Weil-McLain 550-141-829/1201 - Manual

Provide air for combustion and ventilation: Adequate combustion and ventilation air: • Assures proper combustion. • Reduces risk of severe personal injury or deathfrom possible flue gas leakage and carbonmonoxide emissions. Do not install exhaust fan in boiler room. Older buildings with single-pane ...

Place boiler: 1. Remove boiler from pallet. Do not drop boiler or bumpjacket on floor or pallet. Damage to boiler can result. Smaller sized boilers may betop heavy. Use caution when handling to avoid minor personal injury orproperty damage. 2. Boiler is shipped for back flue outlet. To change to top...

Fiberglass wool and ceramic fiber materials: • POSSIBLE CANCER HAZARD BY INHALATION • CAN CAUSE RESPIRATORY, SKIN AND EYE IRRITATION This product contains fiberglass wool and ceramicfiber materials. Airborne fibers from these materialshave been listed by the State of California as apossible cause of...

Install burner (also refer to instructionspacked with burner): Burners designed for use withWeil-McLain 68 boilers must not be used on GOLD Oil boilers. Contact individual burnermanufacturers for GOLD Oil applications. For P-SGO and A-SGO boiler: 1. Secure universal mounting flange and gasket to bur...

General chimney requirements: • Designed for natural draft firing. Connectboiler to vertical chimney. Insufficient draft can cause fluegas leakage and carbon monoxide emissions, which will lead to severepersonal injury or death. • Use vent material approved by local codes foroil-fired burners. In th...

General piping information: • Hartford Loop piping arrangement and wetreturn are required for steam boilers. • Maintain 24-inch minimum from waterline tobottom of header (minimum 50 7 / 8 " from floor or top of foundation). • When using condensate receiver, feed pumpmust be energized by boiler-m...

Optional reservoir piping: Modern steam boilers are designed to steam forless time than older, larger boilers. When replacingan older steam boiler, the system condensatereturn time may be longer than the steaming time.This can cause the following problems:• Boilers fitted with an automatic water fee...

Hot Water Can Scald! • Consumer Product Safety Commission andsome states recommend domestic hot watertemperature of 130°F or less. • When installing an automatic mixing valve,selection and installation must comply with valve manufacturer’s recommendationsand instructions. • Water heated to a tempera...

General wiring requirements: Electric shock hazard. Can causesevere personal injury or death if power source, including service switch on boiler, isnot disconnected before installing or servicing. • Installations must follow these codes:— National Electrical Code, ANSI/NFPA 70, latest edition and an...

General oil piping requirements: • Location and installation of oil tanks, oil pipingand burners must follow:— NFPA 31, Standard for the Installation of Oil-Burning Equipment. — In Canada, CSA B139, Installation of Oil- Burning Equipment. — Local codes and regulations.— Information provided with bur...

Follow information below to preventsevere personal injury, death or substantial property damage:• Do not use gasoline crankcase drainings orany oil containing gasoline. See burner manualfor proper fuel oil. • Do not attempt to start burner when excess oilhas accumulated, when unit is full of vapor o...

Date Installed: ______________________________________________ Boiler Model Number: __________________ Series: _________ CP Number(s): ______________________________________________ Measured Btu or GPH Input: _____________________________ ❏ Installation instructions have been followed. ❏ Check-out p...

Burner adjustments for “P” and “A” boilers: Final burner adjustments must bemade using combustion test equipment to assure proper operation. Do not fireboiler without water or sections will overheat. 1. Refer to burner manual for start-up.2. Allow boiler to heat to design condition.3. Using combusti...

Parts List Repair parts must be purchased through Weil-McLain for the specific boiler asindicated in the list below. Results from using modified or other manufacturedparts will not be covered by warranty and may damage boiler or impair operation.

30 DIMENSIONS - in. BOILERMODEL NUMBER A B L SGO-3 — 13 1 / 2 16 7 / 8 SGO-4 — 16 5 / 8 2 0 SGO-5 — 19 7 / 8 2 2 1 / 8 SGO-6 19 23 1 / 2 2 6 1 / 4 SGO-7 22 1 / 8 26 1 / 8 29 3 / 8 SGO-8 25 1 / 4 29 1 / 4 32 1 / 2 SGO-9 28 3 / 8 32 3 / 8 35 5 / 8 DIMENSIONS - mm. BOILERMODEL NUMBER A B L SGO-3 — 342....