®
HOT WATER SUPPLY AND RETURN HEADERS PARTS LIST AND ASSEMBLY INSTRUCTIONS
L-Series: Oil-fired Modular Boilers
Header Parts List
Header Package Order Code
| 7 | 2 |
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| 5 | 7 | 3 | |
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4 3 |
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| 43 |
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| Number of Modules |
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Item |
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| Part No. | 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 |
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| 10 | ||||||||||
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2 |
| – |
| 4 |
| 2 |
| – |
| 4 |
| 2 |
| – | 4 | ||||
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– |
| 2 |
| – |
| 2 |
| 4 |
| 2 |
| 4 |
| 6 | 4 | ||||
Flex Joint - |
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| 2 |
| 4 |
| 4 |
| 6 |
| 8 |
| 8 |
| 10 |
| 12 | 12 | |
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Flex Joint - 3" pipe |
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| 4 |
| 4 |
| 8 |
| 8 |
| 8 |
| 12 |
| 12 |
| 12 | 16 | |
Cast End Cap - 3/4" NPT |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 | 1 | ||
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Cast End Cap - No tap |
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| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 | 1 | |
Nipple - |
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| 3 |
| 4 |
| 6 |
| 7 |
| 8 |
| 10 |
| 11 |
| 12 | 14 | |
Nipple - |
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| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 | 10 | |
Nipple - |
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| 1 |
| 1 |
| 2 |
| 2 |
| 4 |
| 4 |
| 5 |
| 6 | 6 | |
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Nipple - |
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| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 | 10 | |
Square Nipple - | x | 8" T.O.E. | 1 |
| 2 |
| 2 |
| 3 |
| 4 |
| 4 |
| 5 |
| 6 | 6 | |
Square Nipple - | x | 34" T.O.E. | 1 |
| 2 |
| 2 |
| 4 |
| 6 |
| 5 |
| 6 |
| 6 | 6 | |
Union - |
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| 902428071 | 2 |
| 2 |
| 4 |
| 4 |
| 4 |
| 6 |
| 6 |
| 6 | 8 |
Tee - |
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| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 | 10 | |
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Bushing - |
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| 902179321 | 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 | 10 |
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Elbow - |
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| 902454071 | 4 |
| 6 |
| 8 |
| 10 |
| 12 |
| 14 |
| 16 |
| 18 | 20 |
Installation Instructions |
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| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 |
| 1 | 1 |
Part No. | Publication |
| Printed in U.S.A. 1003 |