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Specification

Boilers:

Furnish and install ___________ forced draft firetube steel factory packaged boilers for (No. ___________ oil) (

___________ gas) (combination ___________ gas and No. ___________ oil) complete with fuel burning equipment,

safety and operating controls, and appurtenances as hereinafter specified.

1. Boiler unit(s) shall be Burnham Commercial Model 4F ___________ as manufactured by Burnham Commercial, for (15 1. Boiler unit(s) shall be Burnham Commercial Model 4F ___________ as manufactured by Burnham Commercial, for (15

psi steam) (30 psi water) (60 psi water) service, and shall have a gross output of ___________ MBH.

2. Boiler unit(s) shall contain not less than ___________ sq. ft. of fireside heating surface and not less than ___________

cubic feet of furnace volume. Heat release in the firebox shall not exceed ___________ BTU/hr. per cubic foot.

3. Boiler pressure vessel shall be constructed, tested, and marked in accordance with the ASME code for low pressure

heating boilers and shall be registered with The National Board of Boiler and Pressure Vessel Inspectors.

4. The unit(s) shall be of 3-pass firebox design with two passes of horizontal firetubes. All tubes shall be roller expanded at 4. The unit(s) shall be of 3-pass firebox design with two passes of horizontal firetubes. All tubes shall be roller expanded at

each end and shall be flared. Unit(s) shall be sealed for pressurized firing, shall have welded on skid base with factory in-

stalled firebox floor insulation, gas-tight front flue door, and gas-tight rear smokebox with (rear) (top) outlet. A Pyrex glass

observation port shall be provided at the rear of the firebox, units larger than 320 square feet fireside heating surface shall

have the observation port installed in a 16 inch diameter rear access door.

5. Unit(s) shall be provided with factory installed enamel finish jacket and not less than 1 inch thick fiberglass insulation.

*6a. Trim and controls for steam units shall consist of steam pressure gauge, water gauge set, ASME safety valve(s), low

water cut-off, operating pressure control, high limit pressure control, [firing rate control with (lo-hi-lo) or (modulating) se-

quence], flue cleaner brush with handle. Units larger than 675 square feet heating surface shall be provided with a pump

controller combined with the low water cut-oft.

*6b. Trim and controls for water units shall consist of pressure-altitude gauge and thermometer, ASME relief valve(s), low

water cut-off, operating temperature control, high limit temperature control, [firing rate control with (10-h i-lo) or

(modulating) sequence], flue cleaner brush with handle.

*7. Unit(s) shall be equipped with Model ___________ built-in tankless heater coil installed in the water space at the front

of the boiler, with capacity to heat ___________ GPH of domestic water from 40° F to 140° F with boiler water at

___________ °F

8. Fuel Burning Equipment: The burner(s) shall be factory installed and wired, shall incorporate all necessary devices and 8. Fuel Burning Equipment: The burner(s) shall be factory installed and wired, shall incorporate all necessary devices and

controls to make a complete fuel burning system for the type of fuel hereinbefore specified, and shall bear the listing label

of Underwriters Laboratories, Inc. evidencing compliance with requirements of UL-296 for oil burners, and/or UL-795 for

gas burners.

*Oil burners for No.2 oil shall be of the forced draft pressure atomizing type, complete with integral motor driven blower, oil *Oil burners for No.2 oil shall be of the forced draft pressure atomizing type, complete with integral motor driven blower, oil

pump, oil nozzle(s), oil solenoid valve(s), ignition assembly, combustion safeguard, motor starters, and all necessary con-

trols for safe and efficient operation in accordance with UL requirements (and FM requirements) (and IRI requirements).

Note: Insert additional details such as desired combustion safeguard, firing sequence, and/or other features to meet proj-

ect requirements.

*Oil burners for (No.2 oil) (No.4 oil) (No.5 oil) (No.6 oil) shall be of the forced draft low pressure air atomizing type, com-

plete with integral motor driven blower, air compressor, oil supply pump, atomizing assembly, ignition assembly, combus-

tion safeguard, motor starters, and all necessary controls for safe and efficient operation in accordance with UL require-

ments (and FM requirements) (and IRI requirements).

Note: Insert additional details such as desired combustion safeguard, firing sequence, oil heating equipment for heavy oil,

and/or other features to meet project requirements.

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Specification 1

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Page 1 - Specification

SpecificationBoilers:Furnish and install ___________ forced draft firetube steel factory packaged boilers for (No. ___________ oil) ( ___________ gas)

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*Gas burners shall be of the forced draft multi-jet type suitable for burning gas with heat content of ___________ BTU per cubic foot and specific gra