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Name <br /> <br /> Maximum Size of <br />Primary Air Orifice <br /> <br />Exch. Model, 7" dia. stack 0.8 sq. in. <br />Lazy Flame,24" stack 0.8 sq. in. <br />Hy-Lo 230-A 0.8 sq. in. <br />20" 230-A 0.8 sq. in. <br />Lazy Flame, 18# stack 1.2 sq. in. <br />Nat'l Jr. Louvre, 18" stack 1.2 sq. in. <br /> <br /> Equivalent Draft <br /> ReEUlator Adjustment <br />1 hole, 15/.16" alia. <br />i hole,l~16" dia. <br />i hole, l~/.16" dia. <br />i hole, 15~16" dia. <br />11~ hole, 15~16" dia. <br />hole, 1~/16" dia. <br /> <br /> No heater discharging unconsumsd solid carbonaceous matter at a <br /> rate in excess of one gram per minute shall be considered a <br /> Class II heater and no such heater may be used within the City." <br /> "Section 5306. Prohibition of Sale of Heaters. <br /> <br /> No person shall sell, offer for sale, or for use, within the City <br /> any orchard heater other than those herein designated as Class I and <br /> Class II heaters, nor shall any Class II heater as herein defined be <br /> sold or offered for sale or use unless ~ I parts are tight fitting a <br /> and the primary air orifice is within the maximum allowable specifi- <br /> cations herein above set out for the particular heater after October <br /> 1st, 1957-" <br /> <br /> "Section 5307. Heater 0il Specifications. <br /> <br /> No person shall burn any fuel in any Class II heater within the <br /> City after October 1, 1957 which does not conform to the following <br /> minimum specifications: <br /> <br /> A distillate fuel meeting the following specifications: <br /> <br /> 1. Gravity °API (American Petroleum Institute) at 60© F.-- <br /> 31 Min. (ASTM (American Society for Testing Materials) <br /> D-287-39). <br /> <br /> 2. Flash point minimum 150° F. (Pensky-Martens Closed Testor <br /> ASTM Designations: D-93). <br /> <br /> 3. Distillation: initial (minimum 350° F.; 90%--625© F. max- <br /> imum end point 700© F. (maximum): 98% recovery minimum. <br /> <br /> 4' Carbon residue, bottom 10%, 0.5% (maximum). <br /> 5. Sulphur content, per cent by weight, 0.80% (maximum). <br /> <br /> If oil meeting the above specifications is not available, then in <br />lieu of the above specifications any oil sold, delivered, or used for <br />the purpose of orchard heating shall meet the minimum ASTM specifica- <br />tions of #2 fuel oil or ~2 deisel fuel, and before sale or delivery <br />shall be processed and/or have included therein an additive to sus- <br />pend or homogenize the heavier fractions of the oil with the lighter <br /> <br />fractions in order to decrease self-distillation or cracking processes <br />when burning in an orchard heater." <br /> -3- <br /> <br /> <br />