Water Heater Vent Height Above Roof

Illustrations of proper gas fired water heater venting using type b double wall vent pipe through a roof above or through a chimney below include details for the flue vent connector such as the requirement of a minimum vent connector upwards slope of 1 4 per foot of horizontal run.

Water heater vent height above roof. Water heater replacement guideline height every attic roof mezzanine or platform more than 8 feet above the ground or floor level shall be made accessible by a stairway or ladder the vent and the water heater must maintain clearance from combustible materials such as wall framing or roofing. It does not appear to be as high as the peak of the house. My vent pipe extends about 2 feet above roof and has a round cap on it. When installing a gas water heater building codes requires that they be ventilated out of the room through the attic and out through the roof.

The chimney above the roof is in very poor condition. Here s my question can i disassemble the chimney to just below the roof boards and vent the water heater a few feet above the roof material using a liner of some sort. One on the ceiling above the water heater and one that is the distance from the attic floor to the roof. In order to do this two critical measurements must be taken.

Within a height 15 feet 4 57 m above the meter regulator assembly 3 feet 0 91 m 3 feet 0 91 m 6 feet 10 flat roof flashing 12 wall thimble 13 water heater guard 14 pass through document viewer.