GAS-FIRED WATER BOILER — Boiler Manual

Contents

How it works

2–3

Hazard definitions

4

Please read before proceeding

5

1

 

Prepare boiler location

6

2

 

Prepare boiler

9

3

 

Install water piping

12

4

 

Venting, combustion air & condensate line

19

5

 

Gas piping

21

6

Startup (Note 1)

23

7

 

Check-out/startup verification

26

8

 

Annual startup and general maintenance

28

9

 

Replacement parts

35

10

Dimensions

43

11

Ratings

44

Note 1: See Ultra Control Supplement for wiring and additional startup and operating information.

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.

Indicates presence of hazards that can cause severe personal injury, death or substantial property damage.

Indicates presence of hazards that will or can cause minor personal injury or property damage.

Indicates special instructions on installation, operation or maintenance that are important but not related to personal injury or property damage.

4

Part number 550-101-233/0903

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Weil-McLain 155, 80, 230, 310, 105 manual Contents, Hazard definitions