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Site 396
System type: Pumped - differential controller
Installed: 1996
Inspected: 2004
System is still operating.
Conducted test of controller and sensors – no problems.
Defective pump had been replaced in 1996 by FSEC staff during installation inspection.
Exterior insulation is deteriorating. Exposed piping gaps in insulation.
Insulation that was protected with metal foil tape is in good condition. Sections protected with paint type coating are deteriorating.
Air vent is clogged. Freeze valve exhaust is too close to roof.