COMMERCIAL - SERIES 32 SPECIFICATIONS
Steam Boiler Piping, One or Two Supply Connections, Gravity Return

Minimum Pipe Sizes

32-475*	32-570	32-665	32-760	32-855	32-950
3"	3"	3"	3"	3"	3"	A
3"	4"	4"	4"	4"	5"	B
2"	2"	2-1/2"	2-1/2"	2-1/2"	2-1/2"	C
1-1/2"	1-1/2"	2"	2"	2"	2"	D

*second supply riser optional