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1/4" Compression Coupling Extended Inlet Fitting w/ .011" Orifice (NG/LP)
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$17.40 each
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Product Highlights
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1/4"
Propane, Natural Gas
Description
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The Y90 inlet fitting controls the flow of gas to a pilot
burner. The orifice hole size and counterbore/coining,
along with the applied gas pressure, determine flame
size and characteristics.
Pilot burner inlet fittings consist of an inlet tip (containing the orifice holes) and a threaded inlet body allowing connection of the pilot line. The orifice holes are used to direct and control the flow of gas to a pilot burner. The inlet fitting positions the orifice holes in relation to the pilot burner?s aeration opening and pilot tip.
The majority of inlet fittings Johnson Controls manufactures have two orifice holes offset at an angle. In an inlet fitting with counterbore/coining, the pilot gas streams intersect. The turbulence caused by this intersection provides better gas and air mixing for combustion. Figure 1 illustrates the counterbore/coining of an orifice. The two holes are drilled at 90° to the counterbore/coining surface. The gas flow rate and pattern is dependent upon the gas pressure, drill size, counterbore, and wall thickness (or web) of the inlet tip.
Pilot burner inlet fittings consist of an inlet tip (containing the orifice holes) and a threaded inlet body allowing connection of the pilot line. The orifice holes are used to direct and control the flow of gas to a pilot burner. The inlet fitting positions the orifice holes in relation to the pilot burner?s aeration opening and pilot tip.
The majority of inlet fittings Johnson Controls manufactures have two orifice holes offset at an angle. In an inlet fitting with counterbore/coining, the pilot gas streams intersect. The turbulence caused by this intersection provides better gas and air mixing for combustion. Figure 1 illustrates the counterbore/coining of an orifice. The two holes are drilled at 90° to the counterbore/coining surface. The gas flow rate and pattern is dependent upon the gas pressure, drill size, counterbore, and wall thickness (or web) of the inlet tip.
Specs
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| Orifice: | 0.011" |
|---|---|
| Size: | 1/4" |
| Fuel Type: | Propane Natural Gas |
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Showing 1-2 of 2 reviews
Fit Perfectly
It fit the pilot burner exactly and saved me from having to change the whole pilot burner spark ignition assembly.It was an amazing cheap fix and made the repair very inexpensive verse what could have been a costly over haul
Catfish51
Berlin,CT
9 years ago
Verified Buyer
Was this review helpful to you?
Worked perfectly!
Worked perfectly!
Soopersonny
Ft Collins
10 years ago
Verified Buyer
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On orders over $99
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