
Sentai Gas
25LB R449A (R-449A) Refrigerant Gas | 5 Cylinders
$375.00 each · $15.00 / lb
SKU 5pcs R449 · Taxes calculated at checkout
Five 25 lb cylinders of R-449A — 125 lb in total — the lower-GWP HFC/HFO blend used in place of R-404A and R-507 on commercial refrigeration plant.
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Questions before you order? Call +1 (509) 938-2763
- Free shipping — United States
- 90-day returns on unopened, factory-sealed cylinders, cans and accessories
- 30-day defect & leak replacement
Processing & shipping
Orders leave the warehouse in 1 business day (Mon–Fri), and transit is 1–3 business days (Mon–Fri) once the carrier has the cylinder.
Shipping is free on every order, to United States only — we do not ship internationally. One delivery address per order; place a second order for a second site.
In stock: R-1234yf, R-134a, R-22, R-404A, R-410A, R-449A, R-32, R-407A and R-407C — ready to ship.
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Payment is processed by Stripe. Card details are entered on Stripe’s own checkout and never reach this site. The methods offered are confirmed at checkout.
- Delivery
- Ships in 1 business day (Mon–Fri), arrives in 1–3 business days (Mon–Fri). Free on every order, no minimum. United States only — cylinders cannot go to a PO box or a parcel locker.
- Returns
- 90 days from delivery on unopened, factory-sealed cylinders, cans and accessories. No restocking fee. Refunds within 7 business days of inspection. Opened or partially used refrigerant cannot be returned.
- Warranty
- 30-day defect & leak replacement — a leaking or damaged valve, a cylinder that will not hold pressure, or the wrong refrigerant or fill weight. Inspect within 72 hours of delivery.
Product details
R-449A is a zeotropic blend of HFCs with an HFO component, R-1234yf, which is what pulls its GWP down against R-404A. It arrived as a retrofit and service gas for R-404A and R-507 plant in commercial refrigeration, and newer kit is built around it from the factory. Medium- and low-temperature duty both sit in its range. Whether a given machine takes it, and on what oil, is a question for the OEM's retrofit guidance rather than an assumption.
The safety group it sits in means lower toxicity and no flame propagation in the standard test — lower toxicity, which is not the same as non-toxic. Vapour is heavier than air and will push oxygen out of a pit, a plant room or a walk-in. Across a flame or a glowing surface it decomposes into irritant, corrosive products. Ventilate the space, keep a leak away from ignition sources and wear eye protection when you break into a liquid line.
Charge liquid, every time. Pull from the liquid port and meter into the low side through a restrictor, or weigh into the high side with the system off. Vapour draw-off fractionates a blend this wide and what comes out next is no longer R-449A. Topping up follows the same rule. Glide is real, so work superheat and subcooling off dew and bubble points rather than a single saturation value, and expect to retune the expansion valve.
Highlights
- Five 25 lb cylinders of R-449A — 125 lb all in
- Retrofit and service gas for R-404A and R-507 commercial refrigeration plant
- Zeotropic HFC/HFO blend — set superheat and subcooling off dew and bubble points
- Liquid charging only — vapour draw-off shifts what is left in the cylinder
- Lower toxicity rather than non-toxic — ventilate and store upright with valve caps fitted
At a glance
| Refrigerant | R-449A |
|---|---|
| Cylinder size | 25 lb |
| Units per order | 5 |
| Total refrigerant | 125 lb |
| Brand | Sentai Gas |
| Part number (MPN) | 5pcs R449 |
Buying more than one
This cylinder is stocked in 6 pack sizes. Each is its own listing — the price per cylinder is shown so you can see where the break actually falls.
| Pack | Total | Per cylinder | Per lb | |
|---|---|---|---|---|
| 1 cylinder | $380.00 | $380.00 | $15.20 / lb | View |
| 5 cylindersViewing | $1,875.00 | $375.00 each lower rate | $15.00 / lb | this page |
| 10 cylinders | $3,700.00 | $370.00 each lower rate | $14.80 / lb | View |
| 20 cylinders | $7,200.00 | $360.00 each lower rate | $14.40 / lb | View |
| 30 cylinders | $10,500.00 | $350.00 each lower rate | $14.00 / lb | View |
| 40 cylinders | $13,600.00 | $340.00 each lower rate | $13.60 / lb | View |
Multi-cylinder packs move as palletised freight and need a delivery appointment and a way to unload. Confirm you have both before ordering at these quantities.
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