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SWRED43 Galvanized 4''x3'' Single Wall Reducer/Increaser

SKU: 5665
Save 35% · Retail: $6.15

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Nevada Warehouse
Ships in 3-4 Days
$4.02/ea 10
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Available to Ship in 2-3 weeks

About the Southwark

SWRED43 Galvanized 4''x3'' Single Wall Reducer/Increaser. This Particular HVAC (Heating, Ventilation and AC) product is designed for light commercial and residential applications. This Increaser/Reducer is designed to withstand the rugged demands of continuous gas ventilation and to increase safety, ventilation and appliance efficiency. This SWRED43 4"x3" Single-Wall Aluminum Increaser is designed and built to exhaust air from gas fireplaces, gas-fired furnaces, boilers, gas water heaters, and wall heater applications. This SWRED43 4"x3" Single-Wall Aluminum Increaser is designed to connect two pipe lengths of different sizes. Generally as systems are ran throughout the building or home, the system reduces in size to increase air pressure. This Increaser/Reducer, like other duct-work products, features slip-fit connections, durable sheet metal body, and easy size identification. This Increaser/Reducer comes in a convenient size that assembles and installs with ease. Generally these galvanized and aluminum HVAC Products are designed to last for 25 + years.

Product Details

Product: Couplings and Adapters
Material: Sheet Metal
Use: Ducting and Venting
Type: Reducers and Increasers
Style: Single Wall
Reducing: Reducing

Product Features

  • SWRED43 Galvanized 4''x3'' Single Wall Reducer/Increaser
  • Corrosion Resistant
  • Ideal for Residential Applications
  • Reduced size allows air to flow easily
  • Crimped in the direction of airflow
  • Vent multiple appliances together
  • Crimped female by male connections


4.5 out of 5 rating is our rating for, we got that rating because we have lots of experience and great people with expertise in plumbing. BUT WE WANT YOUR HELP. This product doesn't have any reviews yet, and we don't want to write our own reviews. It is more valuable to us that the customers get to share their experience with our products. Please, if you have any experience with this product, take a moment to share and help someone else who is trying to make a decision. Thank you!

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