Just because the pump feels hot does not mean it is running.
The hot water will make it feel hot even if it is not
running. The water pipes should feel uniformly warm. If they
are much warmer near the boiler and cooler away from it, you
may have a circulation problem.
Is your system one zone, just one circulator.
You may want to invest in a low cost point and shoot
Thermometer from eBay.