Water heater - tankless - 4-4.9 gallon - Gas - Power vent

Water heater - tankless - 4-4.9 gallon - Gas - Power vent: This line item refers to the installation or replacement of a gas tankless water heater with a power vent and a flow rate of 4 to 4.9 gallons per minute. Power vent models use a fan to expel exhaust gases, allowing for flexible installation options and improved efficiency.