Description
Experience instant, endless hot water wherever your RV adventures take you with the Fogatti InstaShower FS10B1S Tankless Water Heater. Engineered with advanced Gen 3 technology, this LP gas-powered on-demand water heater delivers up to 3.6 gallons per minute (GPM) of continuous hot water—ideal for showers, dishwashing, and cleaning, all without waiting for a tank to refill.
The InstaShower FS10B1S features automatic pulse ignition and a 12V DC operation, providing reliable performance with minimal power draw. Its dual-stage combustion system ensures consistent temperature stability, while the integrated mixing tank eliminates sudden temperature fluctuations. With a powerful 66,000 BTU output, this compact yet capable unit performs efficiently even at altitudes up to 9,800 feet.
Designed for easy RV installation, the FS10B1S includes a wired digital controller for precise temperature control and convenient monitoring. Please note that this model does not include an access door, and a conversion door kit may be required when replacing older Atwood, Dometic, or Suburban water heaters due to size variations.
Key Specifications
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Brand: Fogatti
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Model: InstaShower FS10B1S (INSTASHOWER 9 PRO)
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Type: LP Gas Tankless / On-Demand Water Heater
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Flow Rate: 3.6 GPM
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BTU Output: 66,000 BTU
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Ignition Type: Electronic (Automatic Pulse Ignition)
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Power Supply: 12V DC
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Operation: Dual-Stage Combustion with Mixing Tank
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Unit Dimensions: 15" (H) x 15" (W) x 14.3" (D)
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Rough Opening Dimensions: 13" (H) x 13" (W)
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Weight: 31.3 lbs
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Mounting Type: Non-Portable / Permanent RV Installation
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With Digital Controller: Yes (Wired)
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With Access Door: No (Conversion Kit May Be Needed)
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With Indicator Light: Yes
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With Switch: Yes
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Insulation: No
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Country of Origin: Imported
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Warranty: Limited 2-Year Manufacturer Warranty
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Manufacturer Part #: INSTASHOWER 9 PRO
Features & Benefits
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Endless Hot Water on Demand – Provides an unlimited supply of hot water whenever needed, eliminating recovery wait times.
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High-Efficiency Heating System – Delivers up to 66,000 BTU of heat output with superior fuel efficiency and stable performance.
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Super Mix Tank Technology – Ensures a consistent, steady water temperature even when flow or demand fluctuates.
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High-Altitude Operation – Functions efficiently at elevations up to 9,800 feet, perfect for mountain or off-grid camping.
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Digital Display Controller – Allows users to monitor and adjust temperature easily and safely.
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Dual-Stage Combustion – Reduces overheating risks in summer and maintains efficient combustion under various conditions.
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Winter Freeze Protection – Built-in safeguards prevent damage from low temperatures during cold-weather travel.
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Easy Replacement & Compatibility – Works as a modern replacement for older Atwood, Dometic, or Suburban units (door kit may be required).
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No New LP Gas Lines Needed – Designed for simple integration with existing RV gas systems.
- Images are for representative purposes only. Unit does not include door.
Ideal For
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RV owners upgrading from traditional tank-style heaters.
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Off-grid travelers needing energy-efficient, on-demand hot water.
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Campers or full-time RVers looking for compact, high-performance LP water heating.
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