PFG SERIES BOILER
SUGGESTED SPECIFICATIONS
I.
General Requirements
A.
B.
C.
Furnish and install _____ (qty) packaged atmospheric gas cast iron sectional
boiler(s).
Install packaged boiler unit(s) according to manufacturer’s installation
instructions. All work to be done in a neat and workmanlike manner.
Weil-McLain _____ (qty) PFG-_____ (size) -PIDN, -PIN, -SPN, packaged
water boiler(s) capable of burning natural gas (propane available as product
option).
D.
The inlet natural gas pressure to the boiler gas valve(s) should be a minimum
of 5” w.c. and a maximum of 13” w.c. If inlet natural gas pressure exceeds
13” w.c., a 100% lock-up type gas pressure regulator of adequate size must
be installed in gas supply piping and adjusted to prevent pressure in excess
of 13” w.c.
E.
F.
G.
Boiler(s) shall have I=B=R Hydronics Institute gross output(s) at 100% firing
rate __________ MBH per boiler.
Boiler(s) shall be 80% minimum DOE efficient as required by National
Appliance Energy Conservation Act or ASHRAE 90.1.
Boiler(s) shall be manufactured by ISO 9001 registered company to conform
to Section IV of the ASME Boiler and Pressure Vessel Code.
1.
Individual sections (and section assembly) to be hydrostatically
pressure tested at factory in accordance with ASME requirements.
Maximum allowable working pressure 50 PSIG water cast as part of
section with ASME symbol.
2.
H.
I.
Regulatory Requirements
1.
2.
Boiler(s) and controls to comply with applicable regulations.
Add option for local codes, i.e. Mass. Code, BAR.
Boilers shall have a 10-year non-prorated warranty as outlined in written
warranty.
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c)
ASME certified pressure relief valve, set to relieve at 30 PSIG.
Optional relief valves available up to and including maximum
allowable working pressure. Side outlet discharge type;
contractor to pipe outlet to floor drain or near floor, not to any
area where freezing could occur.
M.
Boiler Manuals
1. The boiler(s) shall be provided with complete instruction manuals,
including:
a)
b)
c)
Installation Manual
User’s Manual
Gas Control Supplements
Weil-McLain
500 Blaine Street
Michigan City, I
C-811(699)
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