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12 volt dc circulating pumps for solar powered hot tub


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I have been completely off the grid for about a year now and have more urgent issues that need addressing regarding capacity for running my 12 volt appliances... but a project l wish to tackle in the near future is the converting of my conventional spa bath into a wood fire heated solar power circulated/filtered hot tub. It is a standard 4 seater tub ... I am in search of a supplief of 12v dc pumps and motors to replace the circulating and jet pumps. Does anybody have contact details of a cost effective supplier that is not going to cause me to abandon the project for unreasonably high priced pumps or motors... l have been shopping around online and most dc motor / pump suppliers pricing is prohibitive. Then the question must be asked has anybody adapted any other type of dc motor to run a circulating pump that might do the job?

Thank you

David

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Well, you can look at boating shops, as they normally have 12V pumps.

Question is regarding the required pressure and flow you need.

 

Electric motors like you have in a hand drill, with brushes, can be run from DC valtages.

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