Hi folks.
I've been restoring a 1906 Japkap cistern for my period bathroom. The WC pan will be a modern, generic low/high cistern unit.
I need a flush pipe to connect the high cistern to the pan.
They are available commercially - the cheapest I've found is here.
However I'm somewhat loathed to spend £90+ on a bit of pipe, especially as it is of unknown diameter and may not fit without fettling.
I've also found a firm selling plastic pipe versions versions at a reasonable price.
It doesn't need to be chrome - I'm happy with black - so I could paint the plastic version.
But I'd prefer metal, it wouldn't feel right if it was plastic. The standard modern version is chrome plated brass. The original was lead. I assume copper is a viable alternative - is this correct?
The next question is how to seal it into the bottom on the syphon. Originally it was a lead tube which fits inside the neck of the syphon - with, what appears to be, a brass section joined onto the top with a heavy collar on it. The retaining nut slides over this collar, capturing it, and then screws onto the bottom of the syphon.
I had planned to get a £90 kit and sweat a brass machined collar onto the end to give the same effect. Alternatively, the off cut of the original lead flush pipe (complete with retaining collar) could be joined onto or over a suitable pipe
But the size is weird - its about inch and a third. The ID of the syphon pipe is 34.8mm - as was the OD of the lead pipe.
I don't mind sanding the diameter of a new pipe a little to reduce some OD to make it fit but wouldn't know how to add material.
I also need to save as much cash as possible.
Could anyone advise me on 1) a suitable alternative pipe material and size. 2) the best method of joining the pipe to the cistern.
We have a pipe shop at work that bends mild steel, so I should be able to have the bends put into the pipe.
Really appreciate your help.
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I've been restoring a 1906 Japkap cistern for my period bathroom. The WC pan will be a modern, generic low/high cistern unit.
I need a flush pipe to connect the high cistern to the pan.
They are available commercially - the cheapest I've found is here.
However I'm somewhat loathed to spend £90+ on a bit of pipe, especially as it is of unknown diameter and may not fit without fettling.
I've also found a firm selling plastic pipe versions versions at a reasonable price.
It doesn't need to be chrome - I'm happy with black - so I could paint the plastic version.
But I'd prefer metal, it wouldn't feel right if it was plastic. The standard modern version is chrome plated brass. The original was lead. I assume copper is a viable alternative - is this correct?
The next question is how to seal it into the bottom on the syphon. Originally it was a lead tube which fits inside the neck of the syphon - with, what appears to be, a brass section joined onto the top with a heavy collar on it. The retaining nut slides over this collar, capturing it, and then screws onto the bottom of the syphon.
I had planned to get a £90 kit and sweat a brass machined collar onto the end to give the same effect. Alternatively, the off cut of the original lead flush pipe (complete with retaining collar) could be joined onto or over a suitable pipe
But the size is weird - its about inch and a third. The ID of the syphon pipe is 34.8mm - as was the OD of the lead pipe.
I don't mind sanding the diameter of a new pipe a little to reduce some OD to make it fit but wouldn't know how to add material.
I also need to save as much cash as possible.
Could anyone advise me on 1) a suitable alternative pipe material and size. 2) the best method of joining the pipe to the cistern.
We have a pipe shop at work that bends mild steel, so I should be able to have the bends put into the pipe.
Really appreciate your help.
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