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INSTASHOWER 8 PRO

60K BTU RV Tankless Water Heater

$639.99 $739.99 Save $100.00
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More hot-water flow with tighter temperature control.

InstaShower 8 Pro delivers 60,000 BTU output, up to 3.1 GPM flow and a ±1°F temperature-stability target. High-altitude operation and multiple replacement-door sizes make it a strong upgrade for frequent RV shower use.

View all features ↓

Best for frequent shower use when higher flow and tighter temperature control matter more than an entry-level upgrade.

60,000 BTUPropane hot-water output
Up to 3.1 GPMFlow for repeated shower use
±1°FTemperature-stability target
Up to 9,800 ftHigh-altitude operating mode
INSTALLATION FIT
Match the exterior door to the existing opening.

13 × 13 in minimum cutout · 15×15, 15×18 or 18×18 in door · 12V DC

PDF GUIDE Installation manual Door sizing, utility connections, mounting, sealing and startup. Open manual
Color: Black
Select Door: 4/6 Gallon Door 15''x15''-Square

Fit note: Door options update with the selected color and available variants. Match the exterior opening to 15×15, 15×18 or 18×18; the installation guide covers utilities and venting.

Secure checkout More options available at checkout
30-day returns
Free contiguous U.S. shipping
2-year warranty
Fit and installation
Minimum clear opening
13 × 13 in
Door options
15×15 / 15×18 / 18×18 in
Fuel
LP propane
Electrical supply
12V DC
Water connections
1/2 in inlet and outlet
Maximum altitude
9,800 ft
Size
17.6 × 14.3 × 17.6 in
Weight
25.4 lbs / 11.5 kg

Choose the door from the opening and exterior trim; the guide covers water, LP propane, 12V and venting.

What’s included
  • Water heaterFogatti tankless RV water heater
  • Access doorSelected color and door-size configuration
  • ControllerWired digital controller
  • Safety hardwarePressure-relief and connection components
  • DocumentationInstallation hardware and user manual

Package contents follow the selected configuration and variant.

Specifications
Heat input
60,000 BTU
Maximum flow
Up to 3.1 GPM
Temperature range
95–123°F
Temperature control
±1°F target
Fuel
LP propane
Electrical supply
12V DC
Maximum altitude
9,800 ft
Quick answers

How do I choose the door size?
Choose the Shopify variant that matches the cutout and exterior trim coverage.

Which former tank-heater openings does it support?
It is designed for common replacement openings with door options that cover the existing cutout and trim.

Does it need 120V power?
Ignition and controls use 12V DC; heating uses LP propane. No 120V supply is required.

Read all FAQs ↓

Complete the RV comfort system

Add rooftop cooling or ducted heat selected for the RV roof, cabinet and utilities.

STEP-BY-STEP VIDEO See a tankless installation
HIGHER-FLOW TANKLESS HOT WATER

More shower margin without the top model

8 Pro combines 60K output, up to 3.1 GPM and tighter temperature control for regular RV shower use.

More margin for daily showers
UP TO 3.1 GPM

More margin for daily showers

Higher flow supports larger RVs and colder incoming water better than the entry tier.

Keep delivery steadier at the fixture
±1°F TARGET

Keep delivery steadier at the fixture

Temperature control is designed to reduce noticeable swings when supply conditions remain within range.

Travel from campgrounds to mountain routes
UP TO 9,800 FT

Travel from campgrounds to mountain routes

High-altitude operation broadens where the heater can be used when propane and venting are correct.

WHO SHOULD CHOOSE 8 PRO?

Choose it for regular, higher-demand showers

The step up matters when cold incoming water or frequent use makes a lower-output heater feel tight.

1
Mid-size and larger RVs

The 60K platform adds recovery margin without moving to Ultra’s maximum flow.

2
Couples and small families

Repeated daily showers benefit more from the added flow and control.

3
Cold-water and mountain routes

More burner output helps when incoming water needs a larger temperature rise.

INSTALLATION FIT

Choose the door from the actual opening

Door options cover common RV water-heater openings when matched to the existing cutout and exterior trim.

Choose the door from the actual opening
FIT AT A GLANCE

Measure cutout, trim and utility routing

The listed wall opening, door coverage, propane, 12V, plumbing and vent clearance support installation.

Heat input
60,000 BTU
Maximum flow
Up to 3.1 GPM
Minimum cutout
13 × 13 in
Door options
15×15 / 15×18 / 18×18
Power
12V DC
Altitude
Up to 9,800 ft

Select 15×15, 15×18 or 18×18 from the exterior opening and trim coverage.

CHOOSE THE RIGHT MODEL

Choose flow from the way you camp

Household size, incoming-water temperature and door fit matter more than the model number.

InstaShower 7

InstaShower 7

For compact RVs and lighter one-fixture use.

Heat
48K BTU
Flow
Up to 2.5 GPM
Best for
Compact RVs
HIGHER-FLOW PICK
InstaShower 8 Pro

InstaShower 8 Pro

For regular showers and colder incoming water.

Heat
60K BTU
Flow
Up to 3.1 GPM
Control
±1°F target
$639.99 Current model
InstaShower Ultra

InstaShower Ultra

For maximum flow and a built-in mixing tank.

Heat
66K BTU
Flow
Up to 3.9 GPM
Comfort
Mixing tank
QUICK ANSWERS

Quick answers about 8 Pro flow, doors and power

Quick answers on door sizing, utilities, flow and winterization.

How do I choose the door size?

Measure the existing cutout and exterior trim, then choose the door variant that fully covers the opening.

Which former tank-heater openings does it support?

It fits many common replacements, but the cutout, exterior coverage, plumbing and venting must all be confirmed.

Does it need 120V power?

Ignition and controls use 12V DC; heating uses LP propane. No 120V supply is required.

Can I run two fixtures at once?

Available flow depends on inlet temperature, pressure and set temperature. Treat 3.1 GPM as a system maximum, not a guarantee at every campsite.

Does freeze protection replace winterization?

Freeze protection supports operation, while draining and winterizing protects the heater during unheated storage or freezing exposure.