
4M4ST3 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $69.43 | Top Pick! Condition is New, Metal-Fab 4" X 4" X 3" Double Wall Type B Gas Vent Tee, Aluminum/Steel, FREE SHIPPING | ![]() |
![]() | $90.65 | Condition is New, Metal-Fab 4X4X3 Swivel Tee 4M4ST3 B-Vent Fitting 360 LP Gas HVAC Pipe Adapter, shipping cost = $16.45 | 97.7% |

Introducing the Metal-Fab 4M4ST3 Swivel Tee B-Vent Fitting, a versatile and essential component for your LP gas HVAC (Heating, Ventilation, and Air Conditioning) piping system. This swivel tee fitting is specifically designed for use with 4-inch OD (Outside Diameter) gas piping and features a 360-degree swivel capability, ensuring optimal flexibility in installation and system configuration.
Constructed from premium brass material with a durable nickel-plated finish, this fitting is built to last and withstand the demands of high-performance LP gas HVAC applications. The swivel design allows for seamless connections and easy adjustments, making it an excellent choice for systems with changing piping configurations or where space is limited.
The Metal-Fab 4M4ST3 Swivel Tee B-Vent Fitting is designed to accommodate 4x4x3 B-vent pipe connections, making it ideal for use with venting systems that require a 4-inch inlet and 4-inch outlet. The fitting's angled design helps to optimize venting flow and ensure efficient system performance.
This product is easy to install and requires no additional tools for assembly. Simply connect the piping to the fitting's inlet and outlet ports, securely tighten the clamps, and enjoy the peace of mind that comes with a reliable and durable LP gas HVAC piping system.
The Metal-Fab 4M4ST3 Swivel Tee B-Vent Fitting is a must-have component for any LP gas HVAC installation or repair project. Its robust design, versatile swivel capability, and ease of installation make it a top choice for professionals and DIY enthusiasts alike. Invest in this high-quality fitting and ensure the optimal performance and safety of your LP gas HVAC system.
Pros and Cons of Buying a Metal-Fab 4M4ST3 4x4x3 Swivel Tee B-Vent Fitting for 360 LP Gas HVAC Pipe Adapter
The Metal-Fab 4M4ST3 4x4x3 Swivel Tee B-Vent Fitting is a crucial component in LP gas HVAC systems for connecting and swiveling vent pipes. In this discussion, we will explore the advantages and disadvantages of purchasing this specific part.
Pros:1. Durability: The Metal-Fab 4M4ST3 Swivel Tee is made of metal, ensuring strength and longevity compared to plastic alternatives.
2. Swivel Functionality: The swivel design allows for flexibility in pipe placement, which can save space and improve installation efficiency.
3. Compatibility: This part is designed specifically for LP gas HVAC systems, ensuring a proper fit and function.
4. Quality: Metal-Fab is a well-known and reputable brand with a strong focus on manufacturing high-quality HVAC parts.
5. Leak-Free: The tight seal design of this swivel tee helps prevent gas leaks, enhancing safety and efficiency.
Cons:1. Cost: Metal parts typically cost more than their plastic counterparts, making this swivel tee a more expensive option.
2. Weight: Due to its metal construction, this part is heavier than plastic alternatives, potentially impacting transportation and installation costs.
3. Complex Installation: Depending on the specific HVAC system, the installation of this swivel tee may require additional tools and expertise.
In conclusion, the Metal-Fab 4M4ST3 4x4x3 Swivel Tee B-Vent Fitting for 360 LP Gas HVAC Pipe Adapter offers advantages such as durability, swivel functionality, compatibility, quality, and leak-free operation. However, it also has disadvantages like cost, weight, and potentially complex installation.
Recommendation: If you are looking for a robust, long-lasting, and leak-free solution for your LP gas HVAC system's vent pipe connections, the Metal-Fab 4M4ST3 Swivel Tee is an excellent choice. Considering its benefits, the additional cost and weight may be justified for the enhanced functionality and peace of mind it provides.
Details:
Manufactured from galvanized steel, this part is both durable and compliant with standard gas venting codes. The metal-fab 4M4ST3 swivel tee is a round b-vent directional fitting that allows flexible routing of vent systems for gas appliances such as propane water heaters, furnaces, and boilers. Rotating collar allows for precise alignment. Galvanized steel construction ensures corrosion resistance.
For use with lp gas and natural venting systems. Ideal for horizontal appliance take-offs in vent systems. Designed for double-wall b-vent systems, it provides a safe connection where 90 branch is required off vertical main line. Metal-fab 4x4x3 swivel tee mfg# 4M4ST3 for lp natural gas b-vent systems.
This 4 x4 x3 tee features a 360 rotating collar on the male end, ensuring smooth, accurate alignment during installation.
specifications maxohvac:
- brand: Metal-fab
- mpn: 4m4st3
- type: Swivel Tee
- unit type: Unit
- country/region of manufacture: United States
offer maxohvac:
- in stock #: 2
- prices: $69.43–$90.65
- item condition: New
- best offers: true
- availability: in stock
- sold #: 18
- started: april 17, 2025
- options: ship-to-home
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- method: money back
- time: 14 days
- paid by: buyer
- policy: returns accepted
payments maxohvac:
- other
- wallet: apple-pay
- credit card: discover
shipping maxohvac:
- carrier: ups, fedex
- class: economy, standard
- service: ups ground saver, fedex ground economy, ups ground
- type: calculated
- transit: 7-13 days
seller maxohvac:
- # reviews: 920
- rating: 95.0%
- city: brandon, mississippi
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