Fogatti InstaShower Ultra, 66,000 BTU, 0.5-3.6 GPM RV Tankless Water Heater with Gray Door & Mixing Tank（Supreme Series）

Elevate your RV hot water system with the Fogatti InstaShower® Ultra—Fogatti's most advanced 66,000 BTU tankless propane water heater, engineered for powerful performance and modern convenience. With a high-capacity 2.9 GPM flow rate and rapid-heating 66,000 BTU output, this system delivers endless, on-demand hot water for everything from long showers to back-to-back dishwashing—no holding tank required.

Built for four-season travel, it features anti-freeze protection, high-altitude capability up to 9,800 ft, and a built-in pressure relief valve for safe, consistent operation in all conditions. The upgraded 18.5″ × 18.1″ enclosure, paired with a sleek 18.0″ × 18.0″ grey access door, ensures compatibility with most large RV water heater compartments and offers a refined exterior finish.

With CSA certification, staged combustion technology, and robust safety controls, the InstaShower® Ultra is designed for clean, stable, and energy-efficient heating. An included wall-mounted remote control gives you total command over your water temperature from inside your RV.

No recovery time. No compromises. Just reliable, high-performance hot water—wherever your next adventure takes you.

Features:

• Stain & Dust-Resistant Gray Material
• Windproof & Waterproof Design
• Hybrid Tank for Stable Water Temperature
• Operates Under Low Water Pressure
• Works at 9,800ft Altitude
• Smart Combustion Control System
• Winter Freeze Protection
• Built-in Pressure Relief Valve
• Multi-Layer Safety Protection System
• Heat Output: ‎66000 BTU
• Water Flow: 0.5-3.6 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: FS10B1SGD