View this manual online at www.lbwhite.com
Attention
This heater has been tested
and evaluated by CSA Group
in accordance with the Cana-
dian Gas Association Stan-
dard for Gas Fired Brooders,
CAN1-2.20-M85 and are listed
and approved for Canada as
direct gas fired circulating heat-
ers for the heating of green-
houses. If you are considering
using this product for any ap-
plication other than its intended
use, then please contact your
fuel gas supplier, or the L.B.
White Co., LLC.
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
Therma Grow
Greenhouse Heater
Congratulations!
Your new L.B. White heater incorporates the benefits from the
most experienced manufacturer of heating products using
state-of-the-art technology.
We, at L.B. White, thank you for your confidence in our products
and welcome any suggestions or comments you may have...call
us, toll-free, at (800) 345-7200.
HW120
120,000 Btuh / 35.2 kW
™
HW220
220,000 Btuh / 64.5 kW
LP Vapor Withdrawal or Natural Gas
SCAN THIS
with your smartphone or
visit http://goo.gl/ny7ua
to view maintenance
videos for L.B.White heaters.*
* Requires an app like QR Droid
for Android or for iPhone