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Is it compatible with type B appliances?How do I install this firestop?What is the warranty period?Will this resist corrosion?Can I use this in multi-story buildings?

American Metal Products 4-in -Dia Stainless steel B vent firestop Gas Water Heater 6 -Pack

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Shipping Details

Selkirk oval type B gas vent pipe and fittings for residential, commercial and industrial applications.

The firestop spacers center vent is 16 In ox stud space and serves as a firestop at the ceiling level
This is a required component for type B 2 x 4 and multi-story type BW installations
Venting for type BW gas appliance installations
Lifetime limited warranty
Tested and listed per UL 441 for installation in single- and multi-story buildings
Inner liner is aluminum
Check appliance installation instructions for details
Industry best warranty contact Selkirk for details

General
Color/Finish Family	Stainless steel	Material	Stainless steel
Type	B vent firestop	Package Quantity	6

Dimensions
Diameter Measurement	4-in	Height (Inches)	3

Features
Corrosion Resistant	Yes	Voice Controlled	No
Hub Required	No

Compatibility
App Compatibility	No	Works with Apple HomeKit	No
Bluetooth Compatibility	No	Works with iOS	No
Wi-Fi Compatibility	No	Works with SmartThings	No
Works with Amazon Alexa	No	Works with the Google Assistant	No
Works with Android	No	For Use With	Gas water heater

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	Limited lifetime

Miscellaneous
UNSPSC	40101800

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Review

5 out of 5

2 Reviews

4 Star

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100% Recommend this product

Ratings may include incentivized customer reviews.

2 Customer Reviews

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The price was affordable

Would Recommend

Durable and fits great

Oxnard residentMay 2, 2026
Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item American Metal Products4-in -Dia Stainless steel B vent firestop Gas Water Heater 6 -Pack
		Ratings	2
		Type	B vent firestop
		Material	Stainless steel
		Corrosion Resistant
Selkirk3-in -Dia Stainless steel B vent firestop Gas Water Heater	Selkirk4-in -Dia Steel B vent firestop Gas Water Heater	American Metal Products4-in -Dia Steel Installation kit Gas Water Heater	SelkirkVent Pipe 3-in -Dia Stainless steel B vent cap Gas Water Heater	SelkirkVent Pipe 4-in -Dia Stainless steel B vent pipe extension Gas Water Heater	SelkirkVent Pipe 3-in -Dia Stainless steel B vent connector Gas Water Heater	SelkirkVent Pipe 3-in -Dia Stainless steel B vent connector Gas Water Heater	SelkirkVent Pipe 3-in -Dia Stainless steel B vent nipple Gas Water Heater	SelkirkVent Pipe 4-in -Dia Stainless steel B vent nipple Gas Water Heater
19	15	1	56	18	12	12	142	19
B vent firestop	B vent firestop	Installation kit	B vent cap	B vent pipe extension	B vent connector	B vent connector	B vent nipple	B vent nipple
Stainless steel	Steel	Steel	Stainless steel	Stainless steel	Stainless steel	Stainless steel	Stainless steel	Stainless steel

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