| EC Range | A+++ - E |
|---|---|
| Color | Gray |
| Water Connection | 3/4 in NPT |
| MPN | R4MR-320E 100 |
| Brand | A. O. Smith |
| Type | Tankless Water Heater/Boiler |
| Heating System | Instantaneous (Tankless) |
| Voltage | 240 V |
| Model | A. O. SMITH R4MR 320E |
| Amperage | 133 amps |
| Features | Electric |
| Mounting Location | Indoor |
| Power | 32 Kilo Watts |
| Country of Origin | United States |
| UPC | 671657064006 |
Check the listing for details. A. O. SMITH R4MR 320E Tankless Hot Water Heater 4-Chambers 32 KW 240v. Color: Gray, Condition: Open box, Made in United States. Listed at 500.00 USD. The A. O. Smith R4MR 320E Hot Water Heater is a tankless, electric water heater with a 4-chamber design, perfect for indoor installation. With a 32 KW 240v voltage and 133 amps, 2 x 70 amp double pole breaker and #6 AWG wire size , this gray-colored heater boasts an EC range of A+++ - E, making it energy-efficient. The water connection location at the bottom and 3/4 inch NPT water connection ensure easy installation and reliable performance. Ideal for residential use, this instantaneous heating system provides hot water on demand, saving energy and space compared to traditional tank water heaters.