What Is The Difference Between The Three Fogatti InstaShower Tankless Water Heaters?
Updated 03/18/2026 | Published 07/12/2024
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Question:
Hi. I see you have 3 tankless water heaters from Fogatti. Whats the difference between them? Debating which to go with. Thanks for any info you can provide.
asked by: Robert
Expert Reply:
Good question, Robert. There are indeed a few differences between all 3 of the Fogatti tankless water heaters and I have them listed out below:
Fogatti InstaShower 7 Tankless Water Heater - 48,000 Btu # FG37FR
-Lower Btu rating which is better for a smaller camper/RV and or a singular individual
-13” wide, 13” tall, 13-13/16” deep
Fogatti InstaShower 8 Plus RV Tankless Water Heater - 55,000 Btu # FG97FR
-Higher Btu rating which is better for a larger camper/RV and multiple individuals
-13” wide, 13” tall, 13-13/16” deep
Fogatti InstaShower 8 Pro RV Tankless Water Heater With Mixing Tank - 55,000 Btu # FG47FR
-Higher Btu rating which is better for a larger camper/RV and multiple individuals
-Mixing tank that regulates water temperature better than direct flow from heating element
-13” wide, 13” tall, 15-13/16” deep
Basically, the InstaShower 7 would be the base, InstaShower 8 Plus is the middle, and the InstaShower 8 Pro is the high. Hopefully that helps with you decision.
Michael M.
3/14/2026
Hi, but they all offer the mixing tank. So as to not have cold starts when washing dishes or lathering up in the shower, yes?
Lazer S.
3/18/2026
Product Page this Question was Asked From
Replacement Fogatti InstaShower 7 Tankless Water Heater - 48,000 Btu
- RV Water Heater
- Tankless Water Heater
- Propane
- 40001 - 55000 Btu
- 12 Volts
- 13L x 13W x 13-13/16D Inch Cutout
- 13L x 13W x 13-13/16D Inch
- Doorless
- Fogatti
more information >
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Lazer S.
2/3/2026
Hey Robert, did you end up choosing one of the Fogatti tankless water heaters for your setup? It’d be great to hear which model worked best for your camper. Your feedback could help others comparing these options too.