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© 2008 U.S. Boiler Company, Inc. - Lancaster, PA
Phone: 1-888-432-8887
www.burnham.com Printed in the U.S.A.
Form No. PL81401301000-9/08-10M
Ratings
Specifications
Model
Number Burner Capacity (GPH)
DOE
Heating Capacity (MBH)
I=B=R
Water Ratings AFUE%
MPO84 .60 74 64 87
MPO115 .80 98 85 87
MPO147 1.05 129 112 87
MPO189 1.35 167 145 87
MPO231 1.65 203 177 87
Model
Number
Dimensions (inches)
Water
Content (gal.)
Natural Vent
Approximate
Shipping Weight (lbs.)
Direct Vent
Approximate
Shipping Weight (lbs.)‘A’ ‘B’ ‘C’
MPO84 16-5/8 24 5 7.70 475 N/A
MPO115 16-5/8 24 5 7.70 475 N/A
MPO147 22-5/8 24 6 11.08 567 579
MPO189 28-5/8 30 6 14.46 659 692
MPO231 34-5/8 30 7 17.84 751 807
MPO Direct Vent Kit
Model
Number
Vent Connector
Diameter (inches)
Optional Starter “T”
Depth ‘D’ (Inches)
MPO147 5 14
MPO189 5 14.5
MPO231 6 14.5
FRONT SERVICE
CLEARANCE
(FLUEWAY CLEANING)
‘C’ DIA.
COLLAR
‘B’ MIN.
TOP VIEW FRONT VIEW SIDE VIEW BACK VIEW
‘A’
5
8
22
“
33”
3
8
21
“
Optional
Stainless Steel
DV Starter “T”
‘D’