I have read here that the Northern Tools Clear Water Pump has overload protection.
In the archives there are several posts from 2008 that says it does not have overload protection.
Which is true?
Any motor that has an internal overload will state so on the motor nameplate. Look for words like; impedance protected, thermally protected, internal overload protection @ 125%, etc...
If it does not say it on the nameplate you can be certain that it doesn't have it and external protection will be required.
Simple schematic for a pump and heater control with a high limit
Sensor for the biodiesel/glycerin layer
Many older motors used to have a reset button. Although I've rarely had to hit them.
I suppose that is no longer the case.
Depends on the application. UL/CSA rated fractional Hp blower/fan motors have thermal overload, some have a reset button.
The import pumps without UL or CSA certification on the nameplate likely won't have overload protection. That's why they're cheap.
the one that I have that I took apart..bad bearing..it had a thermal fuse.
its was mount in the pump end of the windings.
'84 bluebird school bus, DD8.2L turbo( 4/2011, the bus tranny has died.. 8.23.11 bus driven to scrap yard )
2006 Jeep Liberty CRD - the wife's
99 dodge 2500 5.9l 24v..-mine
everything run B100 when its warm enough
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