WB19K26 1/2" x 3/8"
4"/10" convertible
Set at 4" natural gas
"Specialty" pressure regulator
WB19K27 1/2" x 3/8"
4"/10" convertible
Set at 4" natural gas
Has 3/8" female fine thread tubing side outlet
WB21X5339 1/2" x 1/2"
4"/10" convertible
Set at 4" natural gas
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