Questions and Answers for Rheem Performance 13 kW Self-Modulating 2.54 GPM Tankless Electric Water Heater

A:  Hello, The RETEX-13 can be used on 208V single phase but will result in a 25% reduced temperature output. Isaiah

A:  I do not believe the elements internally are for salt water as it is corrosive. It would be best for you to contact Rheem directly or a plumber

A:  Hello Dave, Rheem manufactures tankless electric models made specifically for Pool applications that would be much better suited for such use. Isaiah

A:  Hello Cody, In order to best select the model for you and your home Rheem advises you refer to the sizing information provided on the associated Specification Sheet. There you will find helpful information on sizing based on the number/type of hot water access points in your home as well as the incoming water temperature.  Isaiah

A:  Look at the specs on each unit to accomadate your particular family. The 13 kW will work for 2 showers. The 11 kW is for one shower at a time. 55 gal H2O heater is huge.

A:  Hello Cody, In order to best select the model for you and your home Rheem advises you refer to the sizing information provided on the associated Specification Sheet. There you will find helpful information on sizing based on the number/type of hot water access points in your home as well as the incoming water temperature.  Isaiah

A:  80 to 140 degrees F

A:  Hello John. This model has an electronic temperature control adjustable in 1-degree increments from 80-140 degrees F. Isaiah

A:  It would be the same size wire and same breaker but the until will operate at a reduced capacity by 25%.

A:  Hello Justin, The RETEX-13 requires 6AWG wiring and a 60AMP double-pole breaker. Isaiah

A:  Hello Tony, The RETEX-13 uses 6AWG wiring. Isaiah

A:  Hello Gary, The RETEX-27 uses 8AWG wiring with (3) 40-amp double-pole breakers. Isaiah

A:  Hello Zana, The RETEX-36 requires the use of 4 double-pole 40amp breakers. Isaiah

A:  Hello Phil, For assistance with your inquiry, please reach out to our Technical Support team at (800) 374-8806, 8 A.M. and 5 P.M. EST, and one of our agents would be happy to assist. Isaiah