Page 26 | SERIES 28A BOILER INSTALLATION AND OPERATION INSTRUCTIONS |
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| Number of Sections with Item Quantities Below |
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| Ref # | Name of Part | Part # | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 1 | Front Section | 3621 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 2 | Graphite Port Connector Set | 60375 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
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| 3 | Draw Rod Washers | 62099 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | 64 | 68 |
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| 4 | 5/8" x 11" Draw Rods | 60102 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | 64 | 68 |
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| 5 | Draw Rod Hex Nuts | 60877 | 24 | 32 | 40 | 48 | 56 | 64 | 72 | 80 | 88 | 96 | 104 | 112 | 120 | 128 | 136 |
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| 6 | Rope, 1/2" x 12 1/2 feet | 70660 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
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| 8(2) | Cleanout Cover Assembly | 70592 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 9 | Cleanout Cover Nut | 60245 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 28 | 30 | 32 | 34 |
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| 10 | Cleanout Cover Washer | 62095 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 28 | 30 | 32 | 34 |
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| 11 | Cleanout Cover Rope Seal, 3/8" x 45" | 76538 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 12 | Cleanout Cover Bolt | 61414 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 28 | 30 | 32 | 34 |
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| 13 | Rear Observation Port Assembly | 70614 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 69371 | 1 | 1 | 1 | 1 | 1 |
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| 14 | Slide Damper | 69372 |
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| 1 | 1 | 1 | 1 | 1 |
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| 69373 |
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| 1 | 1 | 1 | 1 | 1 |
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| 15 | Flue Outlet Increaser, 16" to 18" | 69904 |
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| 1 | 1 |
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| Smoke Hood Assembly, 10" | 70633 | 1 | 1 | 1 |
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| 16(1) | Smoke Hood Assembly, 12" | 70611 |
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| 1 | 1 |
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| Smoke Hood Assembly, 14" | 70612 |
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| 1 | 1 | 1 | 1 | 1 |
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| Smoke Hood Assembly, 16" | 70613 |
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| 1 | 1 | 1 | 1 | 1 |
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| 16A | Smokehood insulating tape | 74301 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 3/4" Water Relief Valve, 40 lb. | 61997 | 1 |
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| 1" Water Relief Valve, 40 lb. | 61998 |
| 1 | 1 |
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| 17 | 1 1/4" Water Relief Valve, 40 lb. | 61999 |
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| 1 | 1 | 1 | 1 |
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| 1 1/2" Water Relief Valve, 40 lb. | 62000 |
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| 1 | 1 | 1 | 1 |
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| 2" Water Relief Valve, 40 lb. | 62002 |
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| 1 | 1 | 1 | 1 |
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| 1 1/4" Steam Safety Valve, 15 lb. | 61983 | 1 | 1 |
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| 1 1/2"Steam Safety Valve, 15 lb. | 61984 |
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| 1 | 1 |
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| 18 | 2" Steam Safety Valve, 15 lb. | 61985 |
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| 1 | 1 | 1 | 1 | 1 |
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| 2 1/2"Steam Safety Valve, 15 lb. | 61986 |
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| 1 | 1 | 1 | 1 | 1 |
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| 3" Steam Safety Valve, 15 lb. | 61987 |
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| 1 |
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| 19 | Back Section | 3630 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 20 | Intermediate Section w/ 5" Tapping & Boss | 3624 |
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| Section quantities based on model ordered |
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| Intermediate Section, Plain with Boss | 3622 |
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| 21 | Intermediate Section, Plain w/o Boss | 3658 |
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| Section quantities based on model ordered |
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| Int. Section w/ Heater Opening w/o Boss | 3623 |
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| 22 | Hi Limit Control, L4006E | 50507 |
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| One per water boiler |
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| 23 | Tankless Cover Plate & Coil Gasket | 60327 |
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| 24 | Tankless Heater, 8 GPM, 30 L/H | 50653 |
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| Quantities based on model ordered |
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| Tankless Heater, 12 GPM, 45 L/H | 50655 |
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| 25 | Tankless Cover Plate with Gasket | 70628 |
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| Quantities based on model ordered |
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| 26 | Operating Control, L4007A | 50510 |
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| One per water boiler |
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| 27 | 3 1/2" Temperature/Pressure Gage | 60267 |
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| One per water boiler |
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| 28 | Gauge Glass, 5/8" x 11 1/2" | 61931 |
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| One per steam boiler |
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| 29 | Observation Glass Gasket, Inner | 60317 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 30 | Observation Glass | 60326 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 31 | Observation Glass Gasket, Outer | 60318 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 32 | Observation Glass Holder | 60314 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| 33 | Observation Glass Cover Plate | 3420 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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(1)Smokehood assembly includes the smokehood, slide damper, angle bracket and hardware.
(2)Cleanout cover assembly includes the cleanout cover, insulation, rope and mounting hardware.