- Shut water off to complex to and drain water heater - Remove existing water heater and dispose of unit - Modify existing water supply to accommodate new heater dimensions - Water heater installed at same location of existing tank type water heater - New water heater tested for leaks using building pressure - Gas supply piping modified to meet minimum safety standard - Water heater thermal expansion tank installed to replace existing leaking unit - Start up sequence and fine tuning adjustments included 3 YEAR WARRANTY