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PRD replacement on a Triton shower?

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  • Jon_01
    Jon_01 Posts: 5,915 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    Doesn't the whole bottom third of the surrounding casing pull off?
    There appears to be a joint roughly a third of the way up the LH side, and slightly higher on the RIght.

    Yes, I'm an idiot, I completely miss that!  All working again now. Thank you very much!!  :smile:
  • Jon_01
    Jon_01 Posts: 5,915 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    cerebus said:
    You generally can't twist pipes especially 180 degrees as that breaks them 


    Also what thisisweird said is correct you can remove the bottom third for ease of installation although in your case you will need to disconnect and remove the shower from the wall to access the back 

    Why are you replacing the PRD anyway? (Just curious)


    The PRD blew last night. I have no idea why, I've changed it and run the shower, no problem now. 

    I didn't need to remove it from the wall, the bottom third just unclips and gives access to the pipe.
  • ThisIsWeird
    ThisIsWeird Posts: 7,935 Forumite
    1,000 Posts Second Anniversary Name Dropper
    edited 21 October 2023 at 3:57PM
    Good job.

    Is the PRD a safety pressure valve? I remember such a thing blew on my in-law's Triton (a lesser model) and fired a steel ball onto the tray. 
    They had silly-high mains pressure, well in excess of 4bar, and it also caused noisy taps and toilets. I fitted a PRV just after the stopcock, and tweaked it down to 3bar. All good then.
    If you have hard water, check your shower head isn't partially blocked, as that can cause a pressure build-up inside the shower itself, especially if you have it turned down to cool, as this opens up the flow more, and increases the pressure inside the unit. 
    So perhaps worth cleaning your 'head, and checking your pressure? Turn on cold kitchen tap to full, and see how wet yer troos get. 
  • cerebus
    cerebus Posts: 677 Forumite
    500 Posts Name Dropper
    It stands for pressure relief device 

    OP just changing the prd won't fix what ever issue caused it to blow in the first place , you need to do some investigation as mentioned above 

    Basically you have fixed the symptom but not the cause , if you do nothing it will eventually blow again 
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