WATER PUMP for caravan
Submitted: Sunday, May 21, 2017 at 18:02
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Jon O1
Hi all, I am wanting to put a pump in the caravan for shower and sink. (one at a time ie shower or tap)
What flow rate in l/m would everyone recommend?
What are the smaller water heaters like the joolca for example like at providing enough hot water for a shower.
Cheers
Reply By: Dean K3 - Monday, May 22, 2017 at 19:41
Monday, May 22, 2017 at 19:41
folks camper has shurflo 4009 (number like that fitted) I found it burns out microswitch very easily if its left on all the time, and by this I mean turn the toggle switch on and off after every single use.
2nd unit we may have been lucky to get one year use out of it, and typically it was me who had it fail upon, i even posted about this issue back sept whilst out
meekatharra way.
The solution to this issue is to use relay - so far after this installation water pump hasn't failed, apart from when camper was on about a 10 degree angle for couple of night back on level it worked OK again .Attached hopefully images of wiring diagram and install
pic (PDF FILE) supplied to me by knowledgeable bloke in
Geraldton after discussing the issues

Water pump diagram
gas powered water heater like joolca is way better than using a 10l electric heater and i think they even have its own 11lpm water pump supplied between source and heater unit.
AnswerID:
611312
Reply By: HKB Electronics - Wednesday, May 24, 2017 at 15:40
Wednesday, May 24, 2017 at 15:40
I went for the Jabasco sensor max in our unit.
Good points:
Can deliver 14Ltr per minute.
Self priming to 2.4M (good for pumping from streams)
Has variable flow rate so you don't need an accumulator with them.
No on/off pulsing that some pumps do.
Very quite
Down side:
They are rather large and not cheap.
AnswerID:
611378