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A hydrothermal vent is a fissure on the seafloor from which geothermally heated water discharges. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart at spreading centers, ocean basins, and hotspots. Hydrothermal deposits are rocks and mineral ore deposits formed by the action of hydrothermal vents.
Hydrothermal vents exist because the earth is both geologically active and has large amounts of water on its surface and within its crust. Under the sea, hydrothermal vents may form features called black smokers or white smokers. Relative to the majority of the deep sea, the areas around submarine hydrothermal vents are biologically more productive, often hosting complex communities fueled by the chemicals dissolved in the vent fluids. Chemosynthetic bacteria and archaea form the base of the food chain, supporting diverse organisms, including giant tube worms, clams, limpets and shrimp. Active hydrothermal vents are thought to exist on Jupiter's moon Europa, and Saturn's moon Enceladus, and it is speculated that ancient hydrothermal vents once existed on Mars.

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  1. S

    Shower waste fitting vent?

    The old shower waste that was removed from the bathroom had a section where the waste went from 40 up to 50mm with an adapter. The pipes were run above floor and boxed in. Along a 2.5mish run There was this part just before the transition from 40 to 50 mm Going to be running my new shower...
  2. D

    Any advice on heat recovery fans from Vent Axia and how good thier "h" humidity function works?

    Hi I have an old house which has had double glazing fitted to the rear of the property, in the kitchen, good for heat retention but not for damp. I was expecting to buy a Vent axia in-room MHVR fan to help with drying out the room and maintaining its temperature. The model which I think...
    • diy_massacre
    • Thread
    • advice america function heat usa vent works
    • Replies: 21
    • Forum: USA
  3. L

    Heat exchanger for new boiler on legacy open vent system

    Hi, We are planning to replace a 50-year old boiler for the communal heating-only (no hot water) of a residential block of 12 flats with 60 radiators. We have an open vent system. Our heating engineer recommends the GB162 100KW, WITHOUT a plate heat exchanger, because he says that heat...
  4. C

    How far can my washing machine be from the vent?

    Hello, *Disclaimer: Please forgive the messy photos. Our small storage/laundry room is a never-ending clean/mess zone I am attempting to move my washing machine so that we can actually have some space in our small laundry/storage room, but I am unsure if this is possible due to code/physics...
    • cravenpipes
    • Thread
    • america far machine need advice standpipe usa vent washing washing machine
    • Replies: 8
    • Forum: USA
  5. M

    Changing soil vent AAV

    I have an AAV connected to the soil pipe. The model is ventapipe vp50p which is leaking and causing foul smells. It needs to be replaced but I can't manage to pull out the old AAV from the soil pipe. It is a push fit connection (so not welded) but no amount of pulling or twisting budges it. Is...
    • Maxima88x
    • Thread
    • aav america changing soil usa vent
    • Replies: 2
    • Forum: USA
  6. B

    Installing Selkirk flexible vent on water heater

    I am trying to install Sellkirk flexible vent onto my water heater and I’m getting confused as to which end connects to the water heater and which end attaches to the existing vent pipe. The flexible pipe has two ends one of which is a male one of which is female but I don’t know which is which...
    • Buzzer
    • Thread
    • america flexible heater installing usa vent water water heater
    • Replies: 1
    • Forum: USA
  7. G

    Automatic air vent screw

    Just a quick question the black screw on the vent is it suppose to be screwed tight or undone under normal operation
    • Gibbo1471
    • Thread
    • air air vent america automatic screw usa vent
    • Replies: 5
    • Forum: USA
  8. M

    Mains feed and vent pipe on vented system

    I have a boiler to swap on a vented system. The open vent was presently attached straight to the boiler. And the cold feed is tee'd in to the hot water return near the coil. When I install the new boiler (it's staying vented). Would I be best off changing the cold fill postion I will obviously...
    • Matt0029
    • Thread
    • america mains pipe system usa vent vented
    • Replies: 7
    • Forum: USA
  9. A

    Open plumbing vent pipe in the upstairs wardrobe

    Hello looking for advice and help here. We recently noticed weird smell in one of our upstairs room wardrobe, and cleaned up the whole wardrobe to no avail. We noticed this ope vent pipe inside the wardrobe and the smell seems to be coming from this. can anyone help me in figuring out what...
    • Abhijit
    • Thread
    • america open vented pipe plumbing upstairs usa vent vented
    • Replies: 5
    • Forum: USA
  10. M

    Do I Need to Vent

    Hi Guys I need to fit a new waste trap connection under a bathroom basin, the pipe from the basin has no other pipes joining into it, it simply connects directly into the soil stack, the stack is vented at roof height. There is a shower waste, bath waste and toilet waste all connected into...
  11. T

    Open vent heating system - Vent discharge

    Got to look at a system which is discharging out of the open vent. Any tips, hints? Gonna check f&e/pump connection locations. Pump speed. System water quality for indication of blockage. Worth cutting out the feed tee to check for blockage? Any others?
  12. AJ2020

    Rain water coming in through boiler vent

    I have an old Ideal Classic boiler which is letting in rain water, flowing through the inside! I had the fan changed about 6 months ago, andI’m now wondering if there is something missing from the fan outlet/vent..?! can someone advise what I need to stop the rain coming in. Many thanks, Andy
  13. S

    Is an additional vent required?

    Hi I have a toilet in a ground floor WC that was served by a maserator. After problems with blocked pipework due to the long run I thought it would be a good idea to have to toilet connected to the sewage system to get rid of the maserator and pipework etc. After having a new ensuite added to...
  14. fknMarko

    Can I joint a manrose part onto a soil pipe to use as part of the soil vent?

    Hi. I finally got the keys to my first house a few weeks ago. It's a small house so I'm doing what I can to save space. Currently, the vent pipe in the bathroom for the toilet's soil pipe is boxed into the corner of the room, against an external wall and an internal wall that is roughly 7cm...
    • fknMarko
    • Thread
    • america joint parts pipe soil soil pipe usa vent
    • Replies: 4
    • Forum: USA
  15. J

    Alcove off fireplace - size of air vent?

    So the fireplace will be turned into an alcove where we can add a nice vase and light as a centrepiece as we have had the olf gas fire removed. We shouldn't block the fireplace up as it can lead to condensation so what size hit n miss air vent should I add to the top of the alcove. It will be...
    • Justice League
    • Thread
    • air air vent america fireplace size usa vent
    • Replies: 1
    • Forum: USA
  16. T

    How to pipe a tundish to a 22 mm vent pipe?

    Hello everyone I’m just wondering how you go about piping a 22 mm vent pipe into a tundish when the inlet on the tundish is 15 mm and the outlet is 22 mm. Attached is a photo of the vent pipe from the cyclinder going into the CWST that needs redirecting into a tundish then to a drain. Many...
    • tomspenny
    • Thread
    • america pipe tundish usa vent
    • Replies: 3
    • Forum: USA
  17. M

    Do I need a vent for a basement toilet 24" away from the bottom of the stack?

    In the below picture the purple pipe is a 3" drain (soil stack) the grey one is the bottom of the vent stack which I intend to relocate and reconnect to the white pipe via either the green pipe or the orange pipe The grey pipe was connected to the toilet drain as in the picture for two possible...
  18. R

    Combining feed and vent piping from F and E tank

    It would save me a lot of faff if it was acceptable to combine the feed and vent in the manner shown in diagram below. Or should I resort to separate pipes for each, as small sketch. Boiler is Potterton Suprima I would be grateful for your advice. Thanks Rudy
  19. A

    Relocating soil stack vent

    Hi I have an upstairs shower room which is being moved about 3m. Currently the 50mm vent pipe goes from the 110mm stack, up through a stud wall into the loft and out the roof. Now the toilet is being moved and wall has come down the pipe into the loft has been removed. In the new location, do I...
    • Ar484
    • Thread
    • america soil soil stack stack usa vent
    • Replies: 2
    • Forum: USA
  20. T

    Regulating a manual & automatic air vent valve from Emmeti

    I'm using a manual & automatic air vent valve from Emmeti. It has 2 caps, a gray one that suppose to be automatic and a black one (on the top) that is manual. I could understand if I suppose to let the grey cap (auto) closed all the time. Does one know how it works? Thanks.
    • Time Machine
    • Thread
    • air air vent america automatic manual usa valve vent
    • Replies: 2
    • Forum: USA
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