Evening Tide EVT-18K - Water heater Airthereal - Free user manual and instructions
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| Product Type | Electric Tankless Water Heater |
| Model | Evening Tide EVT-18K |
| Brand | Airthereal |
| Power Rating | 18 kW (240 V) |
| Voltage | 240 V AC, 60 Hz |
| Current | 75 A (max) |
| Flow Rate | Up to 3.5 GPM (at 45°F rise) |
| Temperature Range | 80°F – 140°F (27°C – 60°C) |
| Dimensions (H x W x D) | 17.5 x 11 x 4.5 inches |
| Net Weight | 8.5 lbs |
| Water Connection | 3/4 inch NPT (inlet and outlet) |
| Housing Material | Powder-coated steel |
| Heating Element | Copper immersion elements |
| Display | Digital LED temperature display |
| Safety Features | Overheating protection, flow sensor, pressure relief valve |
| Installation Type | Wall-mounted, indoor use only |
| Certifications | ETL, cETL, ASME rated |
| Warranty | 5 years on heating elements, 1 year on parts |
| Energy Efficiency | 99% thermal efficiency |
| Included Components | Water heater unit, mounting bracket, user manual |
| Maintenance | Descaling recommended every 6 months |
| Repairability | Replaceable heating elements and control board |
Frequently Asked Questions - Evening Tide EVT-18K Airthereal
What is the power requirement for the EVT-18K water heater?
The EVT-18K requires a 240 V AC, 60 Hz dedicated circuit with at least 75 A capacity. It is recommended to use a double-pole breaker and proper gauge wiring.
Can the EVT-18K be used with well water?
Yes, but water hardness may cause scale buildup. Use a water softener or perform regular descaling every 3-6 months to maintain performance.
What is the maximum flow rate of this water heater?
At a 45°F temperature rise, the flow rate is up to 3.5 GPM. At a 65°F rise, it drops to about 2.5 GPM.
How do I set the desired water temperature?
Use the digital display and up/down buttons to adjust temperature from 80°F to 140°F. The unit will automatically regulate power to maintain your setting.
What safety features does the EVT-18K include?
It includes overheating protection, a flow sensor to prevent dry firing, and a pressure relief valve. The unit also has auto-shutdown if water flow stops.
Do I need a recirculation pump for instant hot water?
No, the EVT-18K heats water on demand. However, if you have long pipe runs, a recirculation system can reduce wait time for hot water at distant fixtures.
How do I clean or descale the water heater?
Turn off power and water, disconnect inlet pipe, and circulate a vinegar solution (50/50 water and white vinegar) through the unit for 30 minutes. Rinse thoroughly before restoring service.
What is the warranty coverage?
Airthereal offers 5 years warranty on heating elements and 1 year on other components. It covers defects in materials and workmanship but not damage from improper installation.
Can I install the EVT-18K outdoors?
No, it is designed for indoor use only. Exposure to weather can cause electrical hazards and void warranty. Install in a frost-free location.
What should I do if the unit does not heat water?
Check if power is supplied (breaker on), water flow is adequate (minimum 0.5 GPM), and the temperature setting is higher than incoming water. If still not working, inspect heating elements or contact support.
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USER MANUAL Evening Tide EVT-18K Airthereal
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Product information
Brand : Airthereal
Model : Evening Tide EVT-18K
Category : Water heater