COMMERCIAL - SERIES 32 SPECIFICATIONS
Steam Boiler Piping, Three Supply Connections, Gravity Return

Minimum Pipe Sizes

32-1045	32-1140	32-1235	32-1330	32-1425	32-1520
3"	3"	3"	3"	3"	3"	A
4"	4"	4"	4"	4"	4"	B
5"	5"	5"	5"	5"	6"	C
2-1/2"	2-1/2"	2-1/2"	2-1/2"	2-1/2"	2-1/2"	D
2"	2"	2"	2"	2"	2"	E

NOTE: FOR BOILER MODELS 1045 THROUGH 1520 IT IS PERMISSIBLE TO
FABRICATE THE ENTIRE LENGTH OF THE STEAM HEADER USING
THE LARGEST PIPE DIAMETER AS INDICATED IN B FOR A GIVEN SIZE BOILER IN THIS RANGE