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Weil-McLain
500 Blaine Street
Michigan City, IN 46360-2388
http://www.weil-mclain.com
C-822R1(0803)
Page 3 of 4
• Provided with a swing-away burner mounting door to allow greater ease of service.
• Provided with the means to vent out the top or out the rear of the boiler.
• Shipped with insulated heavy gauge steel jacket(s) with durable powdered paint
enamel finish. Jacket designed to be installed after connecting supply and return
piping.
C. Boiler foundation(s)
1. Installer shall construct required level concrete foundation(s) and support(s) where boiler
room floor is uneven or will not support the weight of the boiler(s).
D. Boiler trim
1. All electrical components to be of high quality and third (3
rd
) party recognized.
2. Electrical wiring to utilize a labeled and color-coded wiring harness to help assure correct
wiring.
3. Water boiler(s) standard controls furnished:
• P Boiler(s) only: High-low temperature limit control with circulator relay. (240 degrees
F maximum allowable water temperature)
• A and B Boiler(s) only: High temperature limit control with circulator relay. (240
degrees F maximum allowable water temperature)
• Combination pressure-temperature gauge. Dial clearly marked and easy to read.
• A.S.M.E. certified pressure relief valve, set to relieve at 30 PSIG. Side outlet
discharge type; installer to pipe outlet to floor drain or near floor.
4. Steam boiler(s) standard controls furnished:
• High pressure limit control. (15 PSI maximum allowable steam pressure)
• Steam pressure gauge. Dial clearly marked and easy to read.
• A.S.M.E. certified pressure relief valve, set to relieve at 15 PSIG. Side outlet
discharge type; installer to pipe outlet to floor drain or near floor.
• Model P-SGO Boiler(s) only: Low water cut-off (LWCO). LWCO shall be ( ) electrode
or ( ) float-mechanism (check one) type capable of shutting down the boiler in event of
a low water situation.
E. Additional Components
1. Model P-WTGO Boiler(s) only: The boiler(s) shall be installed with a tankless heater with
½” inlet and outlet openings. The tankless heater opening shall be machined to completely
capture sealing ring between the heater and the section.
2. Model A- and B-WTGO Boiler(s) and all SGO Boiler(s) only: The boiler(s) shall be provided
with an opening for an optional tankless heater. A cover plate shall be installed over the
opening.