Weil-McLain -230 ユーザーズマニュアル

Part number 550-101-233/0903

43

Dimensions

1

. Boiler supply and return tappings are both 1" NPT (Ultra-

80/105/155/230) or 1¼" NPT (Ultra-310). See pages 14
through 18 for recommended system supply and return
piping sizes. 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. Circulator may be

mounted on either boiler supply or return piping.  Both 1"

and 1¼" circulator flanges are shipped with boiler on Ultra-
80/105/155/230. Both 1¼" and 1½" circulator flanges are
shipped with boiler on Ultra-310.

3

. Relief valve is shipped loose. See page 11 for mounting

details. Relief valve mounts on supply pipe off of supply
tee and ¾" street elbow as shown.