Hight Efficiency gas boiler/AHUs X1 Gas Boiler. X1 Indirect hot water tank. X3 AHUs / Hydro coils. X1 Ductless Perform a tune-up and cleaning to help ensure reliable and safe operation. Inspect for cracks & deterioration of Heat Exchanger. Check and clean Burners an heat exchanger- ok, vacuumed-ok Checked and cleaned flame sensor and ignition Assembly-ok Check Safety Controls-ok Check electrical wiring and components-ok Check Gas valve & Gas Line-ok Check Combustion Air & Exhaust, intake lines-okay Check GVD Damper-N/A Check Temperatures & Water pressure settings; Performance-ok Check and run Thermostats- operating well at this moment. Check circulation pumps-ok Check and clean condensate pump and drain line Check and run indirect hot water tank -ok Check for water leak,no leakage at this moment Check and clean condensation trap of the boiler-ok Check for water leak, no leakage at this moment. Perform maintenance on air handlers Check fan blower motor-ok Check electrical wiring an