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Part number 550-100-026/0404
GAS-FIRED WATER BOILER SERIES 2 — Boiler Manual
4
Contents
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.
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