Optimal OPTI27 Electric Tankless Water Heater

Name: Optimal OPTI27 Electric Tankless Water Heater
Brand: Optimal
SKU: 5015743691
Price: 356.4 USD
Availability: InStock

$356.40 $648.00

Taxes included. Shipping calculated at checkout.

The Optimal OPTI27 electric tankless water heater delivers reliable, continuous hot water for whole-home use, point-of-use installations, or hybrid booster applications. Engineered with advanced heating elements and an ultrasonic design, it maximizes energy efficiency while saving significant indoor space compared to traditional tank units.

Equipped with precise digital temperature control, this 240V unit maintains temperatures with 1-degree accuracy from 26.7°C to 60°C. It features integrated leak detection and overheat shut-off mechanisms to ensure safe and dependable residential or commercial performance.

Key Features

Brand	Optimal
Model	OPTI27
Type	Tankless
Power Source	Electric
Wattage	27000 W
Voltage	240 V
Amperage	112 A
Maximum Flow Rate	17 L/min
Water Connection Size	3/4"
Water Connection Location	Bottom
Width	36.8 cm
Height	43.7 cm
Depth	8.9 cm
Product Weight	6.4 kg
Mount Type	Wall mount
Display Type	Digital
Leak Detection	Yes
Overheat Protection	Yes
Safety Listing	ETL safety listing

Highlights

Leak Detection, Warranty: 25-year limited, Super High Efficiency

How to use

Mount the unit securely to an interior wall near the required plumbing and electrical lines. Connect 3/4-inch water lines to the bottom inlets and wire into a 240V electrical system according to local codes. Use the digital display to set your preferred output temperature.

Downloads

Frequently asked questions

What is the maximum flow rate of this water heater?

The unit provides a maximum flow rate of 17 litres per minute (4.5 GPM) at a 45°F temperature rise.

What electrical specifications are required?

It operates on a 240V electrical connection, draws 112 amps, and has a power rating of 27,000 watts.

Where are the water connections located?

The water connection points measure 3/4 inch and are located at the bottom of the unit.

What safety features are integrated into the unit?

It includes built-in leak detection, overheat shut-off protection, and holds an ETL safety listing.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

Orders typically ship within 5–7 business days. Returns are accepted within 30 days of delivery — see our Shipping Policy and Refund & Return Policy pages for full details.