diverter valve

A blow-off valve (BOV), dump valve or compressor bypass valve (CBV) is a pressure release system present in most turbocharged engines. Its main purpose is to take the load off the turbocharger when the throttle is suddenly closed.

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  1. B

    Baxi 105e - diverter valve hw pin leaking

    Hi guys, can someone tell me why the pin that activates the micro switch for hw demand on the diverter valves leaks? I can see any seal that would prevent this so what's stops it leaking or how do I fix it without replacing the whole valve
  2. P

    Diverter valve issue

    Hi guys I have a diverter valve on a Main combi 24 he and the diaphram had split causing the rod not to push out and hit the micro switch, I changed the diaphragm and got the rod to come out and hit the switch but the hot water is not getting hot as its heating the heating side, I usually just...
  3. M

    Can a faulty diverter valve cause random firing of boiler?

    Afternoon all, Went to look at am EcoTEC Plus 831 today, customer complaining that rads get hot when DHW is run. Lo and behold, the flow pipe gets roasting hot when tap is opened, so I'm thinking diverter valve. Apparently BG changed this just over a year ago. Then she tells me that the rads...
    • Masood
    • Thread
    • boiler cause diverter diverter valve faulty firing oil random valve
    • Replies: 21
    • Forum: Plumbing Jobs | The Job-board
  4. gassafe

    Diagrphram or diverter valve!?

    I'm not too familiar with fault finding on old combis, so any advice appreciated! the boiler in question is an old alpha 240e, the hot water is not as hot as used to be, plus radiators are getting hot was the symptoms over the phone! upon inspection, the boilers fires okay when hot tap opened...
  5. J

    Diverter valve replacement

    Hi I need my diverter valve changing, I've bought the valve on line, and had some quotes to fit it (quite alot), my friend is a plumber of over 12 years but not corgi and has offered to fit it for me is he allowed to do so as this would save me a lot of money but I don't want to take any...
  6. N

    worcester 240 diverter valve diaphragm?

    Hello I need to change the diaphragm as the pin is not touching the micro switch any more and no hot water. Please can anyone advise on the quickest way to do the job. i have some pictures attached please view them? Many thanks in advanced.
    • nix
    • Thread
    • diaphragm diverter diverter valve engineer looking please plumber valve worcester
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  7. P

    Ideal HE24 Diverter Valve.

    Hi, Our boiler has started leaking from the diverter valve, Its only a very slow drip. The drip is coming from around the pin that the the actuator moves I have been looking around for a replacement parts and have found that you can buy just the cartrage for about £30. I am asumming that the...
  8. J

    Ferroli Optima 901 - Diverter valve

    Hi there, I recently (November 2012) had a service on my ferroli optima 901 due to problems of the DHW and CH not switching on (or switching on but shortly turning off). The good news was that it got a clean bill of health with one (minor) exception. I was told the likely cause of my...
  9. R

    3 way diverter valve problem - Liverpool

    My 3 way diverter is stuck in the top position. If I attempt to put the central heating on, the valve motor will buzz loudly and click. If i attempt to flick the switch to any other position it will spring back to top, and if I try to hold it in another position it will also buzz and click. It...
  10. D

    Replace alpha cb24 diverter valve or just the diaphram ?

    Hi all, just a quick question- Replace alpha cb24 diverter valve or just the diaphram? Thanks in advance Dave
  11. M

    Switchmaster three way diverter valve Replacement

    Hi again. I have just been getting advice on replacing a radiator on my sons system only to have a fuse blow on my system. It looks like the tree way diverter valve is shot. I replaced fuse and when I went to cylinder cupboard i noticed that there was a small ammount of moisture around the base...
    • Mik
    • Thread
    • around diverter diverter valve heating pipework replacement three valve
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  12. D

    flexicom diverter valve

    Ive got a leaking diverter valve in a flexicom, is there a repair kit for these or is it a case of replacing the hole valve. cheers.
  13. D

    flexicom diverter valve

    Ive got a leaking diverter valve in a flexicom, is there a repair kit for these or is it a case of replacing the hole valve. cheers.
  14. J

    Help diagnosing CH problem Biasi Riva Compact? Diverter Valve?

    Hi, Can anyone help me out diagnosing a Biasi Riva Compact HE Mk2. HW works fine. Rads stop heating except bathroom and bedroom (closest 2 to the boiler). Pump is making sounds as if it is working (stops when unplugged) Flow is hot, return is cold when CH is running. Boiler cycles keeping...
  15. C

    Diverter valve temperature?

    Hi, Just had a Baxi Solo replaced with a Worcester Bosch 24RI. I noticed that the Honeywell 3 port mid position diverter valve (V4073A1039) in the airing cupboard is always very warm (almost hot) to the touch even when the heating system (hot water & radiators) have been off for several hours...
  16. D

    Intermittent buzz in diverter valve

    Hi, I have had a new diverter valve installed a few months ago (2 port diverter valve, I'm not sure of the model but I think it's a honeywell). All has been fine for a few months, but it has started buzzing intermittently, and it's driving me nuts! Reading these forums, I think I may need a...
  17. K

    Worcester greenstar 25si Leaking diverter valve

    Just wondering if its possible to purchase a seal for diverter valve on greenstar 25si as it is leaking and going over the motor underneath or will I have to purchase the whole assembly. Thanks Neil
  18. C

    Re-fitting diverter valve assembly - Main Combi 24HE

    Hi - I have changed a leaky diaphram on my Baxi Main Combi boiler. It was the one on the central heating pressure differential valve. It's all gone back together OK except the push rod on the hot water differential valve is sticking out and stopping me from locating the valve onto the valve...
    • _Chris
    • Thread
    • assembly boiler chris combi differential diverter diverter valve main really valve
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  19. G

    Worcester combi, two pumps instead of diverter valve? Hot water bleed into radiators.

    Worcester Bosch 350 (I believe as I can't find my notes of the model number at the mo) combi boiler. A model that has two circulating pumps. As I understand it, they replace the traditional need for a diverter valve (!?). When they run hot water for a prolonged period, shower, bath. The...
    • Gingerbread Man
    • Thread
    • bleed combi diverter diverter valve hot hot water instead pump pumps radiator radiators valve water worcester
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  20. J

    Heatline Solaris Diverter valve repair.

    Anyone worked on these boilers. I fitted this boiler about four years ago and the customer has asked me to sort a problem with having to turn the central heating on to get hot water. I know that this will be a diverter valve problem so I have bought a repair kit but I've never replaced the kit...
    • John The Rad
    • Thread
    • boiler diverter diverter valve heatline removed repair these valve washers
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board

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