OPTIMAL OPTI-12 Electric Tankless Water Heater Box 860010792605 18KW Opti

( Brand: Optimal ), ( Manufacturer Part Number: OPTI-12 ), ( Power Source: Wired 220/240 ), ( Color: White ), ( Type: Tankless Water Heater/boiler ), ( Unit Type: Unit ), ( Heating System: Instantaneous ), ( Voltage: 220 V ), ( Item Height: 12.75 In ), ( Amperage: 55 A Max ), ( Features: Electric, Dry Combustion Protection, Self-modulating, Overheat Protection ), ( Water Temperature Range: Up To 105 F Max ), ( Country/region Of Manufacture: China ), ( Water Heater Profile: Compact ), ( Item Width: 11.5 In ), ( Power: Greater Than 10000 W ), ( UPC: 860010792605 )

Review OPTIMAL 18kw Electric Tankless Water Heater Opti Open Box

The Optimal Opti-12 Electric Tankless Water Heater is an advanced and high-performing appliance designed to provide endless hot water on demand. With a power output of 18 kilowatts, this unit is capable of delivering up to 7.5 gallons per minute of flow rate, making it an excellent choice for larger homes or businesses with high hot water usage.

The Opti-12 is encased in a compact and sleek design, measuring only 17 inches by 13 inches by 3 inches. Despite its small footprint, this unit is packed with innovative features to ensure optimal performance and energy efficiency. It utilizes a patented self-modulating technology that adjusts power input based on the actual water flow rate, thus minimizing energy waste and lowering utility bills.

This tankless water heater is also equipped with advanced safety features such as freeze protection, overheat protection, and an automatic shut-off system. The Opti-12 is designed for easy installation, with a simple plug-and-play setup and no complex venting requirements. It also comes with a user-friendly digital display that shows water temperature and flow rate, making it easy to monitor and adjust settings.

The Optimal Opti-12 Electric Tankless Water Heater is also Energy Star certified, ensuring that it meets strict energy efficiency guidelines set by the U.S. Environmental Protection Agency. It is also backed by a comprehensive warranty, providing peace of mind for homeowners and businesses.

Overall, the Optimal Opti-12 Electric Tankless Water Heater is an excellent investment for those seeking a reliable, efficient, and cost-effective solution for their hot water needs. With its powerful performance, compact design, and advanced features, this unit is sure to provide endless hot water on demand while minimizing energy waste and lowering utility bills.

The Opti-12 18kW electric tankless water heater by Rinnai is a popular choice for those seeking an energy-efficient and continuous hot water supply. Here are some pros and cons to help you make an informed decision:

1. Energy Efficiency: Tankless water heaters do not store hot water, so they only heat water when it is needed. This results in significant energy savings compared to traditional tank water heaters.

2. Endless Hot Water: Since the water is heated on demand, there is no limit to the amount of hot water available.

3. Compact Size: The Opti-12 model is relatively small and can be installed in various locations, making it a great option for those with limited space.

4. Long Lifespan: Tankless water heaters have a longer lifespan than traditional tank water heaters, with an average lifespan of around 20 years.

5. Reduced Greenhouse Gas Emissions: By using electricity to heat water instead of natural gas, tankless water heaters can help reduce greenhouse gas emissions.

1. Higher Upfront Cost: Tankless water heaters have a higher upfront cost compared to traditional tank water heaters. The Opti-12 model, in particular, is one of the more expensive options.

2. Installation Complexity: Installing a tankless water heater requires professional assistance, as it involves electrical and plumbing work. This can add to the overall cost.

3. Potential for Cold Water Sandwich: In areas with low water flow or high demand for hot water, there is a possibility of experiencing a "cold water sandwich," where the hot water is sandwiched between two cold water bursts.

4. Potential for Higher Electricity Bills: While energy efficient overall, tankless water heaters can lead to higher electricity bills due to the constant demand for heating water.

5. Limited Warranty: The Opti-12 model comes with a limited warranty of 12 years on the heat exchanger and 5 years on parts.

The Rinnai Opti-12 18kW electric tankless water heater offers numerous benefits, including energy efficiency, endless hot water, compact size, long lifespan, and reduced greenhouse gas emissions. However, it also comes with higher upfront costs, installation complexity, potential for cold water sandwich, and limited warranty. After considering these factors, if you have the budget and desire the benefits of a tankless water heater, the Opti-12 model could be a worthwhile investment. If budget is a concern or you prefer a more straightforward water heating solution, a traditional tank water heater may be a better choice.

Details:

Get More from Your Current Tank: Enjoy longer, more relaxing showers. Delivers continuous hot water for 2-showers and 1-sink used concurrently based on a 1.5 GPM shower head 0.5 sink faucet in southern US locations. Space-Saving Solution: Get the performance of a larger water heater without taking up valuable floor space. Packaging May Have Wear and Tear Due To storage Handling.

Works with Most Tank Heaters: Compatible both electric and gas tank water heaters, the Op 2 is a versatile solution for any home. The Op 2 boosts your existing tanks capacity by up to 45%. Op 2s compact modern design is wall mounted and frees up closet space for extra valuable storage. Optimal products come with freeze protection, leak detection and vacation mode protection.

Please See Pictures for Details. Only water heater with patent patented ultrasonic flow sensing.

part #: opti12 prices

• $397.71-$510.79

specifications wateheat:

• brand: Optimal
• mpn: Opti-12
• power source: Wired 220/240
• color: White
• type: Tankless Water Heater/boiler
• unit type: Unit
• heating system: Instantaneous
• voltage: 220 V
• item height: 12.75 In
• amperage: 55 A Max
• features: Electric, Dry Combustion Protection, Self-modulating, Overheat Protection
• water temperature range: Up To 105 F Max
• country/region of manufacture: China
• water heater profile: Compact
• item width: 11.5 In
• power: Greater Than 10000 W
• upc: 860010792605

payments wateheat:

• other
• wallet: Apple-pay
• credit card: Diners-club

general wateheat:

• condition: Open box
• Heating, Cooling Air > Water Heaters > Tankless Water Heaters

shipping wateheat:

• service: UPS Ground, USPS Ground Advantage, FedEx Ground or FedEx Home Delivery
• type: Calculated
• carrier: UPS, USPS, FedEx
• class: Standard
• transit: 3-8 Days
• cost: $18.83

offer wateheat:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: May 28, 2025
• sold: 0

returns wateheat:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer
• method: Money back

seller wateheat:

• rating: 99.4%
• # reviews: 1984 3
• city: Fort Wayne, Indiana

Optimal OPTI-12 Is Similar To:

• Optimal 860010792612 220-volt 240-volt 18 Kw 3.7 Gpm Smart Electric Tankless Water Heater (57.3% similar) Lifetime warranty. The op 8 is the only water heater with patented ultrasonic flow sensing technology providing quiet, efficient and smart control. Dry-fire protection prevents premature element failure for worry-free installation. With advanced power modulation, built in diagnostics and...(May 17th, 2025)