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COM M E RC IAL-GRADE <br /> Ce fSm i t h® RESIDENTIAL/COMMERCIAL GAS WATER HEATERS <br /> TANKLESS HIGH EFFICIENCY CONDENSING MODELS <br /> Gas Consumption Input Inlet Gas Pressure Dimensions in Inches A prox <br /> Model Maximum Hot/Cold Gas Pp g <br /> Number Type Minimum Maximum Minimum Maximum UEf GPM• CanneRions Connection Height Width Depth WeighL1(1bs) <br /> BTUIH BTUin.W.C. Malum <br /> Indoor Models _ <br /> ATI.240H-N Natural 15,000 160,000 4.0 10.5 0.94 6.6 3/4"NPT 314'NPT 23-5/8 17-3/4 11-1/4 71 <br /> ATI.240H-P Propane 13,000 160,000 8.0 14.0 0.94 6.6 3/4"NPT 314"NPT 23-5/8 17-3/4 11-1/4 71 <br /> ATI.340H-N Natural 15,000 180,000 4.0 10.5 0.95 8 3/4'NPT 3/4'NPT 23-5/8 17-3/4 11-114 71 <br /> ATI.340H-P Propane 13,000 180,000 8.0 14.0 0.95 8 3/4'NPT 314"NPT 23-5/8 17-3/4 11-1/4 71 <br /> ATI-540H-N Natural 15,000 199,000 4.0 10.5 0.93 10 3/4'NPT 314"NPT 23-5/8 17-3/4 11-114 71 <br /> ATI.540H-P Propane 13,000 199,000 8.0 14.0 0.93 10 3/4"NPT 314"NPT 23-5/8 17-3/4 11-1/4 71 <br /> Outdoor Models <br /> ATO-240H-N Natural 15,000 160,000 4.0 10.5 0.95 6.6 3/4"NPT 314"NPT 23-5/8 17-3/4 11-114 69 <br /> ATO-240H-P Propane 13,000 160,000 8.0 14.0 0.95 6.6 3/4"NPT 314"NPT 23-5/8 17-3/4 11-1/4 69 <br /> ATO.340N-N Natural 15,000 180,000 4.0 10.5 0.94 8 3/4"NPT 314'NPT 23-5/8 17-3/4 11-1/4 69 <br /> ATO.340H-P Propane 13,000 180,000 - 8.0 14.0 0.94 8 3/4'NPT 314"NPT 23-5/8 17-3/4 11-1/4 69 <br /> ATO.540H-N Natural 15,000 199,000 4.0 10.5 0.95 10 314"NPT 314'NPT 23-5/8 17-3/4 11.1/4 69 _ <br /> ATO.540H-P Propane 13,000 199,000 8.0 14.0 0.95 10 3/4'NPT 314"NPT 23-5/8 17-3/4 11-1/4 69 <br /> 15-150 PSI Water Pressure.40 PSI or above recommended for maximum flow. <br /> -Cuoent numbers based on factory testing;0.5 GPM for aetnadon;OA GPM required for continuous fire after Initial ignition. <br /> Indoor models are certified from sea level to 10,100 h.elevations.0utdoor models are cenified from sea level to 6,000 ft.elevation. <br /> Page 2 of 6 <br /> AOSRG46835 <br />