System type: Pumped - differential control
Leak at fittings (feed line pump and isolation valve).
Sensor wiring unsecured. Draped over pipes.
Freeze valve was dripping small amount of water.
Excess sensor wiring not secured.
Sensor lead/sensor wiring terminal is unsecured and exposed to environment.
Insulation is deteriorating.
Air vent port is sealed due to calcification.
Metal parts in freeze valve are rusting.