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Air Gap Sizing Calculator
Determines required air gap dimensions for plumbing fixtures and equipment per plumbing codes.
Outlet Diameter
?
Diameter of inlet/spout.
inches
Wall Mounted?
?
Proximity to wall affects gap.
Submerged Inlet Risk?
?
Potential for submersion increases requirement.
Calculate
Results
Required Air Gap
-
inches
Code Basis
-
References:
IPC Section 608.13, UPC Section 603.2, ASPE Air Gap Tables