Forimo Tankless Water Heater 4.21 GPM | 16L Portable Propane Outdoor Heater with Digital Display

Portable warmth on demand for every adventure

Meet the Forimo Tankless Water Heater, a compact 16L unit designed for outdoor use. Its lightweight form makes carrying it to campsites, boats, or RV sites effortless, while delivering hot water when you need it most.

On-demand hot water is a standout feature here: the system starts with a low water pressure of 3.6 PSI, so you can enjoy a shower or quick wash even when incoming flow is modest. Propane-powered and built for remote settings, it pairs performance with flexibility wherever your travels take you.

Safety you can rely on

Designed with family safety in mind, it includes a flame failure device, overheating protection, and anti-freeze protection. A CSA-certified regulator adds an extra layer of assurance, and a clear reminder to check for gas leaks helps you set up with confidence.

Performance and efficiency

This heater delivers up to 41,000 BTU/hr, providing about 4.21 gallons of hot water per minute under favorable conditions. A thoughtful combustion design helps optimize fuel use and keeps operating noise low, so outdoor use remains comfortable and peaceful.

Key advantages at a glance

• On-demand hot water at low flow (3.6 PSI)
• CSA-certified regulator for safer setup
• Flame failure, overheating, and anti-freeze protections
• Lightweight, compact design for easy transport
• Propane-powered with a digital display for simple control
• Energy-aware combustion and efficient hot water delivery

Portable design and everyday use

Measuring about 21.65 x 13.4 x 5.9 inches, the unit is built for quick, tool-free setup in campsites, RVs, boats, or cabins. It runs on propane and uses 2 D-cell batteries (not included) to power the digital display and control panel.

What’s included

• Tankless Water Heater
• Shower Head
• Gas Regulator
• 2 x Hose
• Accessories Bag
• Instruction Manual

Important safety reminder

Always verify fittings are sealed to prevent leaks. Do not twist Teflon tape on the gas inlet. Follow local safety guidelines for outdoor gas appliances and perform leak checks before first use.