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SPS 323.11(2)(b) (b) Vents. Gas and oil appliance vents shall terminate in locations specified in their listings.
SPS 323.11(3) (3)Sizing. Vents for new or replacement equipment shall be sized to adequately exhaust combustion products from the dwelling.
SPS 323.11 Note Note: The department recommends vent sizing in accordance with NFPA 54, National Fuel Gas Code or its appendix.
SPS 323.11 History History: Cr. Register, November, 1979, No. 287, eff. 6-1-80; renum. (intro) to (2) to be (1) to (3) and am. (1), Register, February, 1985, No. 350, eff. 3-1-85; r. (3), Register, January, 1989, No. 397, eff. 2-1-89; am. (2), Register, March, 1992, No. 435, eff. 4-1-92; cr. (3), Register, November, 1995, No. 479, eff. 12-1-95.
SPS 323.12 SPS 323.12 Masonry chimneys. Masonry chimneys shall conform to the requirements of s. SPS 321.30.
SPS 323.12 History History: Cr. Register, November, 1979, No. 287, eff. 6-1-80; r. and recr. Register, February, 1985, No. 350, eff. 3-1-85; am. (8), Register, March, 1992, No. 435, eff. 4-1-92; r. and recr., November, 1995, No. 479, eff. 12-1-95; correction made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672.
SPS 323.13 SPS 323.13 Factory-built chimneys or vents. Factory-built chimneys or vents shall be of an approved type.
SPS 323.13 Note Note: The department recognizes as approved, factory-built chimneys or vents designated as "residential type and building heating appliance," "building heating appliance," "B," "BW," and "L" types listed by Underwriters' Laboratories, Inc.
SPS 323.13(1) (1)Residential type and building heating appliance. An approved "residential type and building heating appliance" chimney may be used with liquid or gas-fired heating appliances where the flue gas temperature does not exceed 1000° F continuously, and does not exceed 1400° F for infrequent brief periods of forced firing.
SPS 323.13(2) (2)Type "B". An approved type "B" gas vent may be used with a vented, recessed wall heater.
SPS 323.13(3) (3)Type "BW". An approved type "BW" gas vent may be used with a vented, recessed wall heater.
SPS 323.13 History History: Cr. Register, November, 1979, No. 287, eff. 6-1-80; am. (1), Register, March, 1992, No. 435, eff. 4-1-92.
SPS 323.14 SPS 323.14 Gas vents.
SPS 323.14(1)(1) General. All gas-fired equipment shall be provided with vent pipes conforming with s. SPS 323.15 (2) (e), unless the manufacturer specifies other materials.
SPS 323.14(2) (2)Dryer venting.
SPS 323.14(2)(a)(a) Gas-fired clothes dryers shall be provided with metal venting that terminates outside the structure.
SPS 323.14 Note Note: Section SPS 322.39 (6) requires all dryer venting to terminate outside the structure.
SPS 323.14(2)(b) (b) Where dryer vent piping is concealed, a rigid metal vent pipe conforming with s. SPS 323.15 (2) (e) shall be used.
SPS 323.14(3) (3)Venting system location.
SPS 323.14(3)(a)(a) A venting system shall terminate at least 3 feet above any forced air inlet located within 10 feet horizontally. This provision does not apply to the combustion air intake of a direct-vent appliance.
SPS 323.14(3)(b) (b) The venting system of other than a direct-vent appliance shall terminate at least 4 feet below, 4 feet horizontally from, or one foot above any door, window, or gravity air inlet into any building. The bottom of the vent shall be located at least 12 inches above grade.
SPS 323.14(3)(c) (c) The vent terminal of a direct-vent appliance with an input of 10,000 Btu per hour or less shall be located at least 6 inches from any air opening into a building.
SPS 323.14(3)(d) (d) The vent terminal of a direct-vent appliance with an input over 10,000 Btu per hour but not over 50,000 Btu per hour shall be located at least 9 inches from any air opening into a building.
SPS 323.14(3)(e) (e) The vent terminal of a direct-vent appliance with an input over 50,000 Btu per hour shall be located at least 12 inches from any air opening into a building.
SPS 323.14(3)(f) (f) The bottom of the vent terminal and the air intake of a direct-vent appliance shall be located at least 12 inches above grade.
SPS 323.14(3)(g) (g) The exit terminal of a mechanical draft system shall be not less than 7 feet above grade where located within 3 feet of a public walkway that is intended for use by the general public.
SPS 323.14 History History: Cr. Register, November, 1979, No. 287, eff. 6-1-80; correction made under s. 13.93 (2m) (b) 7., Stats., Register, March, 1992, No. 435; r. and recr., Register, November, 1995, No. 479, eff. 12-1-95; cr. (3), Register, March, 2001, No. 543, eff. 4-1-01; CR 02-077: am. (2) (a) Register May 2003 No. 569, eff. 8-1-03; correction in (1), (2) (b) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672.
SPS 323.15 SPS 323.15Chimney connectors, smoke pipes and stovepipes.
SPS 323.15(1)(1) Definition. Chimney connectors, smoke pipes or stovepipes are passages for conducting the products of combustion from a fuel-fired appliance to the chimney.
SPS 323.15(2) (2)Construction and installation. The construction and installation of chimney connectors of solid-fuel-burning appliances shall comply with s. SPS 323.045 (4). The chimney connectors of all other fuel-fired appliances shall conform with the following requirements:
SPS 323.15(2)(a) (a) Concealed space. No chimney connector shall pass through any outside window, door or combustible outside wall, nor be concealed in any closet, attic or similar space.
SPS 323.15(2)(b) (b) Combustible partitions. Connectors for appliances shall not pass through walls or partitions constructed of combustible material unless they are guarded at the point of passage by:
SPS 323.15(2)(b)1. 1. Metal ventilated thimbles not less than 12 inches larger in diameter than the connector;
SPS 323.15(2)(b)2. 2. Metal or burned fireclay thimbles built in brickwork or other approved fireproofing materials extending not less than 8 inches beyond all sides of the thimble.
SPS 323.15(2)(c) (c) Pitch and length. Chimney or vent connectors shall have no more than two 45° offsets with the vertical. The horizontal length shall not exceed 75% of the total vertical height of the total venting system measured from the appliance outlet. Chimney or vent connectors shall be pitched at least 1/4-inch per foot from the appliance outlet collar vent to the chimney inlet.
SPS 323.15(2)(d) (d) Dampers.
SPS 323.15(2)(d)1.1. Manually operated dampers are prohibited in chimney or vent connectors of all appliances except wood-burning appliances.
SPS 323.15(2)(d)2. 2. A listed, automatically operated damper may be used with any heating appliance provided it is installed and used in accordance with the appliance and damper listing.
SPS 323.15(2)(e) (e) Materials and thickness. Chimney or vent connectors serving liquid fuel or gas appliances shall conform to the type of material and thickness indicated in Table 323.15-A or 323.15-B.
SPS 323.15(2)(f) (f) Clearance. Single wall metal connectors shall be installed with clearance to combustibles as indicated in Table 323.15-C. These clearances may be reduced if the combustible material is protected in accordance with the requirements of Table 323.04-B.
TABLE 323.15-A
MINIMUM CHIMNEY CONNECTOR GAUGES FOR
OIL-FIRED APPLIANCES - See PDF for table PDF
TABLE 323.15-B
MINIMUM VENT CONNECTOR GAUGES FOR GAS - See PDF for table PDF
TABLE 323.15-C
CHIMNEY CONNECTOR AND VENT CONNECTOR CLEARANCES FROM COMBUSTIBLE MATERIALS (See Note 4) - See PDF for table PDF
SPS 323.15 Note 1 These clearances apply except if the listing of an appliance specifies different clearance, in which case the listed clearance takes precedence.
SPS 323.15 Note 2 If listed type L venting system piping is used, the clearance may be in accordance with the venting system listing.
SPS 323.15 Note 3 If listed type B or type L venting system piping is used, the clearance may be in accordance with the venting system listing.
SPS 323.15 Note 4 The clearances from connectors to combustible materials may be reduced if the combustible material is protected in accordance with Table 323.04-B.
SPS 323.15 History History: Cr. Register, November, 1979, No. 287, eff. 6-1-80; am. (2) (intro.) and (g), Tables 23.15-A and C, renum. (2) (d) to be ILHR 23.155, Register, January, 1989, No. 397, eff. 2-1-89; r. (2) (c) and (f), renum. (2) (e), (g) and (h) to be (2) (c), (e) and (f), cr. (2) (d), Register, March, 1992, No. 435, eff. 4-1-92; r. and recr. (2) (d), Register, January, 1999, No. 517, eff. 2-1-99; correction in (2) (intro.), (e), (f), Table 323.15-C made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672.
SPS 323.155 SPS 323.155 Multiple appliance venting. Two or more listed gas-or liquid-fueled appliances may be connected to a common gravity-type flue provided the appliances are equipped with listed primary safety controls and listed shutoff devices and comply with the following requirements.
SPS 323.155(1) (1) The appliances shall be located in the same story, except for engineered venting systems.
SPS 323.155(2) (2) The appliances shall be joined at a manifold or Y-type fitting as close to the chimney as possible, unless the connector from each appliance enters a separate chimney inlet and the inlets are offset at least 12 inches vertically or the separate inlets occur at right angles to each other.
SPS 323.155(3) (3) The chimney connector and chimney flue shall be sized to accommodate the total volume of flue gases. For gas-burning appliances the venting area shall be at least equal to the size of the largest vent connectors plus at least 50% of the area of the other vent connectors.
SPS 323.155 History History: Renum. from ILHR 23.15 (2) (d) and am. Register, January, 1989, No. 397, eff 2-1-89; r. (2), renum. (1) (intro.), (a) to (c) to be (intro.), (1) to (3), Register, March, 1992, No. 435, eff. 4-1-92.
SPS 323.156 SPS 323.156Condensate drains. Provisions shall be made so that condensate from heating equipment drains into the sanitary drain system.
SPS 323.156 History History: Cr. Register, January, 1989, No. 397, eff. 2-1-89.
subch. VI of ch. SPS 323 Subchapter VI — Fuel Supply Systems
SPS 323.16 SPS 323.16 Fuel storage.
SPS 323.16(1)(1) LP gas storage tanks.
SPS 323.16(1)(a)(a) All LP gas storage tanks shall be constructed, installed and maintained to conform with the applicable sections of ch. SPS 340.
SPS 323.16(1)(b) (b) LP gas tanks may not be located inside dwellings.
SPS 323.16(1)(c) (c) LP gas tanks shall have welded steel supports and be permanently installed on concrete pads or foundations.
SPS 323.16(2) (2)Oil storage tanks.
SPS 323.16(2)(a)(a) Except as provided in pars. (b) and (c), oil storage tanks shall be installed in accordance with ch. ATCP 93, Flammable and Combustible Liquids.
SPS 323.16(2)(b) (b) The total storage capacity inside any dwelling unit shall be limited to 550 gallons in one tank, or not more than 275 gallons in each of 2 tanks cross-connected to a single burner.
SPS 323.16(2)(c) (c) Oil storage tanks on the inside of any dwelling shall be located at the same level as the burner it serves.
SPS 323.16(3) (3)Gas piping systems. Gas piping systems, extending from the point of delivery to the connection with each gas-fired appliance or device, shall be installed to conform with NFPA 54, National Fuel Gas Code.
SPS 323.16(4) (4)Shutoff and control devices.
SPS 323.16(4)(a)(a) Any oil-fired appliance or device connected to a fuel piping system shall have an accessible, approved manual shutoff valve installed upstream of any connector.
SPS 323.16(4)(b) (b) Automatic gas-burning heating appliances shall be equipped with listed devices which will shut off the gas to the pilot light and main burner(s) in the event of pilot failure.
SPS 323.16(4)(c) (c) Liquid fuel-burning appliances shall be equipped with primary safety controls which will shut off the flow of fuel to the burner(s) in the event of ignition failure.
SPS 323.16 History History: Cr. Register, November, 1979, No. 287, eff. 6-1-80; correction in (1) (intro.), made under s. 13.93 (2m) (b) 7., Stats. Register, February, 1985, No. 350, 3-1-85; r. and recr. (2), (3) and (4) (a), Register, January, 1989, No. 397, eff. 2-1-89; r. (1) (b), renum. (1) (c) to be (1) (b), am. (2), Register, March, 1992, No. 435, eff. 4-1-92; CR 02-077: r. and recr. (1) Register May 2003 No. 569, eff. 8-1-03; correction in (1) (a), (2) (a) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; correction in (2) (a) made under s. 13.92 (4) (b) 7., Stats., Register December 2013 No. 696.
subch. VII of ch. SPS 323 Subchapter VII — Equipment Location and Operation
SPS 323.17 SPS 323.17 Equipment location.
SPS 323.17(1)(1) Outdoor equipment. Outdoor equipment shall be located so as to not restrict the air flow or recirculation of air. Outdoor equipment so located as to be subject to damage shall be protected.
SPS 323.17(2) (2)Indoor equipment. All indoor equipment shall be installed with a minimum of 24 inches of clearance for service.
SPS 323.17 History History: Cr. Register, November, 1979, No. 287, eff. 6-1-80.
SPS 323.18 SPS 323.18 Operation.
SPS 323.18(1)(1) Instructions. Written instructions shall be provided the owner for the operation and maintenance of the system and equipment.
SPS 323.18(2) (2)Final test required. The installer shall test and balance every heating, ventilating and air conditioning system.
SPS 323.18 History History: Cr. Register, November, 1979, No. 287, eff. 6-1-80.
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