NECS 2024-2025 Product Catalog

Section 16: Venting Systems - B-vent, Galv, L-Vent, Pellet-Vent

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ITEM STOCKED IN VIRGINIA ONLY

B-VENT GAS VENT PIPE & FITTINGS B-Vent is for Category 1 Gas Appliances. It is UL Listed to mix & match many other brands of B-Vent. OD is 5/8” Larger than ID dimension. Galvanized Outer with Aluminum inner wall. Larger sizes available as a special order. By: Metal-Fab PIPE SECTION LENGTHS 4” 5” 6” 6” LENGTH MF4M6 MF5M6 MF6M6 $12.85 $15.15 $15.52 12” LENGTH MF4M12 MF5M12 MF6M12 $14.32 $17.07 $18.68 18” LENGTH MF4M18 MF5M18 MF6M18 $16.98 $20.26 $23.65 24” LENGTH MF4M24 MF5M24 MF6M24 $22.10 $26.20 $31.03 36” LENGTH MF4M36 MF5M36 MF6M36 $29.24 $34.50 $39.83 48” LENGTH MF4M48 MF5M48 MF6M48 $38.15 $44.82 $52.13 60” LENGTH MF4M60 MF5M60 MF6M60 $45.30 $53.79 $62.06 12” ADJUSTABLE MF4M12A MF5M12A MF6M12A $16.99 $20.31 $22.20 18” ADJUSTABLE MF4M18A MF5M18A MF6M18A $21.49 $24.20 $28.87

WALL BAND

FIRESTOP

SUPPORT PLATE

INCREASERS

4”

5”

6”

WALL BAND

MF4MH $13.59

MF5MH MF6MH

Interior

$14.27

$14.89

4” 6” MF4MCUHP MF5MCUHP MF6MCUHP $20.22 $27.21 $34.62 5” 4” 6” MF4MSP MF5MSP MF6MSP $26.29 $27.96 $28.19 4” 6” MF4MFS MF5MFS MF6MFS $17.05 $17.91 $19.35 5” 5”

FIRESTOPS

SUPPORT PLATE

UNIVERSAL B-VENT CAP

4”

5”

6”

TEES

MF4M4ST4 MF5M5ST5 MF6M6ST6 $48.50 $56.89 $65.24

SWIVEL TEE

5x5x4 = MF5M5SY4

6x6x4 = MF6M6SY4

SWIVEL WYE TEE

$64.75

$69.18

MF4MTC MF5MTC MF6MTC $2.88 $3.60 $3.71

TEE CAP

4” - 5” 4” - 6” 4” - 7” 5” - 6” 5” - 7” 6” - 7”

INCREASERS Do not reduce Gas

MF4MIN5

MF4MIN6 MF4MIN7 MF5MIN6 MF5MIN7 MF6MIN7

$27.56

$29.22

$32.64

$29.24

$26.08

$26.08

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Submit your orders to: order@nesbestflex.com or (888) 900-8106

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