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Raypak Residentials
Hydronic Heating Boilers
Models 42, 66 & 90
Models 135 & 180
Heating
1
Model
Input
Capacity
2
MBTUH
MBTUH
0042
42
35
0066
66
54
0090
90
74
0135
135
109
0180
180
148
Notes:
1. Standard models, use "H-" prefix (e.g., H-0042); Non-ferrous models, use "HB-" prefix (e.g., HB-0042)
2. Per Section 11.1.2 of the National Fuel Gas Code, derate the appliance firing rate 4% per 1,000 feet above sea level for installations above
2,000 feet.
Raypak, Inc. 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 www.raypak.com
Catalog No.: 2100.20M
Net I=B=R
Piping Connections
Rating
Water
Gas NPT
MBTUH
NPT
30
1"
1/2"
47
1"
1/2"
64
1"
1/2"
95
1-1/4"
1/2"
129
1-1/4"
1/2"
Effective: 6-15-07
Replaces: 6-15-02
B
K
Approx.
Vent
Shipping
Diameter
Weight (lbs)
5-1/2"
4"
95
5-3/4"
5"
105
5-3/4"
5"
105
6-1/4"
6"
135
8"
7"
140
Model
Clearances
Other
Front
Top
Sides
4"
6"
16"
4"
6"
16"
Alcove
6"
16"
Alcove
6"
16"
Alcove
6"
16"
Flue
Vent
6"
6"
6"
6"
6"
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