Ratings - Weil-McLain ULTRA OIL Manual

®
WATER BOILER

Ratings

Boiler I=B=R
Model Burner
Number Capacity
*3+  2LO
Notes:
UO-3

0.8 GPH
UO-3

1.0 GPH
UO-4 
UO-5 
(1) Based on standard test procedures prescribed by the
draft.
(2) Ratings shown are for sea level applications only.
For altitudes above 2,000 feet, derate the product
capacity by 4% per 1,000 feet above sea level.
radiation of sufficient quantity for the requirements
of the building and nothing need be added for
Part number 550-141-986/0112
— Boiler Manual
DOE CSA CSA
Heating Input Output
Capacity
0%+ 0%+ Btuh
Notes 1, 6 Notes 2, 6 Note 2
98 112 98
122 140 122
146 168 146
172 196 172
Net Boiler Shipping
Water Weight,
I=B=R
Ratings Content Approx.
0%+ *DOORQV Pounds
Notes 3,6
85  636
106  636
127  737
150  852
normal piping and pick-up. Water ratings are based on
a piping and pick-up allowance of 1.15. An additional
allowance should be made for unusual piping and pick-
(6) MBH refers to thousands of Btu per hour.
DOE Flue Draft
Seasonal Conn. Loss
(I¿FLHQF\ Size Through
Boiler
Inches
$)8(
Note 4 Note 5
 ´ 
 ´ 
 ´ 
 ´ 
ZF
.
2
39