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Old 12-27-2007, 08:14 AM   #1
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how to drain/remove a single radiator


I am remodeling my kitchen and would like to drain/remove one radiator while remodeling the room.

I dont know how I am supposed to do this. I know that I can shut off the incoming water by turning the knob on the top. I don't know if my radiator has a lockshield valve. What do I do if I dont have a lockshield valve?

Attached is a picture, let me know what you would do.


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Old 12-27-2007, 01:02 PM   #2
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how to drain/remove a single radiator


If you dont need the heat on than drain system and pull it out. If you need heat then you still have to drain it a bit, pull radiator and then BUILD A BYPASS TO RECONNECT THE PIPES SO YOU HAVE A LOOP FOR YOUR HEAT

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Old 12-27-2007, 11:36 PM   #3
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how to drain/remove a single radiator


Drain the lines and cap them both.
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Old 12-28-2007, 11:49 AM   #4
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Mike: if you dont connect them you have turned off the heat loop. on every radiator you have a feed and a return, they form a continous loop and to continue to have heat without that radiator it has to be connected :}:}
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Old 12-28-2007, 02:13 PM   #5
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how to drain/remove a single radiator


Quote:
Originally Posted by skymaster View Post
Mike: if you dont connect them you have turned off the heat loop. on every radiator you have a feed and a return, they form a continous loop and to continue to have heat without that radiator it has to be connected :}:}
If this is true, then wont turning one heater off(by turning the knob) "break" the loop, and shut down heat everywhere? I thought each radiator was a branch off the main line.
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Old 12-28-2007, 02:39 PM   #6
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how to drain/remove a single radiator


Dan; If the actual "loop" is underneath the floor and you are tying the radiators in with the proper "t's" then you are correct. Since I cannot see the sustem I said to tie them together becasue this way I know everything will remain the same regardless of how it is piped. Just CMA .

If you have regular baseboard heat ,that is one loop only and you cannot just take a section out without reconnecting that section with pipe.
A single pipe Steam system you can just shutoff a radiator without a problem.
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Old 12-29-2007, 02:28 AM   #7
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how to drain/remove a single radiator


I think you'll find that if a radiator has a valve on it that it's piped in a mono flo tee system, removing one radiator or all of them won't change flow in the loop.
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Old 12-30-2007, 02:00 PM   #8
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how to drain/remove a single radiator


OK, I am not really experienced with this sort of thing so I am going to describe what i plan to do, and what i think will happen each step of the way.

I have a two pipe radiator by the way.

1) I will turn off the incoming hot water
2) I will open the bleed valve which will cause air to go into the radiator, and all the water into the radiator to go out of the drain pipe.
??? How long do i do this? How do i know when the radiator is empty? Will air get into the return pipes/the rest of the system?
3) i will use a monkey wrench to disconnect the send and the receive pipes from the radiator
at this point the receive pipe will be open. Is it possible that the lack of pressure forcing water in to this pipe will cause water to flow back out of this pipe? If this doesn't happen wont air get into the pipe?

4) Do i need to cap the receive pipe while I am doing my renovation?
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Old 12-30-2007, 02:12 PM   #9
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how to drain/remove a single radiator


There will be full system pressure on the return side of the loop. The system will need to be shut off, the water feed closed and the loop drained below the point of the radiator your removing, then you can safely remove it and cap the both pipes. Most old radiator valves don't shut off 100% because of debris on the seat. You will need to refill the system back to operating pressure and maybe do some bleeding after you bring it back online after the radiator is removed.
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Old 12-31-2007, 12:25 PM   #10
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how to drain/remove a single radiator


Do you have access to the pipes below the floor?

Can you post a photo of the pipes below the floor?

Do they connect with an elbow or a "T" below the floor?
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Old 12-31-2007, 12:36 PM   #11
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Quote:
Originally Posted by redline View Post
Do you have access to the pipes below the floor?

Can you post a photo of the pipes below the floor?

Do they connect with an elbow or a "T" below the floor?
Directly below the floor is an elbow to another pipe which I believe connects to the main system with a T. I will take pictures tonight.

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