Install Instructions

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107750-01 - 9/17
I. Product Description 7
II. Specications 7
III. Before Installing 9
IV. Locating The Boiler 10
V. Mounting The Boiler 12
VI. Air For Ventilation 15
VII. Venting 16
A. Vent System Design 16
B. Design Requirements Unique to Horizontal Twin Pipe Venting Systems 22
C. Design Requirements Unique to Vertical Venting Systems 28
D. Design Requirements Unique to Split Vent Systems 36
E. Assembly of CPVC/PVC Vent Systems 45
F. Assembly of DuraVent PolyPro Vent Systems 52
G. Assembly of Selkirk Polyue Vent Systems 57
H. Assembly of Centrotherm InnoFlue Vent Systems 61
I. Assembly of Stainless Steel Vent Systems 65
J. Condensate Trap and Drain 67
K. Removing An Existing Boiler From Common Chimney 69
VIII. Gas Piping 70
IX. System Piping 72
A. General System Piping Precaution 72
B. Standard Piping Installation Requirements 73
C. Near Boiler Piping Design 75
D. Piping For Special Situations 82
X. Wiring 84
XI. Start-Up and Checkout 94
XII. Operation 101
XIII. Service and Maintenance 130
XIV. Troubleshooting 137
XV. Service Parts 143
Appendix A: Instructions for High Altitude Installation 153
Above 2,000 ft.
Appendix B: Special Requirements For Side-Wall 156
Vented Appliances In The Commonwealth
of Massachusetts
Table of Contents