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Fogatti InstaShower 9 Pro, 66,000 BTU RV Tankless Water Heater with Mixing Tank
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Introducing the third-generation Fogatti InstaShower RV Tankless Water Heater — engineered to deliver high-performance, on-demand hot water wherever your adventures take you. With a powerful 66,000 BTU output and flow rate of up to 3.6 GPM, this RV water heater provides continuous hot water for simultaneous use in your kitchen and bathroom. No more waiting between showers — enjoy consistent temperature and strong flow even with multiple users.
- Super Mix Tank for Stable Water Temp
- Operates Under Low Water Pressure
- 9800 ft High-Altitude Operation
- Smart Combustion Control System
- Waterproof Decorative Frame
- Winter Freeze Protection
- Built-in Pressure Relief Valve
- No Need New LP Gas Lines or Special Piping
- CSA Safety & ETL Quality Certified
- Heat Output: 66000 BTU
- Water Flow: 0.8-3.6 GPM
- Temperature Control: 95°F-123°F
- Water Temp Fluctuation: ±1℉
- Electric Supply: DC 12V
- Fuel Type: LP（Propane)
- Comes With Door: 15" x 15"(Replace 4/6-gallon Tank)
- Model NO: FS10BS
- Fast & Free Local Warehouse Shipping
- 30-Day Free Replacement & Return
- 24-Month Hassle-Free Warranty
Description
Gen 3 RV Tankless Water Heater | 66,000 BTU | 3.6 GPM | Instant Hot Water
🚀 Push the Limits: Designed for full-time RVers and off-grid camping, this tankless water heater operates flawlessly at altitudes up to 9,800 ft. Its upgraded NIDEC fan produces 300Pa of wind pressure, ensuring reliable performance in high-wind conditions (up to Beaufort scale 9).
🛠️ Easy Retrofit Installation: The Fogatti tankless water heater is a versatile replacement for most traditional RV water heaters. It fits standard 13” x 13” openings and is compatible with Suburban, Atwood 6-gallon tanks, as well as Girard and Furrion tankless models. For 10-gallon replacements, use an 18” x 18” door kit.
🌡️ Precision Temperature Control: Experience unmatched comfort with ±1°F accuracy. The smart seasonal burner mode adjusts flame output automatically—two rows in summer to avoid excess heat, five rows in winter for maximum warmth. A built-in mixing tank eliminates temperature fluctuations.
💧 Save Money & Simplify Maintenance: Fogatti includes a pre-installed 150 PSI pressure relief valve, a 15” x 15” door, 17.64” x 17.64” trim ring, and a smart remote controller (range up to 6.6 ft). No extra purchases needed.
🔒 Certified Safety & Durability: This CSA-certified RV water heater comes with a built-in water filter screen to block debris, forced exhaust technology, stable combustion, automatic gas shut-off, and anti-freeze protection. Travel with peace of mind.
Ideal for RV owners seeking an efficient, high-capacity, and reliable tankless hot water system. Upgrade to Fogatti — where instant hot water meets intelligent design.
Product Document
Special Offer
- Buy 3 or more Get 6% OFF (Discounts will be applied at checkout.)
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FREE Shipping, 3-5 Days FedEX / UPS Delivery
This product is rated 4.7 of 5.0 stars.
It has received 3 reviews.
150 PSI Relief Valve
NIDEC DC Fans
Up to 9,800 feet
Wide Application
Campaible with RV Models
Interface Display
Wiring Instruction
Easy Installation
Replace RV Water Heater
Replace Models
What's in the Box?
We are #1 RV Tankless
More and more RV owners and businesses are choosing "Fogatti" over any other tankless water heater brand.They choose us for our high-quality standards in RV water heating, our genuinely satisfying after-sales service,and because our RV manufacturing technology has reached its pinnacle.
Businesses that depend on Tankless Water Heater rely on Fogatti
Which is the Best for You?
InstaShower 7
InstaShower 8Plus
InstaShower 8Pro
InstaShower 9Pro
48,000BTU
55,000 BTU
55,000 BTU
66,000 BTU
2.5 GPM
2.9GPM
2.9 GPM
3.6 GPM
No
No
Yes
Yes
15" x 14.3" × 15"
15" ×15.4" × 15"
15" ×16.4" × 15"
15"x14.3"x15"
13''×13''
13''×13''
13''×13''
13''×13''
31.1 lbs
31.1 lbs
31.1 lbs
31.3 lbs
84%
84%
84%
84%
LP(Propane)
LP(Propane)
LP(Propane)
LP(Propane)
5/8" UNF
5/8" UNF
5/8" UNF
5/8" UNF
1.97" NPT
1.97" NPT
1.97" NPT
1.97" NPT
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
14.5- 116 PSI
14.5- 116 PSI
14.5- 116 PSI
14.5- 150 PSI
DC 12V
DC 12V
DC 12V
DC 12V
Forced
Forced
Forced
Forced
Automatic Pulse Ignition
Automatic Pulse Ignition
Automatic Pulse Ignition
Automatic Pulse Ignition
FSO7B1S
FS08B1S
FS08B1SA
FS10B1S
FAQ
Does the RV water heater come with a door?
Our RV water heater comes with a 15*15 inches door. If you need 15*18 or 18*18 inches doors for installation requirements, you need to buy additional.
What is the difference between the Plus vs Pro?
Compare with the Plus one, the Pro one is our new product that added a mixing tank and a decorative frame.
What is the primary function of the mixing tank?
It is a critical component that not only stabilizes water temperature but also enhances safety, energy efficiency, and the overall functionality of the water heater for a better experience while traveling.
Can the RV hot water heater replace my old one?
Of course! Our RV water heaters are suitable for all RVs. In some cases, you may need our door frame accessories to ensure a proper fit, especially if your existing water heater has different opening sizes. Contact us for more details.
During winter or in cold weather, what considerations should be kept in mind when using this device?
When the ambient temperature drops below 32°F (0°C) and the machine is not connected to power or gas, it's necessary to drain the water from the water heater. This precaution prevents damage to the heat exchanger.
How do I install my new tankless water heater?
Here is an installation video, please check carefully.
If you still can't install successfully, please contact our after-sales team.
This product is rated 4.7 of 5.0 stars.
It has received 3 reviews.
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