Winterizing Home › Forums › Public Forums › Drainage & Sewerage › Winterizing This topic has 2 replies, 3 voices, and was last updated 21 years, 2 months ago by racefanone. Viewing 2 reply threads Author Posts 28 Aug 2003 at 2:51 pm #279313 MasterPlumbersKeymaster What should I put in the drains and toilet bowl and tank when closing a house for the winter 28 Aug 2003 at 10:33 pm #300521 Retired plbg1Participant Drain all water in house, they have some material at store for putting in bowl a traps check the Plumbing supplyhouse are box stores are the internet search. Art retired plbg 28 Aug 2003 at 11:10 pm #300522 racefanoneParticipant Rv anti-freeze works great and it is non toxic,enviromentally friendly.That is what I use. Author Posts Viewing 2 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In