By Hayward Pool Products
Part # 6223-164
Manufacturer Code FDXLBON1930
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will these adjust the H400FD from sea level to 5100 ft and do I have to change the gas valve ?
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Hi, James. This Burner Orifice Kit can be used with any elevation. You will need the High Altitude Kit - FDXLHAK1930 in order to operate your unit at a specific elevation.
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