The quick assumption when it comes to high temperature pumps is that they’re only meant for high temperature liquids (up to 200°F, in BJM’s case). That’s not always the case. There’s a reason that BJM refers to its Fahrenheit pump as a high temperature AND high endurance submersible pump. The “high endurance” part comes into play when the motor produces its own heat that the pump needs to dissipate that has nothing to do with the temperature of the fluid.
Diagnosing the Issue
Figuring out that you need a high temperature submersible pump for endurance issues isn’t always easy. There are indications that may point you (or your pump supplier) in that direction.
Water Temperature Isn’t Hot Enough to Cause Issues: You are experiencing premature failures similar to when pumping hot liquid and the pump can’t dissipate the heat.
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