FOGATTI InstaShower 9 Pro RV Tankless Water Heater 66k BTU, 3.6 GPM, Built-in Mixing Tank

Overview

The FOGATTI InstaShower 9 Pro RV Tankless Water Heater is engineered for dependable warm water on the road. With 66,000 BTU of heating power and a flow up to 3.6 GPM, it delivers hot water to both the bathroom and kitchen without the long waits of a traditional tank unit. The Gen 3 design emphasizes efficiency, reliability, and a compact footprint that fits in compact RV spaces while preserving interior flow and comfort.

Power and precise flow

• 66,000 BTU output with up to 3.6 GPM hot water flow for simultaneous use in multiple RV zones.
• Temperature control within ±1℉ for consistent warmth across seasons.
• Seasonally adaptive burner: two flame rows in summer to prevent overheating; all five rows in winter for steady warmth.
• Built-in mixing tank helps stabilize extreme temperatures for a smoother shower experience.

Altitude resilience and wind tolerance

• Reliable hot water at altitudes up to 9,800 feet thanks to an upgraded cooling/heating system and a powerful 300 Pa fan.
• Design keeps performance stable in windy conditions, supporting RV use in varied environments.

Retrofit flexibility and installation options

• 13" × 13" opening enables replacement of common tank heaters (e.g., 6-gallon units) and several tankless models, with options for larger doors as needed.
• 13" × 13" to 18" × 18" retrofit pathway supports different appliance configurations, expanding compatibility for retrofits.

Convenience and included components

• Included 150 PSI pressure relief valve so you don’t need to source one separately.
• 15" × 15" door, a trim ring, and an intelligent remote controller operable up to 6.6 feet away.
• Water filtration screen reduces debris entering the system for safer operation.
• CSA-certified with built-in safety measures: forced exhaust fan, stable combustion, and automatic gas shut-off on flame failure.
• Anti-freeze protection adds an extra layer of reliability in colder conditions.

Real-world use and benefits

In everyday RV life, you can expect quick hot water during morning routines, pleasant kitchen rinsing, and fewer interruptions when multiple outlets are used. The built-in mixing tank and precise temperature control offer a comfortable experience without guessing at the right heat level. The compact, door-and-frame package keeps installation tidy, while the included components and safety features contribute to a worry-free setup wherever you travel.

What you get if you choose InstaShower 9 Pro

• High-output 66,000 BTU heater with consistent 3.6 GPM performance
• Altitude-ready operation and wind-tolerant design
• Retrofittable with multiple door sizes for broad RV compatibility
• Integrated safety, filtration, and control options that simplify installation and daily use