Thread: Heater control valve question
View Single Post
  #5  
Old 04-27-2023, 09:54 PM
Frank Reiner Frank Reiner is offline
Registered User
  
Join Date: Feb 2011
Location: Modesto CA
Posts: 4,388
The 201 vacuum heater valve is normally open, i.e., no vacuum = valve open.
Reply With Quote