1/4 in. Male National Pipe Thread (MNPT)
Side Inlet Air Vents


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Armstrong 6AV 1-1/2in NPT 1-1/16in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D500038
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Armstrong 6AV 1-1/2in NPT 1-1/16in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D500038

Part #:501-D500038
$2,854.00 MSRP $ 2,409.75
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Armstrong 32AV 3/4in NPT 3/16in Orifice STD Forged Steel Air Vent, Side Inlet - Top Outlet D500629
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Armstrong 32AV 3/4in NPT 3/16in Orifice STD Forged Steel Air Vent, Side Inlet - Top Outlet D500629

Part #:501-D500629
$3,016.00 MSRP $ 2,560.07
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Armstrong 3AV 1in NPT 3/8in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D500637
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Armstrong 3AV 1in NPT 3/8in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D500637

Part #:501-D500637
$1,301.00 MSRP $ 1,107.24
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Armstrong 32AV 3/4in NPT 5/64in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D500698
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Armstrong 32AV 3/4in NPT 5/64in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D500698

Part #:501-D500698
$3,016.00 MSRP $ 2,560.07
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Armstrong 3AV 3/4in NPT 7/32in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D500773
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Armstrong 3AV 3/4in NPT 7/32in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D500773

Part #:501-D500773
$1,301.00 MSRP $ 1,107.24
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Armstrong 21312VAR 3/4in NPT 5/64in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D501040
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Armstrong 21312VAR 3/4in NPT 5/64in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D501040

Part #:501-D501040
$2,958.00 MSRP $ 2,515.02
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Armstrong 3AV 1in NPT 5/32in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D501676
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Armstrong 3AV 1in NPT 5/32in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D501676

Part #:501-D501676
$1,301.00 MSRP $ 1,094.85
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Armstrong 3AV 1in NPT 5/16in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D502001
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Armstrong 3AV 1in NPT 5/16in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D502001

Part #:501-D502001
$1,301.00 MSRP $ 1,107.24
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Armstrong 21312V 3/4in NPT 1/8in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D502306
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Armstrong 21312V 3/4in NPT 1/8in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D502306

Part #:501-D502306
$3,091.00 MSRP $ 2,615.72
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Armstrong 21312VAR 3/4in NPT 1/8in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D502728
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Armstrong 21312VAR 3/4in NPT 1/8in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D502728

Part #:501-D502728
$3,062.77 MSRP $ 2,600.65
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Armstrong 21312VAR 3/4in NPT 3/32in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D502790
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Armstrong 21312VAR 3/4in NPT 3/32in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D502790

Part #:501-D502790
$3,062.77 MSRP $ 2,600.65
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Armstrong 6AV 1-1/2in NPT 3/4in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503039
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Armstrong 6AV 1-1/2in NPT 3/4in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503039

Part #:501-D503039
$2,854.00 MSRP $ 2,409.75
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Armstrong 2AV 3/4in NPT 1/4in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503091
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Armstrong 2AV 3/4in NPT 1/4in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503091

Part #:501-D503091
$889.00 MSRP $ 741.31
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Armstrong 3AV 3/4in NPT 1/4in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503142
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Armstrong 3AV 3/4in NPT 1/4in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503142

Part #:501-D503142
$1,301.00 MSRP $ 1,107.24
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Armstrong 2AV 3/4in NPT 5/16in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503280
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Armstrong 2AV 3/4in NPT 5/16in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503280

Part #:501-D503280
$889.00 MSRP $ 741.31
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Armstrong 6AV 2in NPT 3/4in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503424
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Armstrong 6AV 2in NPT 3/4in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503424

Part #:501-D503424
$2,854.00 MSRP $ 2,409.75
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Armstrong 2AV 1/2in NPT 1/8in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503425
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Armstrong 2AV 1/2in NPT 1/8in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503425

Part #:501-D503425
$889.00 MSRP $ 756.61
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Armstrong 6AV 2in NPT 1-1/16in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503627
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Armstrong 6AV 2in NPT 1-1/16in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D503627

Part #:501-D503627
$2,854.00 MSRP $ 2,409.75
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Armstrong 2AV 1/2in NPT 5/64in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D504229
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Armstrong 2AV 1/2in NPT 5/64in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D504229

Part #:501-D504229
$889.00 MSRP $ 756.61
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Armstrong 2AV 3/4in NPT 5/64in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D504230
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Armstrong 2AV 3/4in NPT 5/64in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D504230

Part #:501-D504230
$889.00 MSRP $ 756.61
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Armstrong 6AV 2in NPT 1/2in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D504283
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Armstrong 6AV 2in NPT 1/2in Orifice Cast Iron Air Vent, Side Inlet - Top Outlet D504283

Part #:501-D504283
$2,854.00 MSRP $ 2,409.75
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Armstrong 21312V 3/4in NPT 5/32in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D504414
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Armstrong 21312V 3/4in NPT 5/32in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D504414

Part #:501-D504414
$3,091.00 MSRP $ 2,615.72
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Armstrong 33AV 1in NPT 1/8in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D504499
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Armstrong 33AV 1in NPT 1/8in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D504499

Part #:501-D504499
$4,515.00 MSRP $ 3,832.49
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Armstrong 21312V 3/4in NPT 1/16in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D504605
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Armstrong 21312V 3/4in NPT 1/16in Orifice Forged Steel Air Vent, Side Inlet - Top Outlet D504605

Part #:501-D504605
$3,091.00 MSRP $ 2,615.72
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Displaying: 1 - 24 of 110 Matching Items