Product images: Amazon listings

Ranein 130,000 BTU Propane Outdoor Review

Name: Ranein 130,000 BTU Propane Outdoor
Brand: Ranein
SKU: B0GJFFMY5R

7.5Very good · out of 10#2 of 5 in our Outdoor Propane Tankless Water Heaters ranking

Written from the listing and 710 buyer reviews, not from our own use · How we rate

The Ranein 130,000 BTU Propane Outdoor ticks most of the boxes we care about: a 5.3 GPM maximum flow and outdoor mounting that skips the flue. It earned a spot in our top 5 outdoor propane tankless water heaters, and it's built for an outside wall instead of a flue through the roof.

Variants of this model

These 710 buyer reviews (4.2/5) are shared by the 190,000 BTU Natural Gas Indoor and 130,000 BTU Propane Outdoor listings, so they speak for the family more than for one size.

Ranein 190,000 BTU Natural Gas Indoor · 8.5GPM NG · 7.9/10
Ranein 80,000 BTU Propane Indoor · 3.6GPM LPG · 7.1/10
Ranein 100,000 BTU Propane Indoor · 4.3GPM LPG · 7.1/10
Ranein 190,000 BTU Natural Gas Outdoor · 8.5GPM NG Outdoor · 6.9/10
Ranein 190,000 BTU Propane Indoor · 8.5GPM LPG · 6.9/10

Price$579Price on Sep 30, 2026 · may have changed

Check the price on Amazon ↗Affiliate link · price and stock on Amazon

Compare side by side ↗

Specifications

Brand	Ranein
Category	Gas tankless water heaters
Fuel	Propane
Stated mounting location	Outdoor
Stated maximum flow	5.3 GPM
Stated gas input	130,000 BTU/h
Freeze protection	Stated in the listing
Buyer reviews	710 · 4.2/5, shared by the Ranein listing family (2 variants)
ASIN	B0GJFFMY5R

Full listing title: Ranein Propane Gas Tankless Water Heater, 5.3 GPM, 130,000 BTU, Outdoor

Listing evidence

Fuel	Propane Full listing title
Stated mounting location	Outdoor Full listing title
Stated maximum flow	5.3 GPM Full listing title
Stated gas input	130,000 BTU Full listing title

Updated October 2026

Exact listing, ASIN B0GJFFMY5R

Rating from a published formula

Compared with its closest rivals

The two picks next to it in our outdoor propane tankless water heaters ranking, with their rating and a dated price.

Compare side by side ↗

Ranein 130,000 BTU Propane Outdoor

7.5Very good · out of 10$579 Price on Sep 30, 2026 · may have changed

Stated: 5.3 GPM · 130,000 BTU/h
710 buyer reviews
Gas tankless water heaters

This product ↑

FOGATTI Outdoor Propane Tankless

9.1Excellent · out of 10$529.99 Price on Sep 30, 2026 · may have changed

Stated: 120,000 BTU/h · 120 V
166 buyer reviews
Gas tankless water heaters

See the review ↗

APUS 190,000 BTU Propane Outdoor

6.9Good · out of 10$629.99 Price on Sep 30, 2026 · may have changed

Stated: 8.1 GPM · 190,000 BTU/h · 120 V
102 buyer reviews
Gas tankless water heaters

See the review ↗

Up to 5.3 GPM from a 130,000 BTU burner

That's the maximum flow the listing states, and headline flows are usually quoted at a mild temperature rise. With January water coming in at 42 °F and a 105 °F shower, the rise is 63 °F and the real flow is lower; the maker's flow chart has that number. Our calculator counts a shower at 2 GPM, so on paper that's one shower and a sink at a time, maybe two showers where the water comes in warm.

Why it made our list

What changes in the morning shower rush

Mounts outside. No vent pipe through the roof or the rim joist: it hangs on an outside wall and breathes on its own. The listing states freeze protection, which typically needs power at the wall to work.

Mild winters or hard freezes?

Mild winters: hang it outside and you skip the vent run through the rim joist and the combustion-air questions indoors.

Hard freezes: freeze protection is stated, and it runs on electricity. A long outage in January is when you drain it, before the heat exchanger splits.

Great for you if…

There is no good vent route inside your house
You trust a long track record: 710 buyer reviews

Skip it if…

You want a tight temperature hold: the listing claims no ±1 °F control
Your winters freeze hard and the outside wall has no power for freeze protection
You simply want our top pick: that's the FOGATTI Outdoor Propane Tankless (9.1/10)

What Ranein promises

The seller states, word for word, in the Ranein 130,000 BTU Propane Outdoor listing:

Uses standard 3/4" NPT water inlet fittings and 3/4" NPT gas inlets for quick installation.
It is suitable for 3-5 outlet points.

That's the seller talking, not us. No listing tells you how it copes with 42 °F water at 6:45 in the morning.

Ranein 130,000 BTU Propane Outdoor, view 3

Gas, mounting and what's in the box

What the Ranein 130,000 BTU Propane Outdoor listing names:

Up to 5.3 GPM
130,000 BTU/h input
Propane
Outdoor mounting
Freeze protection named

The installation manual has the last word on venting, gas line and clearances; your installer reads it before you order.

Ranein 130,000 BTU Propane Outdoor, view 4

Price and cost per GPM of stated flow

$579 Price on Sep 30, 2026 · may have changed

At the price on Sep 30, 2026, each GPM of stated maximum flow works out at about $109.25 (price ÷ stated GPM, our arithmetic). That puts it around the middle of the 32 outdoor tankless heaters we have a price and a stated flow for.

Outside mounting saves the vent pipe; the gas line, the water lines and a weatherproof outlet are still a separate bill.

The button opens the exact listing (ASIN B0GJFFMY5R), where today's price, stock and seller apply. Sizes and variants of the same family often sit at different prices.

Ranein 130,000 BTU Propane Outdoor, view 5

A better fit for your house?

Two showers and the dishwasher at once? The A. O. Smith 10 GPM Natural Gas Outdoor (8.0/10) states up to 10 GPM.

Hard freezes where you live? The ThermoMate CZ422LP Propane Indoor (7.8/10) is an indoor unit, out of the frost.

Want the high-efficiency kind? The ThermoMate Condensing Propane (7.6/10) is a condensing unit rated 0.86 UEF, per its listing.

Our take

The verdict

Our favourite thing about the Ranein 130,000 BTU Propane Outdoor is a 5.3 GPM maximum flow, closely followed by outdoor mounting that skips the flue. 710 buyers give it 4.2/5, good but not spotless. The catch with this Ranein outdoor tankless heater: no stated temperature hold, while most picks here claim ±1 °F. We'd pick it if there is no good vent route inside your house; otherwise, put it next to the FOGATTI Outdoor Propane Tankless first.

Check the price on Amazon ↗Affiliate link · price and stock on AmazonSee the outdoor propane tankless water heaters ranking →

Living with it

Install day

It goes on an outside wall, with gas, water and power run to it. Plan the gas line for 130,000 BTU/h; a licensed pro handles it, and often a permit.

The first shower

Hot water arrives after the cold already in the pipes, then stays. A trickle from a bathroom tap may not light the burner; open it a bit more.

The first winter

January water comes in colder, so the same unit gives fewer GPM. Stagger the showers if you sized it tight.

Once a year

Flush the heat exchanger with a pump and a descaler (the service valves make it an hour's job), and clear leaves and wasp nests from the cabinet vents. Our flushing and descaling guide has the checklist.

What buyers say

Buyers give it 4.2/5, a solid record, slightly below this ranking's 4.3 average. And with 710 reviews behind it, that number is hard to argue with. The same reviews appear on both variants of the Ranein family, so they describe the family rather than this exact variant.

The numbers

Buyer rating: 4.2/5
Reviews: 710
This ranking's average: 4.3/5

The one thing we'd check first

Before you order the Ranein 130,000 BTU Propane Outdoor, check your gas line: 130,000 BTU/h is a lot of gas at once, so ask your plumber whether the existing line can feed it.

Before you buy

Your winter flow

5.3 GPM is the headline. In a northern January the water comes in near 42 °F, so a 105 °F shower needs a 63 °F rise and the real flow drops. Our flow-rate calculator runs the numbers for your house.

The outside wall

Pick a wall away from windows and doors, with power for the controls and the freeze protection the listing mentions. Our indoor vs outdoor guide compares the two installs.

The warranty terms

Read what it requires: a licensed install, the gas type and regular flushing are the usual conditions.

Flushing

Hard water scales the heat exchanger. Service valves on the water lines turn the yearly flush into an hour with a bucket and a pump; our flushing and descaling guide shows the routine.

How it compares

How the Ranein 130,000 BTU Propane Outdoor stacks up against the closest alternative in our ranking, the FOGATTI Outdoor Propane Tankless.

Criterion	Ranein 130,000 BTU Propane Outdoor	FOGATTI Outdoor Propane Tankless
Our rating	7.5/10	9.1/10
Max flow	5.3 GPM	Not stated
Gas input	130,000 BTU/h	120,000 BTU/h
Temperature hold	Not stated	±1 °F stated
Buyer reviews	710 · 4.2/5	166 · 4.0/5

Pick the FOGATTI Outdoor Propane Tankless if you want our higher-rated option (9.1/10), with a stated ±1 °F hold; stay with the Ranein 130,000 BTU Propane Outdoor for more flow (5.3 GPM) and a bigger burner (130,000 BTU/h).

Compare side by side ↗See the FOGATTI Outdoor Propane Tankless review →

The score in detail

How we rated it

Our score: 7.5/10

Buyer rating (45%)

37.8 / 45

4.2/5 average

Review volume (35%)

27.0 / 35

710 buyer reviews, shared by 2 variants

Documented specifications (20%)

10.2 / 20

51/100 listing documentation score

Our rating is an evidence index on a 0–10 scale. It is not a buyer star rating, and we have not used the product ourselves.

Buyer rating (45%): the captured average of the review pool shown on both variants of the Ranein listing family, damped when there are fewer than 50 reviews.
Review volume (35%): more reviews mean more reliable evidence, on a logarithmic scale up to 5,000 reviews.
Documented specifications (20%): how completely the exact listing documents the attributes that matter.

Our editors then look at how it compares with the other heaters we rate. A commission is never an input to the rating. Read the full methodology.

Read the methodology →

Frequently asked questions

Is the Ranein 130,000 BTU Propane Outdoor any good?

We rate it 7.5/10 (very good), #2 of 5 in our outdoor propane tankless water heater ranking. It is based on 710 buyer reviews averaging 4.2/5, shared by the Ranein listing family (2 variants) and the specifications stated in the listing.

How much hot water can the Ranein 130,000 BTU Propane Outdoor deliver?

The listing states a maximum flow of 5.3 GPM and a gas input of 130,000 BTU/h. The headline flow is a mild-weather number: with cold winter water coming in, the same unit gives you less. Read the maker's flow chart at your winter rise, or let our flow-rate calculator do the sums.

Can the Ranein 130,000 BTU Propane Outdoor be installed indoors?

The listing says outdoor mounting. It only goes inside if the maker lists that exact model for indoor use, with the venting it specifies; a licensed gas installer confirms the spot under your local code.

Are the reviews specific to the Ranein 130,000 BTU Propane Outdoor?

No. The same review pool appears on every variant of the Ranein listing family: 710 reviews averaging 4.2/5 on the Ranein 190,000 BTU Natural Gas Indoor and Ranein 130,000 BTU Propane Outdoor. The count therefore describes the family, not this exact variant, and in our rankings the family takes a single slot.

What do you get with the Ranein 130,000 BTU Propane Outdoor?

Its listing states up to 5.3 GPM and outdoor mounting that skips the flue. These are the seller's figures, not our measurements: how steady the temperature is in your shower and how it copes with your winter water can't be read from a listing.

What should I check before ordering the Ranein 130,000 BTU Propane Outdoor?

Your winter flow: 5.3 GPM is the headline. In a northern January the water comes in near 42 °F, so a 105 °F shower needs a 63 °F rise and the real flow drops. Our flow-rate calculator runs the numbers for your house. The outside wall: pick a wall away from windows and doors, with power for the controls and the freeze protection the listing mentions. Our indoor vs outdoor guide compares the two installs. The warranty terms: read what it requires: a licensed install, the gas type and regular flushing are the usual conditions. Flushing: hard water scales the heat exchanger. Service valves on the water lines turn the yearly flush into an hour with a bucket and a pump; our flushing and descaling guide shows the routine.

Where can I buy the Ranein 130,000 BTU Propane Outdoor?

We link to the exact listing on Amazon, where today's price, stock and seller apply. It is an affiliate link, and it has no effect on the rating.

Have you used the Ranein 130,000 BTU Propane Outdoor yourselves?

No, we haven't used it ourselves. Everything on this page comes from its listing and 710 buyer reviews, read line by line and weighed with our published formula.

Keep comparing

If the Ranein 130,000 BTU Propane Outdoor hasn't sold you yet, see where it ranks, read the guides that feature it or browse all gas tankless water heaters.

Where it ranks

Best Outdoor Propane Tankless Water Heaters in 2026 →

Read this before you buy

Indoor vs outdoor tankless water heater: which one fits your house? →

Gas tankless water heaters ↗All Ranein products Comparison tool All product reviews