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             The Heating Sequence of Operations and Onions
        
        The Heating Sequence of Operations and Onions
        
            
            
    
        
             How To Do a Heat Maintenance That Actually Matters
        
        How To Do a Heat Maintenance That Actually Matters
        
            
            
                                                            
                                    
                            
                        
                        
                    
                
                
                     
    
#limit switch
Tech Tips:
 
        
            Just like Shrek, I like to think about the heating sequence of operations as an onion—it has layers. And each layer builds upon the previous one. We have written previously in great detail about gas furnaces, from top to bottom. I want to focus today on why there is a sequence of operations and how […]        
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            I know I’m not the only one who has sometimes felt a little bad doing heat maintenance. I remember many a day when my lead technician and I (as an apprentice) would crawl into an attic, clean the flame sensor, and then play FarmVille on our phones for 15 minutes before crawling down, giving the […]        
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