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Rinnai. <br /> Type of Appliance Condensing, Tankless, Temperature controlled, continuous flow, <br /> gas hot water system, Energy Star Qualified <br /> Rinnai model number REU-KB3237WD-US <br /> Operation / Installation Forced combustion-, outdoor only <br /> Minimum/Maximum Gas Rate (Input) 15,200 - 199,000 BTU/h <br /> Electrical Appliance: AC 120 Volts- 60 Hz <br /> Temperature Controller: DC 12 Volts <br /> Electrical Consumption Normal: 63 w Standby: 2 w Anti-frost protection: 168 w <br /> Ignition System Direct electronic ignition <br /> Hot Water Capacity Minimum flow rate: 0.26 GPM <br /> Minimum activation flow rate: 0.4 GPM <br /> Maximum flow rate: 9.8 GPM <br /> Temperature 98° - 120° F (factory default) Maximum temperature is selectable at <br /> 120° F or at 140° F, 98° - 185° F available with the MCC-91-2 <br /> controller for commercial and hydronic applications <br /> Temperature (without remote) 120° F (factory default) or 140° F <br /> Approved Gas Types Natural or Propane (ensure unit matches gas type) <br /> Energy Factor(EF) Natural Gas: 0.95 Propane: 0.95 <br /> Service Connections Gas supply: 3/4 inch MNPT <br /> Cold water inlet: 3/4 inch MNPT <br /> Hot water outlet: 3/4 inch MNPT <br /> Isolation & Pressure Relief Valves Included Heavy duty forged brass Webstone Isolator valves EXP E2, certified <br /> to NSF/ANSI 61-8 for potable water <br /> Water Flow Control Water flow sensor, electronic water control and by-pass control <br /> Minimum/Maximum Water Supply Pressure 15 - 150 PSI (50 PSI or above is recommended for maximum flow) <br /> Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior <br /> notice. Local, state, provincial and federal codes must be adhered to prior to installation. <br /> -------------- + - <br /> ---_f___+ ___- <br /> 9.0 -_ -_ y___ ___-------___rt____- _ <br /> 8.0 <br /> 7.0 ---A------:- <br /> .0 .________ ____t_____-_t___.�___________ .F___t___ ___t____---------- ------- ___i____ <br /> . ___.___ y___y_______ <br /> --i---`------F---;------i-- --i---Y----r--- <br /> L ______�___L___T____-T_-�___T___�_____ ___�___.___--_ - ______ ___------------- <br /> -------------------- <br /> __ __ ___ <br /> +� __.____L___:____�_______L__._,____F.__ ______1_x___.•____1______�___1__ _�__ 1___t___1__ <br /> ca4.0 o--- --------4--- ---'---t- t - T t <br /> -t t <br /> _______ <br /> 3.0 <br /> --- <br /> +- ---- - i <br /> 1.0 i____t__y____t___----t---y______.e-_____ f___t-_ ___}_______y___t__i___y______�___i___w___i___ <br /> ___4----t___y----I____ <br /> 0 25 50 75 100 125 150 <br /> delta T-Temperature Rise ()F) <br /> ©2012 Rinnai Corporation RU98e SP 3/2012 SF r1 <br />