides an expansive view of the flickering flames, while the optional blower increases efficiency by distributing heat throughout the room. The CSDV40DLP, on the other hand, offers a more contemporary design, integrating clean lines and modern aesthetics but still providing the same impressive heating capabilities.

Shifting focus to the CSDV20 models, the CSDV20SNV and CSDV20DLP are both 20-inch units, perfect for smaller spaces or for creating a cozy ambiance without overwhelming a room. The CSDV20SNV features a stylish traditional design with a sleek black finish and decorative detailing, while the CSDV20DLP offers a more modern take, showcasing clean lines and simplicity. Both models benefit from advanced technology that allows them to maintain consistent temperatures while efficiently utilizing fuel.

All models in the CSDV series feature Monessen's patented burner technology, which produces realistic flames and ensures efficient operation. With direct vent capabilities, these stoves safely vent combustion gases outside, making them a clean and safe option for homeowners. Additionally, they boast easy-to-use thermostatic controls that empower users to maintain their desired temperature effortlessly.

Energy efficiency is another hallmark of the CSDV range, with many units qualifying for efficiency rebates depending on local utilities. Overall, the Monessen Hearth CSDV series offers a compelling combination of style, efficiency, and advanced technology, making it an excellent choice for anyone looking to enhance their indoor space with a dependable heating solution.
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