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Questions and Answers for Rheem Performance 36 kw Self-Modulating 7.03 GPM Tankless Electric Water Heater

Internet #300800822

Model #RETEX-36

Store SKU #1002624318

  • Electric tankless water heater provides consistent hot water
  • Energy and cost savings of up to 34% in whole-home installations
  • Tankless water heater requires 4 x 40 AMP double pole breakers

Questions & Answers

1187Questions
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Q:Existing tank water heater has backup power for use in power outage (1x40 double-pole breaker). RETEX-36 needs 4 of these breakers. Can it have 1 of 4 breakers with backup power for limited hot water during a power outage? (ie. power 1 of 4 heat chambers)
by|Feb 8, 2024
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Q:How do you de scale your ream hot water heater? How Often, should you do it and how do you get the cover off?
by|Feb 8, 2024
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Q:What size heater would i need for a house of 5 people.
by|Feb 6, 2024
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A:  A 9gpm will do it, I have a 11gpm with (Rheem performance platinum ) gas with recirculating pump. we are a family of 5 with frequent guests. 3 full bath, dishwasher,and washer, they all hot at the same time. used same spot my old used to be.

by|Mar 21, 2024
    1 found this answer helpful
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    Q:4 baths kitchen laundry What is the best
    by|Feb 5, 2024
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    Q:What’s the best electric tankless water heater for Pennsylvania and what type wire would I need to have for breaker panel?
    by|Feb 2, 2024
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    Q:How many gal/min for a shower?
    by|Jan 31, 2024
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    A:  Depends on your shower head or tub spout.

    by|Mar 24, 2024
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      Q:How do you replace water filter on this unit.
      by|Jan 30, 2024
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      Q:I want a tankless to replace my current 30 gallon electric water heater. What model do I need?
      by|Jan 28, 2024
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      A:  The model you will need for a tankless is based upon the amount of fixtures you are delivering the hot water to most brands will have a size chart for reference/guide to tell you which one you will need

      by|Feb 18, 2024
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        Q:My hot water heater started cycling between hot and cold when showering. 8 kw Installed about a year ago.
        by|Jan 28, 2024
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        Q:Can this be mounted upside down? The flow direction is backwards on this with hot being on left and cold on right.
        by|Jan 28, 2024
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        Price:
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        Required Volt Connection

        240 volt

        240 volt

        240 volt

        240 volt

        Wattage (watts)

        36000 W

        19200 W

        27000 W

        36000 W

        Application Type

        Residential

        Residential

        Residential

        Residential

        Indoor/Outdoor

        Indoor

        Indoor

        Indoor

        Indoor

        Water Heater Features

        Wall Mounted

        Digital Display, Freeze Protection, Overheat Protection, Wall Mounted

        Digital Display, Overheat Protection, Wall Mounted

        Digital Display, Freeze Protection, Overheat Protection, Wall Mounted