Transcript
TYPICAL WIRING DIAGRAM FOR SINGLE BOILER LINEAR-TEMP* INSTALLATION HW-300 THRU HW-670 DB-720 THRU DB-1810 WITH PROVEN PILOT IGNITION SYSTEM *Trademark of A. O. Smith Corp. Revised April 1995 (Reviewed June 1999) © A. O. Smith Corp. 1995 Printed in the U.S.A. E 121.0
