Burnham CHG150, CHG225

Table of Contents

I. Product Description ..................................................................3

II. Specications ........................................................................... 3

III. Before Installing ........................................................................ 4

IV. Locating The Boiler ...................................................................4

V. Air For Ventilation .....................................................................6

VI. Venting ...................................................................................... 8

A. Vent System Design ........................................................... 8

B. Removing An Existing Boiler From Common Chimney ...... 15

C. Vent/Intake System Assembly ............................................ 15

VII. Condensate Drain Line .............................................................20

VIII. Gas Piping ................................................................................22

IX. System Piping ...........................................................................23

A. General System Piping Precautions .................................. 23

B. System Design ...................................................................23

C. Standard Piping Installation Requirements ........................32

D. Piping For Special Situations .............................................33

X. Wiring ....................................................................................... 35

XI. Start-up and Checkout ..............................................................39

XII. Operation ..................................................................................44

XIII. Service and Maintenance .........................................................49

XIV. Troubleshooting ........................................................................ 51

XV. Parts ........................................................................................ 55

Appendix A

Special Requirements For Side-Wall Vented

Appliances In The Commonwealth of Massachusetts .........68

Warranty .................................................................Back Cover