Distance between LPG Cylinder and electric Hot Water Service Home › Forums › Public Forums › Gas & Gasfitting › Distance between LPG Cylinder and electric Hot Water Service This topic has 1 reply, 2 voices, and was last updated 18 years, 9 months ago by PLUMBILL. Viewing 1 reply thread Author Posts 5 Dec 2005 at 11:01 am #278374 MasterPlumbersKeymaster Each would be enclosed in their own cabinet (timber/cement sheet) but wondering if there is a minimum distance required between the two units. 7 Dec 2005 at 7:39 pm #298405 PLUMBILLParticipant If the tank is 125 gallons or less you just need 3′ spacing per ICC and 5′ of spacing for ASME requirements, your supplier should know what standard you must meet. 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