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

3-8" Rain Cap

ModelSizeDim. ADim. B
3RHW3"6"3 1/4"
4RHW4"8"4 1/4"
5RHW5"10"5 1/4"
6RHW6"12"6 1/4"
7RHW7"14"7 1/2"
8RHW8"16"8 1/2"