Presumably you are trying to save some money and/ improve the performance of your installation. From the limited information supplied it would appear that your electrical heater is on for 100% of the time which suggests it is either uncontrolled or under sized for the application. The pump appears to be doing what it says on the label!
Perhaps you need to consider better temperature control arrangements possibly even a thermostat if there isn't one installed at present.
You are going in the right direction because until someone starts checking up on consumptions nothing of meaning really happens!
Keep up the good work.
Massey
__________________
If it ain't broke,leave it well alone .........until it comes looking for you!