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Rainwater Harvesting - pumps etc
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<blockquote data-quote="Marvo" data-source="post: 426034" data-attributes="member: 20838"><p>I'd look at a pump with a pres control and a small reservoir tank to reduce cycling at the outside shed and install a good old fashioned ball float valve in the tank in the roof. The pres control will monitor phase angle to give you dry run protection as well as run current to give you overload protection, It also controls pump on/off and In this type of system it's the easiest, all in one small package with easy installation and no external control cabling., it avoids fragmented controls with level sensing in the top tank for on/off, level sensing in the bottom tank for dry run protection plus thermal overload for run current protection.</p><p></p><p>The setup would look something like this;[ATTACH]7217[/ATTACH]</p><p></p><p>And yeah, you can't self prime more than 10 meters on the suction side without using jiggerypokery like venturi systems or back-prime water injection</p></blockquote><p></p>
[QUOTE="Marvo, post: 426034, member: 20838"] I'd look at a pump with a pres control and a small reservoir tank to reduce cycling at the outside shed and install a good old fashioned ball float valve in the tank in the roof. The pres control will monitor phase angle to give you dry run protection as well as run current to give you overload protection, It also controls pump on/off and In this type of system it's the easiest, all in one small package with easy installation and no external control cabling., it avoids fragmented controls with level sensing in the top tank for on/off, level sensing in the bottom tank for dry run protection plus thermal overload for run current protection. The setup would look something like this;[ATTACH]7217._xfImport[/ATTACH] And yeah, you can't self prime more than 10 meters on the suction side without using jiggerypokery like venturi systems or back-prime water injection [/QUOTE]
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