Can you use this with a bucket of water? Or does it have to hook up to a faucet?

No the water needs pressure behind it to work. So no to a bucket.

Is the shower head removable so the heater can be hooked up to an off grid water supply and pumped into a kitchen and bsthroom shower?

Yes (used this as 1 month temp while waiting on new gas line install) but be prepared for the 1/2" outlet, flow (also effective pressure) will be drastically reduced going into the 3/4" pipe. Besides dealing with a lower flow, The first bathroom (10 feet away) worked preaty darn well! About 104 degrees. The kitchen (20 feet away) was adequate at about 99 degrees, the final bathroom (35 feet away) was a dismal disappointment at 92 degrees. In winter subtract 5 degrees across the board. This is set for max temp and max flow valves. Running 2 in parallel would be required for normal houshold pressure. Local individual inline units are better if there is distance involved.

Does it use 1.5v d batteries? or does it need to be higher voltage because it is not turning on

Make sure your batteries are seated in the correct order. Make sure that the power switch on the bottom of the unit in in the on position. Unfortunately, when I did that it still didn't work until I opened up and found it was improperly wired. Hopefully you don't get that far down the check list. I would be more concerned about the seller. The unit works fine now. The seller, not so much. I would buy elsewhere. They offered me a refund, only if I removed the negative rating the product deserved it the state in which it was originally purchased. Good luck.

New batterie and no hot water, no display showing?

Probably broken wire someplace. Power is not getting through.

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Portable Water Heater Propane Tankless - 6L 1.58GPM RV on demand Hot Gas Outdoor Digital Display Water Heater for Camping,Boat,Cabins

Product ID: 456556688

Details

Brand
RUINOPAR
Capacity
6 liters
Power Source
gas_powered
Product Dimensions
10.2"W x

💧1.58 GPM instant hot water flow

🔥42,000 BTU max power output

🛡️6+ advanced safety protections

¥61502

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Description

🔥 Hot water freedom anywhere, anytime — your adventure’s best companion!

NEXT LEVEL SAFETY - CSA approved with 6+ safety features including overheat, flameout & antifreeze protection.
DIGITAL TEMP CONTROL - Precise temperature adjustment with a clear digital display for perfect comfort.
ENERGY SMART IGNITION - Auto ignition & flameout saves 11.5% energy while ensuring safe operation.
COMPACT ULTRA PORTABLE - Lightweight 4.99 kg design with easy carry handle for camping, boating, or cabins.
INSTANT ON DEMAND HOT WATER - No waiting, get endless hot water at 1.58 GPM wherever you go.

The RUINOPAR Portable Propane Tankless Water Heater delivers instant hot water at 1.58 gallons per minute with a powerful 42,000 BTU output. Designed for outdoor enthusiasts, its lightweight, compact build and digital temperature display make it perfect for camping, boating, or cabin use. Equipped with CSA-approved safety features including overheat, flameout, and antifreeze protection, it ensures reliable and safe operation. Energy-efficient auto ignition and flameout modes save fuel while providing endless hot water on demand.

Specifications

ASIN	B0B25FXK7K
Best Sellers Rank	#190,317 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #208 in Water Heaters
Brand Name	RUINOPAR
Capacity	6 liters
Color	Bright White
Customer Reviews	3.8 3.8 out of 5 stars (472)
Flow Rate	1.58 gpm
Heat Output	42 KW
Item Dimensions W x H	10.2"W x 12.2"H
Item Type Name	water heater
Item Weight	4.99 kg
Manufacturer	RUINOPAR
Material Type	Stainless Steel
Maximum Pressure	145 psi
Maximum Temperature	167 °F
Model Number	JSN-F01
Mount Type	Wall
Number of Items	1
Power Source	gas_powered
Special Features	Portable,Overheat Protection,High Water Pressure Protection,Low Water Flow Protection,Lightweight,Anti-Freezing Protection,Dry Combustion Protection
Style Name	Portable,Automatic,Adjustable,Outdoor
Unit Count	1 Count
Wattage	12242.09

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¥61502

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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