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SENTAIGASSentai Gas
Rinnai RUCS65iN indoor condensing tankless water heater

Rinnai

Rinnai RUCS65IN SE Series 130 MBH Indoor Condensing Natural Gas Tankless Water Heater

4.9 out of 57 store reviews
$661.54

SKU WC-000121 · Taxes calculated at checkout

Rinnai SE Series RUCS65iN indoor condensing natural-gas tankless water heater, 130 MBH.

Quantity
Maximum 99

In stock, ready to ship

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Questions before you order? Call +1 (509) 938-2763

Shipping & Support

Everything you need before ordering

Shipping rate
Free on every order
Dispatch
1 business day (Mon–Fri)
Estimated delivery
1–4 business days
Shipping origin
United States

90-day returnsUnopened, factory-sealed items. No restocking fee. Returns need approval first.

After-sales supportLive chat around the clock · phone Mon–Fri, 9:00 AM – 6:00 PM ET · +1 (509) 938-2763

Accepted payments

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A compact, efficient condensing unit for homes of various sizes, modulating from 10,300 to 130,000 BTU and supplying 6 GPM at a 40°F rise.

It is rated at an energy factor of up to 0.93 and can vent through concentric or PVC systems.

Key benefits

  • 10,300–130,000 BTU
  • 6 GPM at 40°F rise
  • Energy factor up to 0.93
  • Concentric or PVC venting
  • Indoor, natural gas

FAQ

What does shipping cost and how long does it take?

Shipping is free on every order to United States. Orders are dispatched in 1 business day (Mon–Fri) and arrive 1–3 business days (Mon–Fri) after dispatch.

Can I return it?

Yes — within 90 days for unopened, factory-sealed cylinders, cans, water heaters, boilers, heaters and accessories, with no restocking fee. We cannot accept cylinders whose seal has been broken, partially used refrigerant, any cylinder that has been connected to a system, and any water heater, boiler or heater that has been installed or connected to gas, water or power.

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What people say about buying from us

Excellent

These cover the buying experience across our catalogue, not this product alone.

4.8 out of 5, based on 21 reviews

7 from Sentai Gas customers and 14 from customers of Freonwell, our partner store, reviewing the cylinders named on each card.

  • 5-star86%
  • 4-star10%
  • 3-star5%
  • 2-star0%
  • 1-star0%

Reviews are submitted by customers after a completed order and published as written. We do not edit or delete a review for being critical.

  • Photo 1 from Sean Kennedy's review

    Expectations

    Went above my expectations. Shipping was prompt I will purchase again. Thank you.

    Sean KennedyVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

  • Fast shipping and exactly what I ordered

    I ordered R-410A for an HVAC job and everything went smoothly. The cylinder arrived well packaged and sooner than I expected. The ordering process was straightforward and the product was exactly what I needed.

    Mike R.· Texas

  • Photo 1 from Roger Mannex - Kansas's review

    Skeptical at first…but, Pleasantly Surprised!

    Ordered from another company that was complete scam. Was skeptical, but ordered from Freonwell ; received confirmation in couple hours, FedEx tracking next day and product delivered within a week. They’re legit and I’m happy!

    Roger Mannex - KansasVerified buyer · Freonwell

    Reviewing 30 lb R22 Refrigerant Cylinder for HVAC & Refrigeration

  • Great option for HVAC supplies

    I needed R-134a quickly and found the pricing very competitive. The product information was clear, checkout was easy, and the cylinder arrived in good condition. Overall, a very smooth experience.

    Jason M.· Florida

  • Photo 1 from Young Khantharinh's review

    This is legit and real seller

    I was a little skeptical about this website at first but this is legit and very fast shipping. Will definitely purchase again from this website.

    Young KhantharinhVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

  • Good prices and a simple ordering process

    Sentai Gas made it easy to find the refrigerant I needed. The order went through without any issues and delivery was right on schedule. I'll definitely keep them in mind for future orders.

    Robert T.· Arizona

  • Photo 1 from Jon Hughes's review

    These guys totally Rock

    They can totally be trusted. This is not one of those fly-by-night stores. They might have some misspellings in their advertisements but that does not mean they're not honest. They just don't know how to spell. These guys are fantastic. I've been using them for years and they always have great product and great service.

    Jon HughesVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

  • Very satisfied with the service

    This was my first order and the experience was better than expected. The website was easy to navigate, the product was available, and everything arrived as described.

    Daniel C.· Georgia

  • Photo 1 from Robert Kennedy's review

    A fantastic way to get your personal Freon for your home AC

    Instead of paying 40 to $55 per pound for for your home air conditioning, keep your own on hand and they will use yours. A great way to save money especially with HOT summers and the need for a little Freon every year or two. A + A + A +

    Robert KennedyVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

  • Reliable supplier

    I was looking for a straightforward place to order refrigerant and found Sentai Gas. The ordering process was simple and my cylinder arrived safely and in good condition.

    Chris B.· Ohio

  • Photo 1 from Claude's review

    Reliable source

    Product advertised was accurate and delivered as expected. Will be doing business again with company.

    ClaudeVerified buyer · Freonwell

    Reviewing 30 lb R22 Refrigerant Cylinder for HVAC & Refrigeration

  • Good selection and quick dispatch

    I found the specific refrigerant I needed without having to search through several suppliers. The order was dispatched quickly and arrived without any damage. Very happy with the purchase.

    Kevin H.· California

  • Photo 1 from Tony's review

    R22

    They said it was $100. Lb. I got the whole tank $290. Great fast delivery.

    TonyVerified buyer · Freonwell

    Reviewing 30 lb R22 Refrigerant Cylinder for HVAC & Refrigeration

  • Exactly what I needed

    The product matched the description and arrived in good condition. The whole purchase was straightforward from checkout to delivery. I'll be ordering again when I need more refrigerant.

    Andrew P.· North Carolina

  • Photo 1 from Amgad Yaakoub's review

    Great prices

    Great service

    Amgad YaakoubVerified buyer · Freonwell

    Reviewing 24 lb R404A Refrigerant Cylinder for Commercial Refrigeration

  • Photo 1 from Joel Thayer's review

    Right Price right on time

    Joel ThayerVerified buyer · Freonwell

    Reviewing 30 lb R22 Refrigerant Cylinder for HVAC & Refrigeration

  • Photo 1 from Adam's review
    Photo 2 from Adam's review

    Showed up damaged

    This is likely less of FreonWell's fault and more on the carrier, but it probably could have been packaged better to prevent it also. The tank showed up quickly and full, but the handles were extremely bent. The box was clearly dropped at some point. Surprisingly it doesn't seem like the valve took any damage so it's still usable

    AdamVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

  • Photo 1 from Dwight Bailey's review

    Prompt delivery, priced right!

    Arrived on time, product as described. HVAC cleaned and maintained.

    Dwight BaileyVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

  • Photo 1 from Robert Wilkinson's review
    Photo 2 from Robert Wilkinson's review

    well almost..

    delivery was a few days late…not really their fault that fedex has gone to crap in my area…canister was dinged up a bit…dont know the offending party there 😁…..will probably use them again

    Robert WilkinsonVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

  • Photo 1 from Luis Sayeg's review

    Amazing Product

    Product as described, fast shipping with detailed tracking . Will buy from again .

    Luis SayegVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

  • Photo 1 from Justin's review

    Was worried at first but actually came through.

    Originally found it for $201. Extremely cheap and was worried it was a scam. Searched online and no reviews. But they did offer free 30 day free returns so I decided screw it. Luckily, it wasn’t a scam and refrigerant did show up at my front door :)

    JustinVerified buyer · Freonwell

    Reviewing 25 lb R410A Refrigerant Cylinder for HVAC & Heat Pumps

Reviews are published as written. If something went wrong with your order, email contact@sentaigas.com and we will put it right — see our returns policy.