Designer Guide

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LOCHINVAR, LLC
300 MADDOX SIMPSON PKWY
LEBANON, TN 37090
www.lochinvar.com
Designer’s Guide / Knight XL Boiler
At Lochinvar, we know that designing a boiler is hard work. Well, designing a boiler
system is no picnic either. Demands for greater efficiency and elaborate system control
have made systems more complex.
This designers guide will break down the system requirements that match the Knight XL
boiler to assure safe operation, highly efficient heating and long life.
There are five major elements of boiler system design:
Venting
(See page 2)
Combustion Air
(See page 12)
Gas
(See page 15)
Water
(See page 17)
Electricity &
Controls
(See page 23)
Plus many other important details:
Locations Available Options
(See page 29 for “Location of Unit”) (See page 30 for “Options”)
High Altitude Requirements Suggested Piping Diagram
(See page 30 for “High Altitude Applications”) (See page 31, “Appendix Section A”)