PH-28 Series
19,000 - 199,900 BTU/hr input (modulated). Commercial Grade Unit designed
for use in traditional hot water supply systems. Ideal for multiple apartments,
nursing homes, condominium applications or light commercial use.  
Electronic controls, self-diagnostics, and digital display.  Operational single
or multiple controller included. Equipped with oxygen depletion safety
device. Indoor models feature power vent. Ten year warranty on heat
exchanger, Three years on parts. Electronic continuous sparking ignition
.



PH-28RIFSP         LP-Gas - Indoor mount
PH-28RIFSN        Natural Gas - Indoor mount  




    
PH-28ROFP          LP-Gas - Outdoor mount
PH-28ROFN         Natural Gas - Outdoor mount




      
PH-28RDVSP         LP-Gas - Direct Vent
PH-28RDVSN        Natural Gas - Direct Vent         
                                





Temperature Rise (°F)    45°        50°        60°        70°        80°        90°        100°
Water Flow Rate (GPM) 7.4        6.7        5.6        4.8        4.2          3.7         3.4
Water Flow Rate (GPH) 444        402       336       288       252         222        204
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