>One needs to shutdown the pump with a level switch or manually to keep it >from heating the windings above normal operating temperature. I know, some >pumps have a internal by-pass but that just uses up battery power. >KRron ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
The information I got with my pumps gave no hint that they could not be used for continous duty. I suspect the fuel flow of 4 to 6 gal per hour would be enough to disipate the small amount of heat they will generate. Larry Flesner