When your tankless water heater is mounted above a window or a door you need to allow it 12in of clearance.
Tankless water heater clearance window.
If the window does not open the tankless water heater clearance from a window requires a 12 inch setback.
What is the minimum clearance to doors and windows for an outdoor tankless gas water heater.
A clearance above grade veranda porch deck or balcony.
Cpc 508 4 required access clearances to combustibles and vent termination location per manufacturer s instructions.
30 cm above anticipated snow level.
Should the window remain closed at all times you can give a 12 in setback for the water heater.
Not installed in attic or other spaces where damage may result from a leaking water heater without an approved safe pan beneath the water heater with a minimum inch drain to an approved readily visible location.
B clearance to window or door that may be opened.
Sunday june 17 2018 an outdoor gas tankless water heater should not be located within an area extending twelve inches to the side and one foot above or below any door or the operable area of a window that can be opened per ansi a21 10 3.
Clearance to windows and doors is generaly 5 6 feet but can be as low as 3 feet according to your authority having the final say.
A tankless water heater requires a 4 foot clearance from the side or below a door or window that opens unless the unit is directly vented to the outside.
If the water heater is installed above the.
Tankless water heaters should not be installed near dryer vents or intake air vents.
Macneish january 26 2011 8 04pm 4.
Tankless water heater vent clearances if the unit is vented to the outside then it needs 12 inches of clearance from a door or window.