View this manual online at www.lbwhite.com
Attention
This heater has been tested
and evaluated by CSA Group in
accordance with ANSI/IAS U.S.
LC2-1998 as well as the Canadian
Gas Association Standard for Gas
Fired Brooders,
CAN1-2.20-M85 and is listed and
approved as a direct
gas-fi red circulating heater for
the heating of agricultural animal
confi nement buildings. If you are
considering using this product
for any application other than its
intended use, then please contact
your fuel gas supplier, or the
L.B. White Company, LLC
This owner's manual
represents both hot surface
ignition and spark ignition
heaters. Information that
applies to a specifi c ignition
type is so noted. Otherwise,
the information applies to
both versions of ignition.
www.lbwhite.com
SEE ASSEMBLY
INSTRUCTIONS
INSIDE
Please refer to important
elevation information on
inside cover.
WORLD PROVIDER - INNOVATIVE HEATING SOLUTIONS
411 Mason Street, Onalaska, WI 54650 • 800-345-7200 • 608-783-5691 • 608-783-6115 (fax) • www.lbwhite.com
Owner's Manual and Instructions
Guardian
Forced Air Heater
with Smart Sense
Hot Surface and Direct Spark Ignition
Congratulations!
You have purchased the fi nest agricultural building heater avail-
able. Your new L.B. White heater incorporates the benefi ts from
the most experienced manufacturer of heating products using
state-of-the-art technology.
We, at L.B. White, thank you for your confi dence in our products
and welcome any suggestions or comments you may have...
contact us at 1-(800)-345-7200, or email us at
customerservice@lbwhite.com.
AD060 / AW060
AD100 / AW100
AD250 / AW250
Propane-Vapor Withdrawal
™
or Natural Gas
U.S. Patent No. 9,328,937
WARRANTY
SCAN THIS
with your smartphone or
visit http://goo.gl/nksqZ
to view maintenance
videos for L.B.White heaters.*
* Requires an app like QR Droid
for Android or for iPhone
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®