M Matt0029 Gas Engineer Messages 1,192 Sep 6, 2024 #1 Do these fill valves have a double check valve in the tail? Seems to imply it in the technical. Attachments Screenshot_2024-09-06-16-14-55-56_40deb401b9ffe8e1df2f1cc5ba480b12.jpg 174.6 KB · Views: 104
B Basher Messages 739 Sep 6, 2024 #2 It doesn't imply it in the leaflet, or on the Screwfix or Toolstation website. What is a double check filter anyway? Upvote 0 Downvote
It doesn't imply it in the leaflet, or on the Screwfix or Toolstation website. What is a double check filter anyway?
ShaunCorbs Super Moderator Staff member S. Mod Plumber Gas Engineer Subscribed Messages 34,711 Solutions 1 Sep 7, 2024 #3 That was in 2021 so maybe still there or updated design ? Attachments IMG_9018.png 824.5 KB · Views: 20 Upvote 0 Downvote