All emission of liquid or gas water heaters which are tankless needs vent pipes made of stainless steel and approved by ul.
Water heater vent installation.
Vent adapter is needed to connect the water heater which is tankless to the exhaust hose.
Then hold an extinguished match near the vent hood.
This difference in operation means that you can install a direct vent system almost anywhere.
Gas water heater vent pipe connector must continuously run upward towards the chimney entrance rising not less than 1 4 per linear foot to provide proper draft.
Discover the differences between single wall vents.
It s easier to run the vent if you install a power vented type of natural gas or propane water heater.
To check the venting on your existing unit close all windows and doors and turn on all gas appliances and exhaust fans and turn up the temperature on your water heater for a few minutes.
Select either an adapter of three inch or an adapter of four inches depending on what water heater model you decide.
The blower pushes the exhaust and excess heat through the exhaust venting.
A direct vent system pulls in air from outside and then vents the exhaust through a horizontal pipe.
Before properly venting a gas water heater it s important to determine if there is a proper natural draw.
Smith power vent gas water heaters are equipped with an electric blower fan that is installed on top of the water heater which requires an electrical outlet to be close to the water heater.