What is the vent termination clearance from a soffit, deck, veranda, porch, balcony, inside corner, or outside corner of home? Clearances vary. Please check installation Manual for the correct clearance for your installation. Updated on April 13, 2021 Tagged: Clearance Was this article helpful? Yes No Related Articles What do I use to run the drip line for the condensation T? Hot Water Supply Capacity How to Install an External Remote What are the clearances to combustibles when using N-Vent? What are the clearances to combustible and non-combustible material from the heater? Can I install my heater in a closet/cabinet?