Bosch Appliances GWH 425 HN, GWH 425 PN, GWH 1600 H Requirements for installation, Massachusetts

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Introduction

1.4 Requirements for installation in

terminal for the horizontally vented gas fueled

Massachusetts

 

heating appliance or equipment. The sign shall

Attention residents of the Commonwealth of

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

in size, “GAS VENT DIRECTLY BELOW. KEEP CLEAR

Massachusetts:

 

OF ALL OBSTRUCTIONS”.

In the Commonwealth of Massachusetts the

4. INSPECTION. The state or local gas inspector of

following regulation went into effect on 12/30/2005:

the side wall horizontally vented gas fueled

(a) For all side wall horizontally vented gas fueled

equipment shall not approve the installation

equipment installed in every dwelling, building or

unless, upon inspection, the inspector observes

structure used in whole or in part for residential

carbon monoxide detectors and signage installed

purposes, including those owned or operated by the

in accordance with the provisions of 248 CMR

Commonwealth and where the side wall exhaust vent

5.08(2)(a)1 through 4.

termination is less than seven (7) feet above finished

(b) EXEMPTIONS: The following equipment is

grade in the area of the venting, including but not

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

limited to decks and porches, the following

1. The equipment listed in Chapter 10 entitled

requirements shall be satisfied:

“Equipment Not Required To Be Vented” in the

1. INSTALLATION OF

CARBON MONOXIDE

most current edition of NFPA 54 as adopted by

DETECTORS. At the time of installation of the side

the Board; and

wall horizontal vented gas fueled equipment, the

2. Product approved side wall horizontally vented gas

installing plumber or gasfitter shall observe that

fueled equipment installed in a room or structure

a hard wired carbon monoxide detector with an

separate from the dwelling, building or structure

alarm and battery back-up is installed on the floor

used in whole or in part for residential purposes.

level where the gas equipment is to be installed.

(c) MANUFACTURERS REQUIREMENTS – GAS

In addition, the installing plumber or gasfitter

EQUIPMENT VENTING SYSTEM REQUIRED. When

shall observe that a battery operated or hard wired

the manufacturer of Product Approved side wall

carbon monoxide detector with an alarm is

horizontally mounted gas equipment provides a

installed on each additional level of the dwelling,

venting system design or venting system components

building or structure served by the side wall

with the equipment, the instructions provided by the

horizontal vented gas fueled equipment. It shall

manufacturer for the installation of the equipment

be the responsibility of the property owner to

and the venting shall include:

secure the services

of qualified licensed

1. Detailed instructions for the installation of the

professionals for the installation of hard wired

venting system or the venting system components:

carbon monoxide detectors.

and

a. In the event that the side wall horizontally

2. A complete parts list for the venting system design

vented gas fueled equipment is installed in a

or venting system.

crawl space or an attic, the hard wired

(d)MANUFACTURER REQUIREMENTS – GAS

carbon monoxide detector with alarm and

EQUIPMENT VENTING SYSTEM NOT PROVIDED.

battery back-up may be installed on the next

When the manufacturer of a product approved side

adjacent floor level.

 

wall horizontally vented gas fueled equipment does

b. In the event that the requirements of this

not provide the parts for the venting of flue gases,

subdivision can not be met at the time of

but identifies “special venting systems,” the following

requirements shall be satisfied by the manufacturer:

completion of installation, the owner shall

1. The referenced “special venting system”

have a period of thirty (30) days to comply

instructions shall be included with the appliance

with the above requirements; provided,

or equipment installation instructions; and

however, that during said thirty (30) day

2. The “special venting systems” shall be product

period, a battery operated carbon monoxide

approved by the Board, and the instructions for

detector with an alarm shall be installed.

that system shall include a parts list and detailed

2. APPROVED CARBON MONOXIDE DETECTORS.

installation instructions.

Each carbon monoxide detector as required in

(e) A copy of all installation instructions for all

accordance with the above provisions shall comply

products approved side wall horizontally vented gas

with NFPA 720 and be ANSI/UL 2034 listed and

fueled equipment, all venting instructions, all parts

IAS certified.

 

lists for venting instructions, and/or all venting

3. SIGNAGE. A metal or plastic identification plate

design instructions shall remain with the appliance

shall be permanently mounted to the exterior of

or equipment at the completion of the installation.

the building at a minimum height of eight (8) feet

 

above grade directly in line with the exhaust vent

4

AQ4 Manual

Page 3 Page 5
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Page 3 Page 5
Contents AQ4 Horizontal Vent Kit Table of Contents Parts included IntroductionPreparation Requirements for installation MassachusettsAQ4 Installation instructions Locating power vent hood and clearancesPower vent hood IntroductionPower vent motor Vibration mounts and recommended supportMounting the linear safety spillage switch Linear safety spillage switchVent piping Models 1600P/425PN Flow switchModels 1600H/425HN Maintenance Safety interlock testOperation First time start upNoise when power vent motor is running TroubleshootingPilot and/or burners go out during hot water use One Year Limited Warranty GeneralWiring diagram Fan wiring diagramVent hood mounting template Vent hood mounting templateAQ4 Manual AQ4 Manual AQ4 manual 11-20 11.06 TSE

GWH 425 PN, GWH 1600 P, GWH 1600 H, GWH 425 HN specifications

Bosch Appliances have long been synonymous with innovation and reliability in the realm of home comfort solutions. Four notable models in their range of gas water heaters are the GWH 425 HN, GWH 1600 H, GWH 1600 P, and GWH 425 PN. Each unit is developed to meet diverse user needs while providing the highest levels of efficiency and performance.

The Bosch GWH 425 HN is a high-capacity unit catering to larger households or commercial environments. With an impressive heat output, this model ensures a consistent hot water supply when needed. Key features include advanced combustion technology for enhanced efficiency and reduced emissions, making it an environmentally-friendly choice. Its compact design allows for flexible installation options, fitting seamlessly into tight spaces. Additionally, the unit is equipped with an intelligent control system that optimizes performance based on usage patterns.

Moving on to the Bosch GWH 1600 H, this water heater is perfectly suited for smaller homes and apartments. It combines user-friendly operation with energy-saving capabilities. This model utilizes a unique modulating burner system that adjusts the flame intensity according to water demand, significantly lowering energy consumption. Furthermore, the GWH 1600 H incorporates a built-in safety system that ensures optimal operation under varying conditions.

The Bosch GWH 1600 P offers a similar capacity as the GWH 1600 H but with added digital functionalities. Users can expect advanced temperature settings and real-time monitoring through an intuitive digital display. This model prioritizes ease of use, allowing homeowners to customize their hot water experience effortlessly. The GWH 1600 P also reflects Bosch’s commitment to durability, featuring robust construction suitable for various environmental conditions.

Lastly, the Bosch GWH 425 PN is another versatile choice for those needing robust hot water production. It shares many characteristics with the GWH 425 HN, like high efficiency and smart technology. However, it distinguishes itself with innovative low-NOx technology, reducing nitrogen oxide emissions to meet stringent environmental regulations.

In summary, Bosch's GWH 425 HN, GWH 1600 H, GWH 1600 P, and GWH 425 PN represent a diverse selection of gas water heaters designed to suit different household needs. Whether it’s for a larger family or a compact apartment, these models provide efficient and reliable hot water solutions while employing advanced technologies to minimize environmental impact. With their focus on quality and customer satisfaction, Bosch Appliances continues to lead the way in the hot water industry.
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