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  1. #1
    Join Date
    Mar 2010
    Posts
    4

    Default House Water Filters

    Hi all. 1st post here.

    I just watched Richard Trethewy install a whole house water filtration system. I must have missed somthing.
    He cut the line from the street into the house, then cut the line going into the house which I presumed just took a left and went to the water heater cold inlet side.

    He said nothing about draining the water heater. How can he cut the line into the water heater with out pressurized water erupting from that line. That line from the street does go straight to the hot water heater cold inlet side doesn't it???

  2. #2
    Join Date
    Jul 2009
    Location
    Northeast
    Posts
    661

    Default Re: House Water Filters

    I didn't see the program but you should have a ball valve or some sort of shut off just before the water heater for both hot and cold. I'm sure he shut these off or at least the cold water going into the water heater

  3. #3
    Join Date
    Mar 2010
    Posts
    4

    Default Re: House Water Filters

    I do have a shut off valve, but I thought it was one line in from the street, thru the valve, and one line out to the water heater.

    So if that valve was shut there would still be pressure on the water heater side. Guess I'll have to crawl under the house and see if there are additional lines.

  4. #4
    Join Date
    Mar 2010
    Location
    Canada
    Posts
    86

    Default Re: House Water Filters

    Quote Originally Posted by Splitray View Post
    Hi all. 1st post here.

    I just watched Richard Trethewy install a whole house water filtration system. I must have missed somthing.
    He cut the line from the street into the house, then cut the line going into the house which I presumed just took a left and went to the water heater cold inlet side.

    He said nothing about draining the water heater. How can he cut the line into the water heater with out pressurized water erupting from that line. That line from the street does go straight to the hot water heater cold inlet side doesn't it???
    There wouldn't be a need to drain the tank.
    When you close the main water line shut off you have eliminated any further pressure aside from the pressure stored in the lines. You would then open any faucet which would then relieve that standing pressure.

    Quote Originally Posted by Splitray View Post
    I do have a shut off valve, but I thought it was one line in from the street, thru the valve, and one line out to the water heater.

    So if that valve was shut there would still be pressure on the water heater side. Guess I'll have to crawl under the house and see if there are additional lines.
    In most cases there is a shut off valve located at least on the cold water supply to the tank. This allows servicing or replacing the tank without the need to shut off the water to the whole home.

  5. #5
    Join Date
    Mar 2010
    Posts
    4

    Default Re: House Water Filters

    I guess my main question is, if I disconnect the cold line in to the water heater, then place the filter system inline to the water heater, will this give me a "whole house" water filtration system?

    Or will this just filter the cold water into the tank and ultimately only give me "filtered" hot water. In other words, does the normal cold water supply for the house even go through the water tank, or does it branch off at the shut off and then plumb to the rest of the house separately?

    That's the only reason I can think that Rich tapped into the valve where he did. If I understand LeonardHomes correctly that is the case.
    Last edited by Splitray; 04-01-2010 at 12:34 AM.

  6. #6
    Join Date
    Jul 2009
    Location
    Northeast
    Posts
    661

    Default Re: House Water Filters

    I believe you want to shut the water off at the ball valve or shut off just after it comes into the house and cold water in at the water heater. This will stop any water from backflowing and make it easier to solder. The water Conditioner should go in at the Main supply between the water heater and the Main shutoff and it will condition both hot and cold.

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