Boiling hot to ice cold Home › Forums › Public Forums › General Plumbing › Boiling hot to ice cold This topic has 1 reply, 2 voices, and was last updated 16 years, 6 months ago by Retired plbg1. Viewing 1 reply thread Author Posts 25 Jan 2006 at 8:44 am #277770 MasterPlumbersKeymaster Hi, The water in the taps and shower will regularly go from boiling hot to ice cold, any ideas what may be the cause of this? Thanks 25 Jan 2006 at 11:09 am #297085 Retired plbg1Participant Sounds like your fill tube in water heater is broke off, Turn off water and take cw loose from heater and try to pull out refill tube and see if it is broke, let me know. Art retired plbg 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