Skip to navigation
RHW — Rain Cap (3-8")

How to Specify

Using tables from the National Fuel Gas Code or our Sizing & Application Guide, determine the diameter of venting required. The Sizing & Application Guide also offers tips on good design including multi-appliance system sizing and design.

How to Purchase

Vent FAQs

RHW — Rain Cap (3-8")


Submittal Data (57 KB, PDF)
  • HC_RHW_drwPrevents rain and debris from entering the vent.
  • External screen prevents entry of birds.

Rain Cap (3"–8")

ModelSizeDim. ADim. B
3RHW3"8 1/4"4 1/2"
4RHW4"9 1/4"4 7/8"
5RHW5"10 1/2"5 1/4"
6RHW6"11 1/4"5 5/8"