Tunze Osmolator Pump

A

aklee987

Member
Where would be a good place to buy a pump for my Osmolator? Also, what size of tubing does it use? Any help would be appreciated.
 
I am actually almost out of stock, if you haven't ordered yet, Marine Depot, SoCal and Premium Aquatics would all be good bets, they got some recently.
 
Thanks for the info. I will be putting it on my Christmas list for my wife to get for me, so I will check back with you around then.

What size tubing goes with the osmolator pumps?
 
Hi Roger,

I'm from the UK but hope you can hel me out.

I've had a osmalator for about 3years and worked fine. Recently, the pump stopped working so I just went out and purchased a new one. The new one was a little different to the older one in that the old one had a rubber tube to which you would connect the osmalator hose too. The new one does not have this and you just connnect the hose directly to the pump.

Anyway, all seemed ok at first but after just 1.5 weeks the pump seems to have stopped pumping - the sensor notes water level low but the pump does not pump water. I'm guessing this is a pump fault again or could the control box be faulty. THen I read this thread and note that you have to adjust the voltage if you use a new pump on a older model osmalator. Is is possible I have damaged the pump in not adjusting the voltage or worse has it damaged the control box.

Any help or advise would be very much apreciated. When I bought the pump I was not advised to switch the voltage so just connected it up directly.

Thanks
Roshan
 
The new pumps will run on the old style power supply sounds like a pump issue check with Gary Tunze UK for support tunze.com
 
I don't think any long term damage would be done, the 5017 controller has a safety thermal switch, on the old ones if the pump drew more than 800mA the switch would break the connection to the pump, this was to prevent the pump from using all the power in which case the controller had no power to run any of its basic safety functions. The new pump has a double oring seal and uses a bit more power at 12V at 9V it should be OK. The other option is to upgrade to the new 11V 1600mA power supply and send in the controller and the limit can be raised to 1200mA by changing the thermal switch.
 
Roger - many thanks for the info.

Aquadepot - thanks for your reply too. Always excellent comms over here on RC.

Thanks guys
Roshan
 
Hi Roger,

I got a replacement pump from my local store - I've reconnected this but still the pump does not pump. The controller lights up to note water levl low but nothing happens with the pump. This is a brand new pump and it is running with the poer adaptor running at 9v as it notes on the pump.

Any thoughts / recommendations - do you think the controller has failed ?? Seems odd to me as the controller clearly knows when the wayer level is low etc.

Roshan
 
Either the wire from the controller to the pump has corroded or the PTC has failed, the PTC is the thermal breaker I was mentioning. Either case can be repaired fairly cheap. I would contact Tunze UK about repair.
 
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