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    karen85's Avatar
    karen85 Posts: 6, Reputation: 1
    New Member
    		  
    #1

    Dec 31, 2005, 05:17 AM
    Hot water heating system
    Thans for your help in adavance,

    I have a hot water heating system boiler with a red pump at the side of the boiler. I would like to know does the pump pushes the water through the
    System.or pull the water back to the boiler.:rolleyes:
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #2

    Dec 31, 2005, 08:37 AM
    Pumps do a much better job of pushing than sucking. The least little leak on the suction side of a pump draws air in and keeps the pump from pumping water. Therefore, the pump pushes water from the boiler through the system and back.
    karen85's Avatar
    karen85 Posts: 6, Reputation: 1
    New Member
    		  
    #3

    Dec 31, 2005, 09:50 AM
    In real hot water
    Thank you for your reply.
    I have add a new zone for the attic with a one way thermostat controlled valve.but I find the water rise via the assumed return line.
    I have then asked many people the same question that I pose to you and the reply was 50... 50.
    I do concur with your theory,for that reason I have installed the way I did.

    Thanks
    Karen
    doug1932's Avatar
    doug1932 Posts: 4, Reputation: 1
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    #4

    May 16, 2012, 01:56 PM
    Quote Originally Posted by karen85 View Post
    Thans for your help in adavance,

    I have a hot water heating system boiler with a red pump at the side of the boiler. I would like to know does the pump pushes the water through the
    System.or pull the water back to the boiler.:rolleyes:
    It is not a pump, it is a circulator. It only works in a closed , full system and moves the water in the direction of the arrow. Air in the system comstitutes a blockage ( just like you put a cork in the pipe ) And has to be purged out .
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