Hot water heaters Home › Forums › Public Forums › General Plumbing › Hot water heaters This topic has 1 reply, 2 voices, and was last updated 21 years, 8 months ago by MOE. Viewing 1 reply thread Author Posts 25 Aug 2002 at 3:08 am #275727 Bill Why are gas water heaters vented when gas stoves aren’t? Don’t they have about the same btu rating? 25 Aug 2002 at 10:30 am #292785 MOEParticipant That is true, there are also many unvented space heaters with larger Btu capacities…it’s a good question that must have a good answer somewhere?MOE Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In