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HVAC, Air Conditioners, Aqua Hot, Primus, Webasto, Chassis Heaters, Furnaces and Water Heaters Questions and information about the wide variety of Heating and Air Conditioning as well as Water Heater systems available are discussed here.

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  #1  
Old 08-13-2018
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Randy Dupree Randy Dupree is offline
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Default aquahot pumps

does anybody know if the aquahot pumps are magnetic drive?
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Old 08-13-2018
rshrimp rshrimp is offline
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Based on this forum post it is a magnetic drive pump

https://www.rv.net/forum/index.cfm/f...print/true.cfm
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Old 08-13-2018
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Default Aqua-Hot Pumps

Randy, the pump is an March 809-100-0200. It is in stock at Depco Pump Co. in Clearwater, FL 727-446-1656. The going price for that pump appears to be over $800 from Aqua-Hot or their dealers. I am buying one from Depco. Call me if you want more info.
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Old 08-13-2018
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The circulating pumps have replaceable brushes , does that help , or what does that mean?
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Old 08-13-2018
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Default Aqua-Hot Pumps

The present part number for that pump is March 809-BR-12VDC or 809-0100-0200 and it is a magnetic drive. When you google these part numbers there are a number of suppliers.
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Old 08-13-2018
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Quote:
Originally Posted by Bill Pape View Post
The circulating pumps have replaceable brushes , does that help , or what does that mean?
hi bill
mag drive means that the pump does not turn by a shaft out of motor coupled to pump shaft with a seal holding water in ,,,mag drive is when motor turns a magnet and pump is sealed and the metal on end of pump impeller causes it to turn when motor turns
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Old 08-13-2018
mahansm mahansm is offline
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Bill,


On a DC motor there are chunks of carbon (graphite) that bear against the commutator. It's basically a rotary switch that sends current to the right windings to make the motor run. The brushes wear with time and use. Replacing them allows the motor to continue in service and is *much* cheaper than replacing the motor.
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  #8  
Old 08-13-2018
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Quote:
Originally Posted by irmagoo View Post
hi bill
mag drive means that the pump does not turn by a shaft out of motor coupled to pump shaft with a seal holding water in ,,,mag drive is when motor turns a magnet and pump is sealed and the metal on end of pump impeller causes it to turn when motor turns
Thanks Mike , learned something, just had not heard of a motor called a magnet motor.
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Old 08-13-2018
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I have a few spare motors,but they are at home and i'm not!
I suspect mine needs brushes and wanted to take just the motor end off.
I have brushes with me.
I may go take the motor off,it works when you gently tap on it.
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  #10  
Old 08-13-2018
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depending on which of the motors , may be able to replace brushes without removing.
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