Important Instructions for the Commonwealth of Massachusetts

The Commonwealth of Massachusetts requires compliance

(b) EXEMPTIONS: The following equipment is exempt from

with regulation 248 CMR 4.00 and 5.00 for installation of

248 CMR 5.08(2)(a)1 through 4:

through – the – wall vented gas appliances as follows:

1. The equipment listed in Chapter 10 entitled "Equipment

(a) For all side wall horizontally vented gas fueled equipment

Not Required To Be Vented" in the most current edition of

installed in every dwelling, building or structure used in

NFPA 54 as adopted by the Board; and

whole or in part for residential purposes, including those

2. Product Approved side wall horizontally vented gas fueled

owned or operated by the Commonwealth and where the

side wall exhaust vent termination is less than seven (7) feet

equipment installed in a room or structure separate from the

above finished grade in the area of the venting, including but

dwelling, building or structure used in whole or in part for res-

not limited to decks and porches, the following requirements

idential purposes.

shall be satisfied:

(c) MANUFACTURER REQUIREMENTS - GAS EQUIP-

1. INSTALLATION OF CARBON MONOXIDE DETECTORS.

MENT VENTING SYSTEM PROVIDED. When the

At the time of installation of the side wall horizontal vented

manufacturer of Product Approved side wall horizontally

gas fueled equipment, the installing plumber or gasfitter shall

vented gas equipment provides a venting system design or

observe that a hard wired carbon monoxide detector with an

venting system components with the equipment, the instruc-

alarm and battery back-up is installed on the floor level

tions provided by the manufacturer for installation of the

where the gas equipment is to be installed. In addition, the

equipment and the venting system shall include:

installing plumber or gasfitter shall observe that a battery

1. Detailed instructions for the installation of the venting sys-

operated or hard wired carbon monoxide detector with an

alarm is installed on each additional level of the dwelling,

tem design or the venting system components; and

building or structure served by the side wall horizontal vent-

2. A complete parts list for the venting system design or vent-

ed gas fueled equipment. It shall be the responsibility of the

property owner to secure the services of qualified licensed

ing system.

professionals for the installation of hard wired carbon

(d) MANUFACTURER REQUIREMENTS - GAS EQUIP-

monoxide detectors

a. In the event that the side wall horizontally vented gas

MENT VENTING SYSTEM NOT PROVIDED. When the

manufacturer of a Product Approved side wall horizontally

fueled equipment is installed in a crawl space or an attic, the

vented gas fueled equipment does not provide the parts for

hard wired carbon monoxide detector with alarm and battery

venting the flue gases, but identifies "special venting sys-

back-up may be installed on the next adjacent floor level.

tems", the following requirements shall be satisfied by the

b. In the event that the requirements of this subdivision can

manufacturer:

not be met at the time of completion of installation, the owner

1. The referenced "special venting system" instructions shall

shall have a period of thirty (30) days to comply with the

be included with the appliance or equipment installation

above requirements; provided, however, that during said

instructions; and

thirty (30) day period, a battery operated carbon monoxide

2. The "special venting systems" shall be Product Approved

detector with an alarm shall be installed.

2. APPROVED CARBON MONOXIDE DETECTORS. Each

by the Board, and the instructions for that system shall

include a parts list and detailed installation instructions.

carbon monoxide detector as required in accordance with

(e) A copy of all installation instructions for all Product

the above provisions shall comply with NFPA 720 and be

ANSI/UL 2034 listed and IAS certified.

Approved side wall horizontally vented gas fueled equip-

3. SIGNAGE. A metal or plastic identification plate shall be

ment, all venting instructions, all parts lists for venting

instructions, and/or all venting design instructions shall

permanently mounted to the exterior of the building at a min-

remain with the appliance or equipment at the completion of

imum height of eight (8) feet above grade directly in line with

the installation.

the exhaust vent terminal for the horizontally vented gas

GAS PRESSURE SUPERVISION

fueled heating appliance or equipment. The sign shall read,

in print size no less than one-half (1/2) inch in size, "GAS

The Commonwealth of Massachusetts requires listed high

VENT DIRECTLY BELOW. KEEP CLEAR OF ALL

OBSTRUCTIONS".

and low gas pressure switches (manual reset) for any model

4. INSPECTION. The state or local gas inspector of the side

with a maximum firing input greater than 1,000,000 Btu/Hr in

accordance with 248 CMR 7.04(11)(d).

wall horizontally vented gas fueled equipment shall not

A gas pressure regulator (field supplied) is required in the

approve the installation unless, upon inspection, the inspec-

tor observes carbon monoxide detectors and signage

gas train ahead of the heater, for heaters having input rates

installed in accordance with the provisions of 248 CMR

greater than 1,000,000 Btu/Hr, in accordance with 248 CMR

5.08(2)(a)1 through 4.

7.04 Figure 3B requirements.

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Raypak 503-2003 manual Important Instructions for the Commonwealth of Massachusetts
Page 51 Page 53

503-2003 specifications

The Raypak 503-2003 is a notable entry in the world of water heating solutions, renowned for its efficiency and reliability in both residential and commercial settings. This model is designed to provide exceptional performance while maintaining ease of use and minimization of environmental impact.

One of the standout features of the Raypak 503-2003 is its advanced heating technology. The unit utilizes a durable, copper heat exchanger which ensures quick and efficient heating of water. This heat exchanger is known for its ability to transfer heat effectively, leading to reduced energy consumption and lower utility bills. The design also allows for a seamless operation, ensuring that the system heats water swiftly without sacrificing performance.

In addition to its efficient heating capabilities, the Raypak 503-2003 is equipped with innovative controls. The digital control panel allows users to easily set and adjust the desired water temperature. This feature provides a level of convenience that simplifies operation while enhancing user experience. Furthermore, the smart technology employed in the unit ensures that it operates within optimal parameters, avoiding unnecessary energy expenditure.

Durability is another hallmark of the Raypak 503-2003. Built with heavy-duty components, this water heating solution is designed to withstand the rigors of continuous use. The rugged construction ensures longevity, making it a cost-effective investment for homeowners and businesses alike. Moreover, the unit is designed to be resistant to corrosion and wear, further extending its lifespan and reliability.

The energy efficiency of the Raypak 503-2003 is a crucial characteristic that sets it apart from competitors. Rated with a high efficiency score, this model contributes to lower emissions and is environmentally friendly. It adheres to various energy standards, making it a suitable choice for those looking to reduce their carbon footprint while enjoying reliable water heating.

Noise reduction is another important feature of the Raypak 503-2003. Designed with quiet operation in mind, the unit operates with minimal noise pollution, allowing for a pleasant environment in both residential and commercial spaces.

In summary, the Raypak 503-2003 combines advanced heating technology, user-friendly controls, durability, and energy efficiency into a robust water heating system. This makes it an excellent choice for those in need of dependable and sustainable heating solutions. Whether for daily home use or for larger commercial applications, the Raypak 503-2003 stands out as a leader in its class.
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