Best Outdoor Tankless Water Heater Natural Gas & Propane

Best Outdoor Tankless Water Heater 24L

1. Can this best outdoor tankless water heater be installed outside?

Yes, GASTEK best outdoor tankless water heater can be installed outside. 

It's built for harsh outdoor conditions:  

✅ **IPX5 Waterproof**: Its surface features a corrosion-resistant coatings used in HVAC systems, engineered to withstand heavy rain, humidity, and long-term rust damage.

✅ **Windproof Design**: It can resist 10th-level winds (24.5–28.4 m/s) through a **500–5000 RPM DC fan** that stabilizes combustion.  

✅ **Frost protection**: It's equipped with an anti-freeze device. When the ambient temperature falls below 10°C, it automatically initiates heating the water inside the pipes from freezing and damaging the plumbing system.

✅ **Rainwaterproof design**: Its specially designed flue outlet prevents rainwater ingress into the internal, effectively protecting the inside components from rainwater damage.

2. How to adjust the temperature?

GASTEK best outdoor tankless water heater comes with a 5-meter or 10-meter, or 15-meter wired remote controller. Users can set their desired temperature via the remote’s interface, and the system will automatically adjust to maintain the preset temperature.

3. Is its installation easy?

Yes, it has a compact size of 630*390*186mm. GASTEK provides installation kits and detailed instruction installation manual. It's easy to do a self-install with the right tools and connectors. 

4. What's the hot water output performance of this model?

✅ This model can provide 24L hot water per minute, even at multiple sources simultaneously and it won't affect the water temperature.

✅ It's quick to heat up and users never have to worry about running out of hot water.

✅ The water gets hot almost immediately, saving on gas costs.

✅  Micro-flame 4 segmented burner technology, smart control system and a versatile 500-5000 RPM DC fan to ensure a mere 3 degree rise in summer.