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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.

  • Item#:
    1.25-70SS
    Manufacturer Item:
    1.25-70SS
    Manufacturer:
    MONARCH NOZZLES
    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.



  • Item#:
    1.10-80SS
    Manufacturer Item:
    1.10-80SS
    Manufacturer:
    MONARCH NOZZLES
  • PVC DWV FITTINGS Manufactured with uncompromising attention to precision and detail, our comprehensive line of PVC DWV fittings offer excellent rigidity with resistance to chemicals and corrosion. Smooth interior walls prevent scaling and provide for free flow. Consistent quality and dimensional integrity ensure a perfect fit with every piece. Packaged in standard quantities and dimensions with our easy to use style numbering system. Mueller Streamline Co. is a national agent for CPF DWV.
  • PVC SCHEDULE 40 PRESSURE FITTINGS
    Our full line of quality Schedule 40 PVC plastic fittings are designed to meet most all residential, industrial and irrigation/agricultural needs. Renowned for superior strength and enhanced performance, our pressure plastic fittings are designed and tested under real world cyclic pressure conditions so they excel in extreme applications where lesser products often fail. Along with superior strength, our pressure plastic fittings offer smoother inner walls for low pressure drops and superior resistance to chemicals and corrosion.

  • Item#:
    06003
    Manufacturer Item:
    06003
    Manufacturer:
    MUELLER STREAMLINE CO
    Streamline 06132 DWV 45 Degree Elbow 6"SCH40,
    ,

    Item#:
    06132
    Manufacturer Item:
    06132
    Manufacturer:
    PVC PIPE & FITTINGS
    Parker 068Z3206 Expansion Valve Internal R22
    Item#:
    068Z3206
    Manufacturer Item:
    068Z3206
    Manufacturer:
    DANFOSS LLC(HVAC/R)
    Browning 1VP62X11/8 Sheave 1-Groove Cast Iron Variable Pitch 6.2" x 1-1/8"

    Item#:
    1VP62X11/8
    Manufacturer Item:
    1VP62X 1 1/8
    Manufacturer:
    REGAL BELOIT AMERICA-PTS
  • PVC DWV FITTINGS Manufactured with uncompromising attention to precision and detail, our comprehensive line of PVC DWV fittings offer excellent rigidity with resistance to chemicals and corrosion. Smooth interior walls prevent scaling and provide for free flow. Consistent quality and dimensional integrity ensure a perfect fit with every piece. Packaged in standard quantities and dimensions with our easy to use style numbering system. Mueller Streamline Co. is a national agent for CPF DWV.
  • PVC SCHEDULE 40 PRESSURE FITTINGS
    Our full line of quality Schedule 40 PVC plastic fittings are designed to meet most all residential, industrial and irrigation/agricultural needs. Renowned for superior strength and enhanced performance, our pressure plastic fittings are designed and tested under real world cyclic pressure conditions so they excel in extreme applications where lesser products often fail. Along with superior strength, our pressure plastic fittings offer smoother inner walls for low pressure drops and superior resistance to chemicals and corrosion.

  • Item#:
    06143
    Manufacturer Item:
    06143
    Manufacturer:
    MUELLER STREAMLINE CO
    Parker 068Z3346 Expansion Valve Internal R134A
    Item#:
    068Z3346
    Manufacturer Item:
    068Z3346
    Manufacturer:
    DANFOSS LLC(HVAC/R)
    Gray Metal Products, Inc., is a family owned business started in 1906, is a full line manufacturer of heating and air conditioning products. For several decades, Gray Metal Products line has been sold to the wholesale distributors and wholesale hardware chains. Our product lines consist of prefabricated air duct and fittings for HVAC, black stovepipe and fittings, as well as hearth accessories and insulated flexible air duct products.


    Item#:
    10-30-301
    Manufacturer Item:
    10-30-301
    Manufacturer:
    GRAY METAL PRODUCTS
    ICP Fast Motors 1083044 Blower Fan Motor Direct Drive 1/3 HP 208-230 VAC

    Item#:
    1083044
    Manufacturer Item:
    MTR13-230DD
    Manufacturer:
    NIDEC MOTOR CORPORATION
    International Comfort Products Fast Parts Motors 1187055 Blower Fan Motor 1/3 HP 120 VAC

    Item#:
    1187057
    Manufacturer Item:
    1187057
    Manufacturer:
    ICP FAST PARTS
    Gray Metal Products, Inc., is a family owned business started in 1906, is a full line manufacturer of heating and air conditioning products. For several decades, Gray Metal Products line has been sold to the wholesale distributors and wholesale hardware chains. Our product lines consist of prefabricated air duct and fittings for HVAC, black stovepipe and fittings, as well as hearth accessories and insulated flexible air duct products.
    Item#:
    12X8-122SD
    Manufacturer Item:
    12X8-122SD
    Manufacturer:
    GRAY METAL PRODUCTS
    |◀ 169 - 180 of 358 ▶|
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