Search  for anything...

Hillhub RV Tankless Water Heater, 3.9 GPM Propane Instant Hot Water Heater for Motorhome Camper, 65,000 BTU On-Demand with 18 x 18

  • Based on 0 reviews
Condition: New
Checking for the best price...
$346.99 Why this price?
Save $18.99 was $365.98

Buy Now, Pay Later


As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

30-day refund / replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: Only 8 left in stock, order soon!
Fulfilled by Amazon

Arrives Monday, Mar 30
Order within 15 hours and 11 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Features

  • Perfect fit This RV tankless water heater is designed for easy retrofitting with a standard 12.8" x 12.8" mounting opening, offers a perfect fit for AS, FR, Fleet, CR, and most other major RV brands.
  • High EfficiencyThis powerful RV water heater delivers up to 3.9 gallons per minute with a 65,000 BTU output, providing instant hot water on demand wherever your RV adventure leads.
  • Instant HeatingUnlike traditional tank systems, this RV water heater provides instant hot water within 3 seconds without long heating delays, saving both propane and waiting timeperfect for full-time RVers, families, or weekend travelers. Its the propane water heater that keeps up with every journey.
  • Stable TemperatureThis advanced RV tankless water heater uses vortex mixing and staged combustion to maintain your set temperature from 95F to 124F, even during water pressure fluctuations,Protecting us from being scalded by sudden high temperatures
  • Safety ProtectionTThis RV tankless water heater is CSA-certified and backed by U.S.-based technical support, featuring advanced safety protections including automatic flame-out shutoff, overheat protection, dry-fire defense, low water pressure startup, and automatic anti-freeze protection down to 42.8F.

Description

【Perfect fit】 This RV tankless water heater is designed for easy retrofitting with a standard 12.8" x 12.8" mounting opening, offers a perfect fit for AS, FR, Fleet, CR, and most other major RV brands. 【High Efficiency】This powerful RV water heater delivers up to 3.9 gallons per minute with a 65,000 BTU output, providing instant hot water on demand wherever your RV adventure leads. 【Instant Heating】Unlike traditional tank systems, this RV water heater provides instant hot water within 3 seconds without long heating delays, saving both propane and waiting time—perfect for full-time RVers, families, or weekend travelers. It’s the propane water heater that keeps up with every journey. 【Stable Temperature】This advanced RV tankless water heater uses vortex mixing and staged combustion to maintain your set temperature from 95°F to 124°F, even during water pressure fluctuations,Protecting us from being scalded by sudden high temperatures 【Safety Protection】TThis RV tankless water heater is CSA-certified and backed by U.S.-based technical support, featuring advanced safety protections including automatic flame-out shutoff, overheat protection, dry-fire defense, low water pressure startup, and automatic anti- freeze protection down to 42.8°F. 【Space-Saving Design】Compact tankless design measuring 12.6" x 14.74" x 12.5" maximizes interior RV space with efficient, space-saving integration. 【Durable & Reliable】With anti-vibration technology and rugged durability, this RV water heater ensures a smoother, more reliable journey—making it the ideal instant hot water upgrade for campers, travel trailers, and any outdoor RV setup.

Style: ‎RV Water Heater PLUS+18 x 18 W


Date First Available: August 1, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Mar 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews

No reviews yet

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...