Weil-McLain 105, 80, 230, 310, 155 manual Dimensions, GAS-FIRED WATER BOILER - Boiler Manual

10 GAS-FIRED WATER BOILER — Boiler Manual

Dimensions

Notes 1. Boiler supply and return tappings are both 1" NPT (Ultra-	and 1¼" circulator flanges are shipped with boiler on Ultra-
80/105/155/230) or 1¼" NPT (Ultra-310). See pages 14	80/105/155/230. Both 1¼" and 1½" circulator flanges are
through 18 for recommended system supply and return	shipped with boiler on Ultra-310.
piping sizes. Wall-hung boilers: water piping and gas pipe	3. Relief valve is shipped loose. See page 11 for mounting
can be routed through bottom of enclosure using wall-	details. Relief valve mounts on supply pipe off of supply
mounting kit.
	tee and ¾" street elbow as shown.
2. Boiler circulator is shipped loose. Circulator may be
mounted on either boiler supply or return piping. Both 1"

Part number 550-101-233/0903 43