New out of the box and plugged in with an extension cord (heavy duty 14 gauge). Started preseason process at 8:30 at 11:30 Heat read 105. Turned off the unit and started over. At 1:30 heat was 119. Timer was set for 3 hours. The "heating" light did not come on. Need suggestions/help.
Sorry if this is not the right place to ask.
Sorry if this is not the right place to ask.