Brumbaugh,  James E. <br/><br/>
HVAC fundamentals Vol2: heating system components, gas & oil burners & automatic controls 

 -  Wiley 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0764542079 
<br/><br/><label>Dewey Class. No.: </label>697 B83 v2 C3 2004