User manual BOSCH GWH 345 ESR

[. . . ] GWH 345/450 ESR Temperature Modulated with Electronic Ignition Suitable for heating and recirculating potable water GWH-345/450-ESR-N - Natural Gas GWH-345/450-ESR-L - Liquefied Petroleum (LP) Gas Warning: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Do not store or use gasoline or other flammable vapor and liquids in the vicinity of this or any other appliance. Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. For assistance or additional information consult a qualified installer, service agency or the gas supplier. [. . . ] The vent terminator must extend at least 3 feet (0. 9 m) above where the chimney meets the roofline and at least 2 feet (0. 6 m) higher than any vertical wall or similar obstruction within 10 feet (3. 1 m). The top of the chimney must be sealed to prevent rain water or other elements from entering the chimney. Exterior Masonry Chimney Refer to the National Fuel Gas Code and consult a local venting HVAC contractor. 3. 6. 6 Horizontal terminations Warning: Pitch the last horizontal pipe and the termination to the outside 1/4" per foot to prevent rain water from entering the pipe. Install a condensate drain if the total straight vent length is greater than 5 feet or if the exhaust vent pipe passes through an unconditioned space. The exhaust termination tee must project out a minimum of 10" and maximum of 16" on center from the wall thimble. 21 and table 10 show the required clearances for the vent termination. 20 Vertical vent termination clearances GAS VENT TERMINATIONS FOR LISTED VENT CAPS Roof pitch Flat to 6/12 6/12 to 7/12 Over 7/12 to 8/12 Over 8/12 to 9/12 Over 9/12 to 10/12 Over 10/12 to 11/12 Over 11/12 to 12/12 H (min. ) feet 1. 0 1. 25 1. 5 2. 0 2. 5 3. 25 4. 0 meters 0. 30 0. 38 0. 46 0. 61 0. 76 0. 99 1. 22 Table 9 Termination heights at various roof pitches 18 6 720 607 909 Installation instructions 3. 6. 6. 1Requirements for installation in Massachusetts Attention residents of the Commonwealth of Massachusetts: In the Commonwealth of Massachusetts the following regulation went into effect on 12/30/2005: (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. At the time of installation of the side wall horizontal vented gas fueled equipment, the installing plumber or gasfitter 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 gasfitter 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. 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. 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. 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. 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. 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)MANUFACTURERS REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM REQUIRED. When the manufacturer of Product Approved side wall horizontally mounted gas equipment provides a venting system design or venting system components with the equipment, the instructions provided by the manufacturer for the installation of the equipment and the venting shall include: 1. [. . . ] Hotter water temperatures can result in scalding and wasted energy. 38 6 720 607 909 Ten Year Limited Warranty 10 Ten Year Limited Warranty costs associated with service, removal or re-installation of the original water heater or a replaced water heater. General BOSCH PRO water heaters are warranted by the Manufacturer. BBT North America Corporation will furnish a replacement heat exchanger and will furnish a replacement of any part which fails in normal use and service within the applicable periods specified below, in accordance with the terms of this warranty. The replacement will be warranted for the unexpired portion of the original warranty. This warranty will be valid only for water heaters in possession of the original purchaser as recorded on the warranty card. [. . . ]