General Requirements A. Furnish and install ( ) low pressure packaged, sealed combustion, power vented, high Efficiency gas fired cast iron sectional boiler(s) that that can use outside air for combustion. B. Install boiler-burner unit(s) in compliance with manufacturers installation instructions. All work must be done in a neat and workman like manner. C. Weil-McLain qty.( ) CGs boiler(s) size(s) ( ) capable of burning natural gas at 5 to 13”w.c. or propane 11 to 13”w.c. inlet pressure. 1.

High temperature sealing rope is used to provide permanent gas- tight seal between front section and plate. • Furnished with two observation ports (one in front and one in back) to allow visual inspection of the flame. • Provided with cast iron flue collar with a built-in adjustable damper capable of being locked into place after adjustment. • High temperature sealing rope used to provide permanent gas-tight seal between hood and section assembly. • Furnished with heavy gauge steel cleanout plat

Furnish and install ( ) low pressure, wet base, cast iron sectional boiler(s) with power burner(s) that pressurize the firebox and operate under forced and balanced draft. B. Assemble and install boiler-burner unit(s) in compliance with manufacturers installation instructions. All work must be done in a neat and workman like manner. C. Weil-McLain (P)(A)(B) L, (P)(A)(B) G, (P)(A)(B) GL- ( )94-(W) (S)F boiler(s) with burner(s) capable of burning natural gas at ( )” W.C. inlet pressure and/or No.

4” W.C., MAX. 13” W.C.) WITH MANOMETER BY CONNECTING TO GAS INLET PRESSURE TAP ON THE GAS VALVE LOCATED JUST ABOVE THE GAS INLET PIPING. UIIILHIeUUN A Unitejd Dcmhkjn Company Weil-McLain 500 Blaine Street Michigan City, IN 46360-2388 http://www.weil-mclain.com

Failure to follow all instructions in proper order can cause severe personal injury, death, or property damage. The qualified agency performing this work assumes responsibility for this conversion. DO NOT TAMPER WITH ORIFICE SIZE. CHANGING OR MODIFYING IN ANY WAY CAN CAUSE SEVERE PERSONAL INJURY, DEATH, OR PROPERTY DAMAGE. DO NOT LEAVE ANY UNINSTALLED ORIFICE PLATES IN THE BUILDING. 550-110-085/0501 PROPANE CONVERSION IS EASIEST WHEN BOILER IS ON SKID. A 1. REMOVE JACKET FRONT PANEL. 2.

CHANGING OR MODIFYING IN ANY WAY CAN CAUSE SEVERE PERSONAL INJURY, DEATH, OR PROPERTY DAMAGE. DO NOT LEAVE ANY UNINSTALLED ORIFICE PLATES IN THE BUILDING. 550-110-085/0501 PROPANE CONVERSION IS EASIEST WHEN BOILER IS ON SKID. A 1. REMOVE JACKET FRONT PANEL. 2. LOCATE EXISTING ORIFICE PLATE BETWEEN BLOWER HOUSING AND GAS/AIR MANIFOLD. 3. REMOVE FRONT 2 SCREWS HOLDING GAS/AIR MANIFOLD AND ORIFICE PLATE TO BLOWER HOUSING. LOOSEN BACK 2 SCREWS. 4. PULL OUT EXISTING ORIFICE PLATE. 5. SLIDE I

LOOSEN BACK 2 SCREWS. 4. PULL OUT EXISTING ORIFICE PLATE. 5. SLIDE IN NEW ORIFICE PLATE UNTIL FRONT SCREW HOLES LINE UP. 6. INSTALL FRONT 2 SCREWS. 7. TIGHTEN ALL 4 SCREWS EVENLY. 8. BEND DOWN FRONT LIP ON ORIFICE PLATE. 9. REPLACE JACKET FRONT PANEL. 10. AFFIX CONVERSION LABEL ON LEFT SIDE OF BOILER ABOVE GAS PIPING, ON TOP OF RIVETS. 11. SEE BOILER MANUAL PACKED WITH BOILER FOR GAS LEAK TEST AND START-UP/CHECK-OUT PROCEDURES. BLOWER HOUSING J,VJ ORIFICE PLATE FRONT LIP GAS/AIR MA