I have a Ruudglas PE52-2 C water heater, it is leaking from the very top (under the brown cap that covers the whole unit) at about 2-3 drips a second.It is dripping right some electirics - in fact water has pooled in the area right under the stuff that is covered by the panel that says "Power supply must be disconnected before adjusting thermostat or resetting E.C.O." I have a Ruudglas PE52-2 C water heater, it is leaking from the very top (under the brown cap that covers the whole unit) at about 2-3 drips a second. It is dripping right some electirics - in fact wa … read more Plumbing and Piping - hot water heater - I have a Ruud hot water heater serial# RU 0397B26963 Model # PE52-2 C I get hot water but only for about 3-4 minutesI've been told it could be a heating elementI don't have my owners manualit is less than 5 years oldI was also told it could be mineral build up and to Pe52 2c manual Rheem residential indoor gas tankless boiler user manual (14 pages). I have a Ruud hot water boiler series #RU 0397B26963 Model # PE52-2 C I. Dultmeier Sales is closed Thursday 26 November and Friday 27 November taking into account Thanksgiving Dultmeier Sales is closed Thursday 24 December at 12pm and all day Friday 25th December. RUUD ECLIPSE ELECTRIC WATER HEATER MANUAL [PDF] (2003) commercial grade 85 & 105 gallon models. Illustrated above. RUUD LIGHT DUTY ELECTRIC WATER HEATER USE & CARE MANUAL [PDF] 30, 40, 50, 65, 80 and 120 gallon capacities; Below: an old Ruud gas fired water heater in Poughkeepsie, New York.