I have had reliance to my home to fix my furnace 5 times in one month. They have been unable to diagnose the problem but were able to get it to work for a short time The first tech thought it might be the Gas valve but when he got it working said it must have been something electrical The next tech said he didn't know what caused the problem but it was now fixed When the furnace went for the third time reliance sent in a tech who said it was the thermostat, but he didn't have one .He would order the thermostat and when it... read full review »