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Thread: Why is it so?

  1. #1
    Join Date
    Nov 2007
    Location
    Sydney
    Posts
    1

    Default Why is it so?

    Flexible Connections with Hot Water Services


    My question is since flexible connections can be used when connecting hot and cold water bathroom taps.

    Why is it they also cannot be used when connecting a hot water service.Inlet and outlet water pipes


    Keeping in mind the water pressure and temperature would be the same at both the HWS and Basin connections.
    I realise pluming regulation may may not allow them.Hard connections are required.

    Why is it they ( flexible connections ) cannot be used?

  2. #2
    Join Date
    Jul 2007
    Location
    Sydney-south
    Posts
    333

    Default

    Mate the main reason is that when installed on a HWS they become a weaker link than the TPR valve that is supplied with the heater. The same goes with nylon olives, and there are still leagues of plumbers who insist on using them. Imagine, if your heater is inside (laundry, garage, under the stairs etc) and your away on holidays for a few weeks, should something happen to the heater ( boils over and the pressure builds up too much etc) the TPR valve then operates and IF installed correctly should drain away happily outside. On the other hand, if you had flexi's hooked up, they may simply blow out, the TPR valve none the wiser and you would have mains pressure water flooding your house till such time that you arrived home. Then insurance issues as it wasnt installed correctly, and on it goes. To put it simply, it is a safety issue.
    Plumbers were around long before Jesus was a carpenter

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