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When exact-fit reliability matters, Sid Harvey’s is your single source for original equipment manufacturer (OEM) replacement parts. Whether you're servicing commercial platforms, maintaining residential installations, or repairing legacy heating and cooling equipment, we stock the genuine factory components you need to get systems back up and running fast. Sid Harvey’s stocks Critical Component Inventory, Exact-Fit Guarantee, and Sid Harvey’s can supply you with fast cross-referencing & product support.
Empire Comforts P238 Coupling for use with PHP-4-PHB-4 Valve Cover, 1/2"
P238
Item#:
P238
Manufacturer Item:
P238
Manufacturer:
MITCO MFG.
Armstrong Pumps 106592-000 Body Gasket
Armstrong Pumps 106592-000
Item#:
106592-000
Manufacturer Item:
106592-000
Manufacturer:
ARMSTRONG PUMPS INC
Riello 3001170 Electronic Ignition Control Box for R35.3 and R35.5 Burner
Riello Parts 3001162
Item#:
3001162
Manufacturer Item:
3001162
Manufacturer:
RIELLO CORP OF AMERICA
Riello 3949172 Air Tube Assembly F15 Oil Burner 10-1/2" 2.55 - 5.75 GPH
Riello Parts 3949172
Item#:
3949172
Manufacturer Item:
3949172
Manufacturer:
RIELLO CORP OF AMERICA
Wayne Combustion Parts 56671-WYN1 EC-50K Repair kit
Wayne Combustion Parts 56671-WYN1
Item#:
56671-WYN1
Manufacturer Item:
56671-WYN1
Manufacturer:
WAYNE WATER SYSTEMS
Fernox 57882 F3 Cleaner,
,
,
Fernox 57882
Flow Rate
Atomizing nozzles are available in a wide range of flow rates, all
but eliminating the need for specially calibrated nozzles. 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 Angle
Spray angles are available from 30° through 90° in most nozzle
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° nozzles.
Long, narrow chambers usually require 30° to 60° spray angles.
Burner Air Patterns
Burner air patterns are much like nozzle 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 nozzle. A burner with a solid
air pattern will give highest efficiency with a solid cone nozzle,
but the flame will probably be longer
Spray Angle
Bosch 7747028943
Item#:
7747028943
Manufacturer Item:
7-747-028-943
Manufacturer:
BOSCH THERMOTECHNOLOGY CORP
Flow Rate
Atomizing nozzles are available in a wide range of flow rates, all
but eliminating the need for specially calibrated nozzles. 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 Angle
Spray angles are available from 30° through 90° in most nozzle
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° nozzles.
Long, narrow chambers usually require 30° to 60° spray angles.
Burner Air Patterns
Burner air patterns are much like nozzle 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 nozzle. A burner with a solid
air pattern will give highest efficiency with a solid cone nozzle,
but the flame will probably be longer
Spray Angle
Bosch 7747028944
Item#:
7747028944
Manufacturer Item:
7-747-028-944
Manufacturer:
BOSCH THERMOTECHNOLOGY CORP
International Comfort Products Fast Parts NAHB00101CT Condensate Trap
International Comfort Products Fast A/C Parts NAHB00101CT
Item#:
NAHB00101CT
Manufacturer Item:
NAHB00101CT
Manufacturer:
INTERNATIONAL COMFORT PRODUCTS
International Comfort Products Fast Parts NASA00201FS Evaporator Freeze Thermostat
International Comfort Products Fast A/C Parts NASA00201FS
Item#:
NASA00201FS
Manufacturer Item:
NASA00201FS
Manufacturer:
INTERNATIONAL COMFORT PRODUCTS