Description
Experience instant, endless hot water on the road with the Fogatti InstaShower 8 Plus FS08B1S RV Tankless Water Heater. Designed for modern RVs, this on-demand LP gas water heater delivers 2.9 gallons per minute (GPM) of consistent hot water at a powerful 55,000 BTU output. Featuring an intelligent microcomputer control system, automatic pulse ignition, and multi-stage combustion, this compact, efficient unit ensures maximum safety, reliability, and performance.
Ideal for replacing older Atwood, Dometic, or Suburban models (conversion kit may be required), the InstaShower 8 Plus provides a smarter, more efficient upgrade for your RV water heating system.
Key Specifications
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Brand: Fogatti®
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Model: InstaShower 8 Plus (FS08B1S)
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Manufacturer Part #: INSTASHOWER 8 PLUS
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Type: LP Gas Tankless (On-Demand)
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BTU Rating: 55,000 BTU
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Flow Rate: 2.9 Gallons Per Minute (GPM)
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Ignition Type: Automatic Pulse / Electronic Ignition
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Voltage: 12V DC
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Dimensions (Unit): 15" H x 15" W x 15.4" D
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Rough Opening Dimensions: 13" H x 13" W
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Weight: 25 lbs
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With Insulation: No
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With Access Door: No (sold separately; door kit may be required)
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With Wired Digital Controller: Yes
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Mounting Type: Fixed (Non-Portable)
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Warranty: Limited 2-Year Manufacturer Warranty
Features & Benefits
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Instant, Endless Hot Water: 2.9 GPM tankless design provides consistent water temperature on demand—no waiting or storage tank required.
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Smart Temperature Control: Built-in microcomputer system monitors and adjusts water temperature, gas flow, and safety functions for smooth operation.
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Automatic Pulse Ignition: Ensures quick, reliable starts with each use.
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Stage Combustion Technology: Optimizes fuel efficiency while maintaining stable heat output.
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Low Startup Pressure: Operates easily even with low water pressure—ideal for RV applications.
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Flameout Protection: Automatically shuts off gas supply if flame is extinguished to prevent leaks.
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Overheat and Blockage Protection: Intelligent sensors monitor exhaust and airflow to prevent overheating or flue obstruction.
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Automatic Shutdown: Unit powers down safely if water flow stops or outlet valve is closed.
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Digital Control Panel: Wired controller allows easy temperature setting and fault code display for maintenance convenience.
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Compact and Lightweight: Space-saving design fits easily into RV utility bays or replacement enclosures.
The Fogatti InstaShower 8 Plus Tankless RV Water Heater (FS08B1S) is designed for efficiency, safety, and convenience. Its smart electronic control system ensures steady hot water and optimal combustion while continuously monitoring key components for safety. Whether you're upgrading or replacing an older model, this water heater provides modern technology, improved safety features, and consistent temperature control—perfect for RVers who demand comfort on the go.
This ducted forced-exhaust unit safely vents gases outdoors while drawing clean air through an anti-dust intake grille. Its advanced safety protocols—including flameout detection, water interruption shutoff, and real-time fault diagnostics—make it one of the safest and most reliable tankless heaters available for RVs today.
Note: Access door sold separately. A conversion door kit may be required when replacing older Atwood, Dometic, or Suburban models.