Description
Product Overview
The Selkirk Gas Vent Type B 4-inch cap is engineered for gravity draft venting of natural gas or LP burning appliances, excluding wall furnaces or wood-burning applications. Constructed with an inner wall of aluminum and an outer wall of galvanized steel, this cap features a powder-coated finish in a brick-red color, providing a nonflammable, fireproof acoustic seal. It supports up to 100 million BTU per hour, measures 4 inches in diameter, and weighs only 4 ounces, making it lightweight yet durable. Designed for fixed installation, it meets UL 441, NFPA 54, and NFPA 211 specifications, ensuring safety and reliability in residential settings.

Usage
This gas vent cap is ideal for indoor environments, particularly bathrooms, where efficient air circulation is needed for gas appliances like water heaters or furnaces. It is not suitable for wall furnaces or wood-burning systems, making it perfect for homeowners and contractors seeking a compliant solution for venting LP or natural gas. The adjustable height and modern style allow for seamless integration into various architectural designs, providing consistent performance in residential and light commercial applications.
Why Choose Us
Selkirk stands out with its commitment to quality and safety, offering a vent cap that combines effective durability with low maintenance requirements. The product’s galvanized and powder-coated finish resists corrosion, while the adherence to strict standards like UL 441 ensures long-term reliability. Manufactured in Mexico by Jensen Home Improvement, it provides a cost-effective solution without compromising on performance, backed by a design that minimizes noise at just 42 decibels for quieter operation.
Key Features
- Galvanized steel construction with powder-coated finish for enhanced durability and corrosion resistance.
- Supports gravity draft venting of natural gas or LP appliances, handling up to 100 million BTU per hour.
- Low noise level of 42 decibels ensures quiet operation in indoor settings like bathrooms.
- Meets UL 441, NFPA 54, and NFPA 211 standards for safety and compliance in residential use.
- Adjustable height and modern design allow for easy installation and aesthetic integration.
FAQ
What appliances is this vent cap compatible with?
It is designed for gravity draft venting of natural gas or LP burning appliances, such as water heaters, but should not be used with wall furnaces or wood-burning applications.
Can this vent cap be used outdoors?
No, it is intended for indoor usage only, as specified in the product details for safe and effective operation.
What are the installation requirements?
It requires fixed installation and should be set up by a professional to ensure proper alignment and adherence to safety standards like NFPA 54.
How noisy is the vent cap during operation?
The noise level is 42 decibels, which is relatively quiet, making it suitable for residential areas like bathrooms without causing disturbance.
Is the finish durable against weather elements?
The powder-coated and galvanized finish provides resistance to corrosion, but since it is for indoor use, it is not rated for prolonged exposure to harsh outdoor conditions.




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