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Weil-McLain 80 Boiler For Gas, Light Oil, Gas/Light Oil Fired Burners
2 Part No. 550-141-935/0602
Hazard Definitions
The following defined terms are used throughout this manual to bring attention to the presence of hazards of various
risk levels, or to important information concerning the life of the product.
Indicates presence of hazards that will cause severe personal injury, death or substantial property
damage if ignored.
Indicates presence of hazards that can cause severe personal injury, death or substantial property
damage if ignored.
Indicates presence of hazards that will or can cause minor personal injury, death or substantial
property damage if ignored.
Indicates special instructions on installation, operation or maintenance that are important but not
related to personal injury.
Contents
Read all instructions before installing.
Failure to follow all instructions in proper
order can cause severe personal injury,
death or substantial property damage.
Do not use petroleum-based cleaning or
sealing components in boiler system.
Severe damage to system components can
result, causing substantial property
damage.
1. Before installing boiler .................................................................................. 3
2. Set boiler in place........................................................................................... 5
3. Assemble block .............................................................................................. 6
4. Perform hydrostatic pressure test ................................................................ 8
5. Complete block assembly ............................................................................. 9
6. Install flue collector...................................................................................... 10
7. Connect water boiler piping ........................................................................ 14
8. Connect steam boiler piping ....................................................................... 16
9. Install jacket .................................................................................................. 20
10. Pipe tankless heaters................................................................................... 27
11. Install water boiler controls ......................................................................... 28
12. Install steam boiler controls........................................................................ 29
13. Connect breeching and venting system .................................................... 31
14. Install burner................................................................................................. 32
15. Wiring and fuel piping.................................................................................. 32
16. Make final adjustments ................................................................................ 32
17. Dimensions and ratings............................................................................... 34
18. Parts .............................................................................................................. 36
Handling ceramic fiber and fiberglass materials....................................... 38
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