Checked the water heater Pressure is poor coming off the hot side, all cold lines have great pressure No fault codes on the water heater, water heater is most likely restricted from calcium build up, no water softener in line Highly recommend replacing the water heater and doing a yearly flush to insure the longevity of the heater Cut open a hot supply line and made sure no blockages, also tightened a fitting that was leaking Quoted a new tankless water heater, can give 10% discount if paid with cash or card No discount if paid with greensky financial