Today my installer install Mr. heater 75000 looks good, we try to start the unit, after trying for 2.5 hr no go we try to check for licks, we find one small in the gas valve "nr 10" on the part list there is 4 small holes on the back side where you connect the gas to the back of the unit there is small lick the led light after sequence show 2 flashing light on the unit I ask him if this maybe frozen or something with this valve he ask if I have hair blower he start to worm that part and the heater start working. After 20 min we shoot down turn the power out because I was going to work when I come back I can start that heater please help????????????
Any suggestions
Any suggestions