Tankless Water Heater Clearance Window

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.

Tankless water heater clearance window. 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. What is the minimum clearance to doors and windows for an outdoor tankless gas water heater. 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.

Tankless water heaters should not be installed near dryer vents or intake air vents. 30 cm above anticipated snow level. A clearance above grade veranda porch deck or balcony. Macneish january 26 2011 8 04pm 4.

Should the window remain closed at all times you can give a 12 in setback for the water heater. If the window does not open the tankless water heater clearance from a window requires a 12 inch setback. 30 cm above anticipated snow level. You re only going to need 12 in setback from the window door in the case of direct vent installation.

B clearance to window or door that may be opened. 15 cm for water heaters less than or equal to 10 000 btuh 3 kw. Cpc 508 4 required access clearances to combustibles and vent termination location per manufacturer s instructions.