1 Gas Hot Water Boiler: Burnham Boiler- Perform a tune-up and cleaning to help ensure reliable and safe operation. Inspect for cracks & deterioration of Heat Exchanger Check and clean Burners tubes and heat exchanger- ok, vacuumed-ok Check ignition Assembly-ok. Check Safety Controls-ok Check electrical wiring and components-ok Check Gas valve & Gas Line-ok Check Combustion Air & Exhaust-ok Check Temperatures & Water pressure settings; 20psi Performance-ok Check and run Thermostats- operating well at this time. Check circulator pump-ok amps and voltage check. Lubricated pump. Inspected vent damper. Checked CO2-CO. Customer has T pipe that needs to corrected to TY for combustion for boiler and hot water heater venting. Check water feeder, relief valve and expansion tank. Check for water leak no leakage at this moment. Run and monitored for good operations. All zones are fine supply and return lines getting hot. Perform check for HWH. Check for water leak, no leakage at this time. Check c