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Flow Rate
- Atomizing noz.zles are available in a wide range of flow rates, all but eliminating the need for specially calibrated noz.zles. Between 1.00 GPH and 2.00 GPH, for example, seven different flow rates are available. Generally, with hot water and warm air heat, the smallest firing rate that will adequately heat the house on the coldest day is the proper size to use and the most economical. Short on-cycles result in low efficiency. Another guideline is to select the flow rate that provides a reasonable stack temperature regardless of the connected load. (According to the New England Fuel Institute, aim for a stack temperature of 400°F or lower on matched packaged units or 500°F or lower on conversion burners.) If the boiler or furnace is undersized for the load, it may be necessary to fire for the load and ignore the efficiency
- Spray angles are available from 30° through 90° in most noz.zle sizes to meet the requirements of a wide variety of burner air patterns and combustion chambers. Usually it is desirable to fit the spray angle to the air pattern of the burner. In todays flame retention burner, it is possible to fire more than one spray angle with good results. Generally, round or square combustion chambers should be fired with 70° to 90° noz.zles. Long, narrow chambers usually require 30° to 60° spray angles.
- Burner air patterns are much like noz.zle spray patterns in that they fall into the same general classifications, either hollow or solid. As you would expect, a burner with a hollow air pattern generally requires a hollow cone fuel noz.zle. A burner with a solid air pattern will give highest efficiency with a solid cone noz.zle, but the flame will probably be longer
1.10 GPH 1.10-30B
Bay Insulation 1/2 x 48 x 100 Duct Wrap (FSK)
- 100" L x 48" W x 1/2" T,
,1/2 X 48 X 100
1/2 X 48 X 100
Item#:
1/2 X 48 X 100
Manufacturer Item:
DABA001
Manufacturer:
BAY INSULATION OF ILLINOIS INC
Raven Products 12C12C12F-CT Cast Tee 1/2" Copper x 1/2" Copper x 1/2" Female,
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12C12C12F-CT
12C12C12F-CT
Bacharach 0011-7029 Sampling Hose Assembly, for use with 10-5022, 10-5000, 10-5011, 10-5020 Fyrite Classic Combustion Analyzer
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Bacharach N29-60
Bacharach N29-60
Item#:
N29-60
Manufacturer Item:
0011-7029
Manufacturer:
MSA SAFETY SALES, LLC
Dearborn Brass P9001 Polypropylene Slip Joint Nut 1-1/2" White
P9001
P9001
Dearborn Brass P9001A Polypropylene Slip Joint Nut 1-1/4" White
P9001A
P9001A
Field Controls 02724001 Silver Barometric Draft Control for Gas-Fired Furnaces and Boilers is Widely Used for Conversion Burner Installations, Gas Atmospheric Appliances, 6"
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- 28.3 sq-inch capacity
- 5 - 6" pipe size
- 24 ga (ring and gate), 26 ga (collar) thickness
- Because it is double acting, it opens out to relieve positive vent system pressures as low as 0.01"
- Can improve combustion stability and draft on many gas atmospheric installations with venting problems
- Provides precise, accurate control of drafts at levels higher than permitted by a standard draft diverter
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Field Controls 100-10
Field Controls 100-10
Lau Industries 38-2450-01 Oil Sleeve Bearing 3/4" (2 Pack)
38-2450-01
38-2450-01
Copeland Parts 940-0140-03 Potential Relay
Make sure you ask for and use genuine Copleand parts. Copeland parts fit right, first time. Insisting on genuine Copeland parts will keep your refrigeration & A/C Conpressor running reliably for the low haul. ,
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940-0140-03
940-0140-03
Weil-McLain Heating Parts 389900103 Coil Plate/Gasket/Studs/Bolts
389900103
Item#:
389900103
Manufacturer Item:
389900103
Manufacturer:
WEIL-MCLAIN
Watts Water 3001A-3/4 Dielectric Union 3/4" Sweat x Female,
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3001A-3/4
3001A-3/4
Item#:
3001A-3/4
Manufacturer Item:
0821405
Manufacturer:
A.Y. MCDONALD MFG. CO.
David Gooding B12XCPL Brass Coupling 1/2" FPT x FPT,
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B12XCPL
B12XCPL
Item#:
B12XCPL
Manufacturer Item:
BRCP0012-NL
Manufacturer:
BRASS FITTINGS