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return

In finance, return is a profit on an investment. It comprises any change in value of the investment, and/or cash flows (or securities, or other investments) which the investor receives from that investment, such as interest payments, coupons, cash dividends, stock dividends or the payoff from a derivative or structured product. It may be measured either in absolute terms (e.g., dollars) or as a percentage of the amount invested. The latter is also called the holding period return.
A loss instead of a profit is described as a negative return, assuming the amount invested is greater than zero.
To compare returns over time periods of different lengths on an equal basis, it is useful to convert each return into a return over a period of time of a standard length. The result of the conversion is called the rate of return.Typically, the period of time is a year, in which case the rate of return is also called the annualized return, and the conversion process, described below, is called annualization.
The return on investment (ROI) is return per dollar invested. It is a measure of investment performance, as opposed to size (c.f. return on equity, return on assets, return on capital employed).

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  1. S

    How to replace UFH return pin valve

    Hello, I have UFH set up with a HIU in my flat. My issue is that one zone (Bedroom 2) does not heat up. All other zones working and heating as expected. Have checked the relevant thermostat, as well as the electrical actuator for the specific zone. Both look ok Checked return pin valve -...
  2. B

    Secondary return cools cylinder within 2 hours

    I'm a plumbing novice so first of all I apologise if I'm not explaining this situation correctly. I've recently renovated a house for my family to live in and we're having an issue with water not staying hot when the secondary return circuit is on. From a starting point of fully heated the...
  3. Robjolla

    Tee off primary Flow and Return

    Hi new to the forum here and after some advise please. I have done a garage extension and need heating in the room. I am in a town house with no Rads on the ground floor. (Underfloor heating). My boiler (not combi) is downstairs, but megaflow tank is upstairs along with rads upstairs. I have...
  4. V

    Central Heating - Blocked 22mm return pipe?

    Hello all. I've just joined, was going to post in the new members forum, but the first site generated email sent me here... I am here, as have a challenging and interesting problem, which I'll try as best to describe below keeping to the point and as short as possible, to avoid boring any of...
  5. B

    DHW recirculating loop connection to cylinder

    Can the return pipe in a domestic hot water recirculating loop be connected to the cold feed to a direct HW cylinder
    • B N Brown
    • Thread
    • hot water pipe return
    • Replies: 1
    • Forum: DIY Plumbing Forum
  6. R

    Air lock in boiler return pipe

    I have a issue which I’m assuming is an airlock in the return pipe just above the boiler. The pipes go up and over and then enter the boiler at the bottom. The boiler fires up normally but the heat doesn’t get far and the the pipes next to the boiler make like a fluffing noise. I’m not the most...
  7. J

    Secondary return issur

    Hi When secondary return pump is on theres no flow to hotwater taps but when the pump is not running water flows through tap. Any one come across this before??
  8. J

    Secondary return problem

    Need advice on secondary return issue. When secondary return pump is running no hot water flows from hot taps.when pump off the taps work. Anyone come across this before?? Appreciate any reply
  9. J

    Boiler Return Temperature Control

    I have rarely if ever seen mention of this form of control being used, which Valliant, for one, have available for years, is there a reason for this?
  10. F

    Pipe sizing - Replacing a one pipe system with flow and return

    Hi, I'm a first time poster with a skill set akin to that of a competent DIY'er I guess. I'm planning on replacing a old in efficient one pipe system with a flow and return. This will be done on our recently purchased bungalow which has an oil fired boiler. Whilst I'm confident a 22mm flow and...
  11. D

    Secondary Return Advice

    I'm running a secondary return hot water system and I'd appreciate your advice please. I'm working on a long house where the furthest draw off point Is around 40m away from the unvented cylinder. There are 3 bathrooms 2 kitchens a boot room and a utility. I have installed a 28mm hot supply...
    • Daniel 12233444
    • Thread
    • advice america return secondary usa
    • Replies: 7
    • Forum: USA
  12. A

    Purpose of a hot water return line and a check valve

    Please see the RED marked area; The Hot water service (HWS) rretun line having a Check valve what is the purpose of this valve here? also i can see a TEE in the HWS forward and Return line, it's the only thing will be available in the HWS F&R joint? What i have understood is the HWS F&R...
    • AJEEB KHAN
    • Thread
    • america central heating system check check valve hot hot water hot water system purpose return usa valve water
    • Replies: 5
    • Forum: USA
  13. G

    Radiator size and return to boiler temperature

    Afternoon, Recently had a new boiler fitted with new radiators, old radiators were the old steel type. The installer recommended reducing the size as the new panels are more efficient, which we were happy to do. Now, I believe that for the output of the boiler the radiators are too small/not...
  14. R

    Central Heating Return Pipe for Magna Clean

    Evening all, I want to install a Magna Clean onto my CH system, I am of the understanding that it needs to be installed on the return pipe. However I don't know which pipe is what in my airing cupboard and need help to identify. I am unable to install it near my boiler unfortunately due to...
  15. E

    Tool to undo the non return valves on shower mixer?

    I am trying to undo the non return valves on my shower to clean them but they won't budge, I guess there is a tool for doing this but can't find one on line - help would be appreciated! It's basically a very wide slot but my largest screwdriver does not do the trick, the maintenance...
  16. E

    Tool to undo the non return valves on shower mixer?

    I am trying to undo the non return valves on my shower to clean them but they won't budge, I guess there is a tool for doing this but can't find one on line - help would be appreciated! It's basically a very wide slot but my largest screwdriver does not do the trick, the maintenance instructions...
    • ExteriorMonk
    • Thread
    • mixer return shower shower mixer tool valves
    • Replies: 3
    • Forum: Plumbing Tools
  17. J

    Firebird Condensing Oil Boiler Flow / Return?

    Hi all, I am new here and a capable plumbing DIYr. I have just purchased a Fire Bird Silver Boiler House model to replace my old and now leaking Worchester Bosch oil Boiler. The oil condensing boiler instructions have no reference regarding the flow and return connections!! Nor are they...
    • JC22024
    • Thread
    • america boiler condensing firebird flow oil oil boiler return usa
    • Replies: 10
    • Forum: USA
  18. B

    Hot radiator return pipes but warm flow pipes

    Although my CH radiators are hot to touch eventually, I have noticed that one in the downstairs sitting room and probably one of the last to get really hot, has a warm flow pipe and a very hot return pipe. The same applies to some of my other radiators but not all. Is this a balancing issue...
  19. Lidds82

    S plan return back feed??Hi

    Hello everyone my first post so here go's. I have a combi boiler heating system which is zoned for upstairs and downstairs rads. I have noticed that when only one of the zones is calling for heat and the other one is not, the rad circuit that is off is getting luke warm. It seems that the...
  20. R

    Flow and no return

    My Son has a problem with rads not getting hot and we think it may be caused by either the flow or return pipework. He has 2 rad on his living room one is hot and one is cold. Fig 1 is how the pipe work is currently, both the flow and return have tee connectors feeding the rads, the first rad is...
    • RoyWin
    • Thread
    • america flow return usa
    • Replies: 18
    • Forum: USA
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