Changed Showerhead and Hose, disaster!

Discussion in 'Plumbers' Talk' started by Hannah1992, Nov 15, 2019.

  1. Hannah1992

    Hannah1992 New Member

    Morning All,

    I changed the shower head and hose last night on my Electric Shower.

    I ran the water, it worked fine. One of us had a shower, fine.

    I go to have a shower and decide to just make sure all the different settings are working on the shower head as i get to the one with the most pressure, It stops and water starts spurting from inside the shower box.

    I've opened up the shower box and had a look online and am seeing its something to do with the water pressure safety valve? I've attached a picture and circled where the water is coming from.

    If i run the water without the hose on, water runs fine, as soon as i attached the hose, the water starts coming out of that part again.

    Can someone please help? What have i done!!

    Thank you IMG_31042.jpg
     
  2. koolpc

    koolpc Screwfix Select

    Make sure electric switched off if opening up the unit!

    Have you tried it with the old hose back on?
     
  3. Kas228

    Kas228 Screwfix Select

    Was just going to say same. Could the new hose be restricting the amount of flow through the unit? Need to check old hose or another you have around maybe.
     
    Hannah1992 likes this.
  4. Hannah1992

    Hannah1992 New Member

    I've put the old hose back on, same trouble...
     
  5. Kas228

    Kas228 Screwfix Select

    Another thing, did you screw the new hose on correctly? Could it have been cross threaded so not creating a seal?
     
  6. Hannah1992

    Hannah1992 New Member

    i believe so, it was all aligned and tightened
     
  7. terrymac

    terrymac Screwfix Select

    The prd has been operated ,you need a new one to be fitted.
     
  8. Hannah1992

    Hannah1992 New Member

    is this something i can do myself?
     
  9. terrymac

    terrymac Screwfix Select

    Probably. This device acts upon excessive back pressure. Its likely that the hose and shower head that you have fitted has caused it to operate. You should only fit hose / shower head that shower manufacturer recommends for the model you have.
     
    seneca, Hannah1992 and koolpc like this.
  10. koolpc

    koolpc Screwfix Select

  11. Hannah1992

    Hannah1992 New Member

  12. terrymac

    terrymac Screwfix Select

    How old is the electric shower ?
    There are other causes of prd blowing ,such as build up of limescale within the shower / heat cannister , is the area that you live in a " hard water" area ?
     
  13. WillyEckerslike

    WillyEckerslike Screwfix Select

    What does that mean? I hope you haven't paid him a compliment. He'll be insufferable...
     
    Hans_25 likes this.
  14. just pumps

    just pumps Screwfix Select

    Rubber washer seal missing?
     
  15. Hannah1992

    Hannah1992 New Member

    it is a hard water area. Shower is only 6-7 years old. Ive bought the part now and hoping to change it and it fixes!
     
  16. Hannah1992

    Hannah1992 New Member

    Haha it is a compliment, it means most valued player
     
  17. Sparkielev

    Sparkielev Screwfix Select

    As already been said I would check hose if little black washer hadn't fallen out
     
  18. Kas228

    Kas228 Screwfix Select

    Op states that it works fine without the shower hose. Does that make sense? Got to be something simple surely.
     
  19. Sparkielev

    Sparkielev Screwfix Select

    Which was why I thought black washer was missing
     
  20. terrymac

    terrymac Screwfix Select

    The op has circled ,in first pic, where the water comes out ,its the prd ( PRV). Without a hose ,there is no restriction what so ever at the outlet ,and water will flow straight out . Hardly any ( if at all ) ,would come out the prd's outlet.
     
    WillyEckerslike likes this.

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