Weil-McLain P-SGO User Manual

                                                                                                                                                                                                                       

Weil-McLain 

500 Blaine Street 

Michigan City, IN  46360-2388 

C-822R1(0803) 

Page 1 of 4 

 

 

A.  Furnish and install   

 (qty) low pressure, natural draft, cast iron sectional boiler(s). 

B.  Install boiler unit(s) in compliance with manufacturer’s installation instructions. 

All work must be done in a neat and workmanlike manner. 

C. Weil-McLain 

 

 

 (qty) P/B/A (circle one) W/WT/S (circle one) GO -  

 

 (size) 

boiler(s) capable of burning No. 2 fuel oil. “P” boilers not available for sizes 7-9. 

D. Boiler 

assembly: 

1. 

“P” Boiler(s) (not available for sizes 7-9) to be factory packaged, wired, and fire tested with 
jacket, circulator, burner, and controls. Boiler(s) shall be shipped ready for field installation. 

2. 

“B” Boiler(s) cast iron sections to be factory assembled with jacket. Circulator, burner, and 
controls to be packed separately and assembled at job site. Jacket not installed on sizes 7-
9. 

3. 

“A” Boiler(s) cast iron sections to be factory assembled with jacket. Circulator and controls 
to be packed separately and assembled at job site. Jacket not installed on sizes 7-9. 

E.  Boiler(s) to be either water (WGO or WTGO) or steam (SGO). 

F.  Boiler(s) shall be 85% (water boilers) or 83% (steam boilers) minimum efficient as rated by 

D.O.E. seasonal efficiency (AFUE) and listed in the current GAMA Directory of Certified 
Ratings. 

1. 

“Levittown” boiler(s) (P-WTGO-3L only) shall be 84.5% minimum efficient as rated by 
D.O.E. seasonal efficiency (AFUE) and listed in the current GAMA Directory of Certified 
Ratings. 

G.  Boiler(s) shall meet U.S. Environmental Protection Agency and Department of Energy 

guidelines for “ENERGY STAR” energy efficiency. (Does not apply to “Levittown” boiler(s) (P-
WTGO-3L only)). 

H.  Boiler(s) shall have I=B=R Hydronics Institute gross output(s) at 100% firing rate  

 

 

MBH per boiler.  

I. 

Boiler(s) shall be manufactured by an ISO 9001 registered company to conform to Section IV 
of the ASME Boiler and Pressure Vessel Code. 

1. 

Individual sections and section assembly shall undergo hydrostatic pressure test at factory 
in accordance with ASME requirements for 50 PSIG working pressure and cast as part of 
section with ASME symbol.