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Site 389
System type: Pumped - differential controller
Installed: 1996
Inspected: 2004
System is still operating.
Differential controller and sensor test indicated no problems.
Ceiling penetration poorly done.
Collector is in good condition. Note leaves accumulation at collector and piping.
Exterior insulation is still intact but deteriorating. Sections of insulation protected with metal foil tape are in relatively good condition.
Air vent exhaust is becoming clogged. Freeze valve exhaust is too close to the roof.