Fogatti InstaShower 2.9 GPM LP Tankless Water Heater - FS08B1SA

New Fogatti InstaShower FS08B1SA 2.9 GPM RV tankless water heater is a compact LP propane on-demand hot water system designed to deliver continuous, stable hot water for RV and mobile applications. The Fogatti FS08B1SA tankless water heater features intelligent microcomputer control, advanced safety monitoring, and a built-in mixing tank to maintain a consistent outlet temperature during use.

This unit is engineered for RV environments where space, airflow safety, and power efficiency are critical. A forced exhaust system safely vents combustion gases outside, while the anti-dust intake filter helps maintain clean airflow for reliable operation. Simply set your desired temperature using the included wired digital controller, press start, and enjoy on-demand hot water without recovery time.

The FS08B1SA is an ideal upgrade for modern RV plumbing systems requiring efficient, compact, and intelligent water heating.

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Key Specifications

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• Manufacturer Part Number: FS08B1SA

• Model: FS08B1SA

• Water Heater Type: On-demand / tankless

• Fuel Type: LP Gas (Propane)

• Maximum Flow Rate: 2.9 GPM

• Input Rating: 55,000 BTU

• Ignition Type: Automatic electronic pulse ignition

• Operating Voltage: 12V DC

• Weight: 25 lbs

• Unit Dimensions: 15" H x 15" W x 15.4" D

• Rough Opening Dimensions: 13" H x 13" W

• Controller Included: Yes – wired digital controller

• Mounting Hardware Included: Yes

• Access Door: Not included

• Warranty: Limited 2-year manufacturer warranty (Coleman-Mach)

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Features & Benefits

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• 2.9 GPM on-demand hot water output for continuous shower and sink use

• Constant temperature control system using intelligent microcomputer management

• Built-in mixing tank helps stabilize water temperature during operation

• Low startup water pressure requirement for improved performance in RV and off-grid systems

• Automatic electronic ignition for fast and efficient startup

• Forced exhaust system safely vents combustion gases outside the RV

• Flameout protection automatically shuts off gas if the flame is lost

• Overheat and exhaust blockage protection increases fan speed and prevents unsafe operation

• Automatic shutoff if water supply is interrupted

• Intelligent safety monitoring system with real-time fault detection

• Advanced fault code display for simplified diagnostics and service

• Compact RV-ready design for easier installation in limited spaces

• Anti-dust air intake screen supports cleaner airflow and longer service life

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Installation & Compatibility Notes

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The Fogatti InstaShower FS08B1SA tankless water heater is designed for RV and mobile installations.

Important:
A conversion access door kit may be required when replacing older Atwood, Dometic, or Suburban water heaters due to cabinet and opening size differences.

Please verify your existing opening and installation clearances before ordering.