Uncategorized · Duct Transitions
Gray Metal South 14X14-3900 Return Air Box R8 3900
GRAY METAL SOUTH · sold by Voomi Supply · $52.45 · in stock
Product Description The GRAY METAL SOUTH 14X14-3900 is a 14 x 14 inch return air box built to the 3900 series standard, featuring an N/F configuration and an R8 insulation rating. This sheet metal return air box is designed to connect return air ductwork to a residential or light-commercial air handler or furnace, channeling conditioned-space air back to the system for recirculation. The R8 insulation rating reduces thermal loss and helps limit condensation on the exterior of the box in humid conditions. Licensed HVAC technicians and sheet metal contractors install this component during new…
| Option | Price | Stock | |
|---|---|---|---|
| Default Title | $52.45 | in stock | Order via Kaupia → · Buy at Voomi Supply |
Prices and stock from voomisupply.com’s public catalog, last checked 2026-11-01 19:33 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) and places the order through Kaupia with a delivery guarantee; “Buy at the store” goes to the store’s own checkout. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:a8feffc8-b26d-4088-8306-32b11d5fedfc; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.