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The Fogatti InstaShower 9 Pro is a third-generation tankless RV water heater rated at 66,000 BTU and up to 3.6 GPM, with a built-in mixing tank for steadier temperature. It delivers hot water on demand, so it can feed the shower and kitchen at once without a tank running cold. Its 13 x 13 inch opening drops into the cutout used by Suburban and Atwood 6-gallon tanks and by Girard and Furrion tankless units, which makes it a straightforward upgrade for many rigs. Against basic tankless rivals it adds altitude operation to 9,800 feet, a stronger NIDEC fan for high wind, and tighter temperature control. Owners rate it highly, and the main trade-offs are the install work and the need for steady water pressure and flow.
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Owners rate it very highly and praise the steady, instant hot water and the easy swap from an old tank heater. Complaints center on installation effort and on performance when water pressure or flow is low.
The Fogatti InstaShower 9 Pro is a third-generation tankless water heater for RVs. It is rated at 66,000 BTU and supplies hot water at up to 3.6 GPM, enough for the bathroom and kitchen to run at the same time. A mixing tank helps stabilize extreme water temperatures.
Temperature is controlled to within ±1℉. The burner uses two rows of flames in summer to prevent overheating and all five rows in winter. The heat exchange system works at altitudes up to 9,800 feet. The NIDEC fan delivers 300Pa and keeps the unit supplying hot water in winds up to 9 on the Beaufort scale.
The unit has a 13 x 13 inch opening and can replace Suburban and Atwood 6-gallon tank water heaters, as well as Girard and Furrion tankless water heaters. Replacing a 10-gallon tank heater requires an 18 x 18 inch door. Safety features include a built-in forced exhaust fan on top, stable combustion, automatic gas shut-off if the flame fails, anti-freeze protection and a filter screen for dust and sand. The heater is CSA certified.
