GAS-FIRED WATER BOILER Installation Manual — Multiple-boiler Systems

Dimensions

Figure 2 Dimensional data

Notes

1.Boiler supply and return tappings are both 1" NPT. Connect to headers with 1” pipe for Ultra-80 and Ultra-105; 1¼" pipe for Ultra-155 and Ultra-230. For wall-hung boilers, water piping and gas pipe can be routed through bottom of enclosure using wall-mounting kit.

2.Boiler circulator is shipped loose. Mount boiler circulator in connecting piping as shown in this manual. Boiler is shipped with 1" and 1¼" circulator flanges.

3.Relief valve is shipped loose. See Boiler Manual pages 14 and 15 for mounting details. Relief valve mounts on ¾" street elbow connected to 1" x 1" x ¾" tee on boiler supply pipe, as shown in manual.

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Part number 550-101-232/0703

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Weil-McLain Boiler installation manual Dimensions, Dimensional data

Boiler specifications

Weil-McLain is a renowned manufacturer of heating systems, particularly known for its high-efficiency boilers designed for residential, commercial, and industrial applications. With a legacy spanning over a century, Weil-McLain has built a reputation for durability, performance, and energy efficiency in the heating industry.

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