AV1
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« on: May 01, 2011, 11:36:09 AM » |
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My problem is that I have 2 rain water fed toilets one...standard ball valve and the other a fluidmaster bottom fed, it was a pain to get this to work with low pressure, but even the smallest piece of anything and it does not seal and overflows (into the bowl) and OK I have no filters in-line BUT, the other toilet is OK ....do I swap it out for something else OR find filters to stop this every happening...any thoughts welcome.
Adrian@
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Navitron 20 x 47mm tube Navitron solar thermal system (DIY)
2.59Kw solar system (Delmar)
Rainwater system solar pump and assoc anti chatter relay, tank with Cistern with Type AB air gap/ Cat5 with mains top up (DIY)
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garethpuk
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« Reply #1 on: May 05, 2011, 09:46:53 PM » |
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Hi Adrian,
You can get ultra low pressure diaphragms for the fluidmaster valves, have you got a standard one in?
Gareth
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AV1
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« Reply #2 on: May 07, 2011, 06:30:58 PM » |
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I have a low pressure seal, the issue is that even the smallest piece of anything holds the seal off it's seat ... a change of bottom fed valve is called for!
Adrian@
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Navitron 20 x 47mm tube Navitron solar thermal system (DIY)
2.59Kw solar system (Delmar)
Rainwater system solar pump and assoc anti chatter relay, tank with Cistern with Type AB air gap/ Cat5 with mains top up (DIY)
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Fred Bear
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« Reply #3 on: June 18, 2011, 10:25:58 AM » |
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Hi Adrian,
Do you have an update? I need to replace my toilet (and use rainwater) and I am not sure what flush and valve to buy.
Fred
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Justme
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« Reply #4 on: June 18, 2011, 11:14:21 AM » |
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Fit a good pre filter that is easily cleaned & use what ever valve you want.
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Navitron solar thermal system
30 x 58mm panel 259L TS
1200watts solar 120vdc
FX80 Solar controller
Victron 12v 3000w 120a
200w (250w peak) 12v turbine as a tester
6kva genny
6 x 2v cells 1550amp/h 5C
24 x 2v cells 700amp/h 5C
Total bank 4350 amp/h @12v
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Fred Bear
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« Reply #6 on: June 18, 2011, 01:43:07 PM » |
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Thanks Iain. The only review on Screwfix is very critical. Is there any truth in this?
Fred
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Iain
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« Reply #7 on: June 18, 2011, 02:49:57 PM » |
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Hi Fred I have 2 fitted in the same cicstern, one on mains pressure (my mains is set at 3 bar) with the restrictor fitted and one on the rainwater with about 2' of head gravity fed(no restrictor). http://www.navitron.org.uk/forum/index.php/topic,12700.msg148926.html#msg148926Have had no problems so far. I took off the floppy plastic filling tubes when I fitted them. The rainwater one made a little "groan" as it closed for a while but is totally silent now Iain |
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« Last Edit: June 18, 2011, 02:51:48 PM by Iain »
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1.98kWp PV (11 x Sharp 180 and SB1700)
20 x 65mm Thermal and 180ltr unvented
6000ltr rainwater storage
Plymouth
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Fred Bear
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« Reply #8 on: June 18, 2011, 03:03:36 PM » |
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That's very neat Iain, I'll go with that set up, but do you now have an overflow? I can see a hole in the back, but is anything connected?
Fred
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Iain
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« Reply #9 on: June 18, 2011, 04:09:28 PM » |
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Hi Fred
I lowered the syphon so that it became the internal overflow. Apparantly it is ok to have an internal overflow now. I just cut a horizontal section out of the top of the syphon and glued the top back on! So that the overflow level is now about 20mm above the water level but below the valve inlets. I think you can use the flap type valve as well as it has an internal overflow.
I think I needed something like a 6 1/2" syphon. I couldn't find one so just modified one to try and it is still working
Iain
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1.98kWp PV (11 x Sharp 180 and SB1700)
20 x 65mm Thermal and 180ltr unvented
6000ltr rainwater storage
Plymouth
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