REQUIREMENTS for COMMONWEALTH of MASSACHUSETTS

Modifications to NFPA-54, Chapter 10

Revise NFPA-54 section 10.8.3 to add the following requirements:

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 the 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, horizontally vented, gas-fueled equipment, the installing plumber or gas fitter shall observe that a hard-wired carbon monoxide detector with an alarm and battery backup 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, horizontally 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 backup may be installed on the next adjacent floor 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 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.

EXEMPTIONS: The following equipment is exempt from

24 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.

MANUFACTURER REQUIREMENTS -

GAS EQUIPMENT VENTING SYSTEM PROVIDED. When the manufacturer of Product Approved side wall, horizontally vented, gas-fueled 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.

MANUFACTURER REQUIREMENTS -

GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED. When the manufacturer of Product Approved sidewall, 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.

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 instructions shall remain with the appliance or equipment at the completion of the installation.

Page 48 of 48

Issue 1031

506501-01

Page 47 Page 48
Page 48
Image 48
Allied Air Enterprises A95UH, 95G1UH, A93UH, 92G1UH BELOW. Keep Clear of ALL Obstructions, Manufacturer Requirements
Page 47 Page 48

92G1UH, 95G1UH, A95UH, A93UH specifications

Allied Air Enterprises is renowned for producing high-quality HVAC systems, and its models A93UH, 92G1UH, A95UH, and 95G1UH are no exception. These units exemplify cutting-edge technology, efficiency, and reliability, making them popular choices for residential and commercial applications.

The A93UH model is a high-efficiency gas furnace designed with advanced features that maximize performance while maintaining low operating costs. It boasts a 93% Annual Fuel Utilization Efficiency (AFUE) rating, which ensures that a significant portion of the fuel consumed translates into heat. The A93UH incorporates variable-speed blower technology, allowing for precise airflow adjustments that enhance comfort and energy savings.

Similarly, the 92G1UH is built to provide exceptional heating capabilities. With a robust construction and innovative design, this model also achieves a 92% AFUE rating. It features a durable heat exchanger and a reliable ignition system that ensures consistent performance. The 92G1UH is engineered for quiet operation, minimizing noise levels and contributing to a more comfortable indoor environment.

Moving on to the A95UH, this unit represents the pinnacle of efficiency with its impressive 95% AFUE rating. This model not only emphasizes energy savings but also focuses on long-term durability. Equipped with a two-stage gas valve, the A95UH allows for flexible heating based on demand, which translates into enhanced comfort and efficiency. Additionally, the integrated SmartComfort technology provides homeowners with user-friendly control options.

The 95G1UH model shares many of the same advanced features as the A95UH but is tailored for different installation scenarios. With a comparable efficiency rating, the 95G1UH emphasizes ease of maintenance and installation. Its compact design and lightweight construction make it an ideal choice for various settings where space is limited.

All four models incorporate the latest in comfort control technology, allowing for seamless connectivity and programmability. Homeowners can utilize smart thermostats to optimize their heating schedules, further enhancing energy savings. The featured robust warranty and service support from Allied Air Enterprises provide peace of mind, ensuring that these units will deliver reliable performance for years to come.

Overall, the A93UH, 92G1UH, A95UH, and 95G1UH models stand out in the HVAC market due to their efficiency, innovative features, and durability. These units cater to a variety of heating needs while keeping operational costs low, making them wise investments for any property owner.
Top Page Image Contents