Although I am having a heat issue
Can you be more specific? It is normal for the chip to get too hot to touch. The part is rated for temperatures in excess of 100C.
Have you tried the 'finger test" from the FAQ?
If you are worried, lick your finger (a little) and touch the tip of your finger to the top of the LT1302 chip. If you don't hear a sizzle (of the water boiling away), its just fine.