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Compact instantaneous water heater
DHF 21 C

    • Installation possible with commercially available taps
    • For soft water areas
    • Wide output range
    • Ideal for installation situations with concealed connections
    Questions about the product Get contact

    Product details

    Engage a top performer

    The power to impress: this compact instantaneous water heater has two output levels
    – and you don't even have to actively choose between them. The appliance switches automatically to the right level, depending on the flow rate. Your current needs therefore set the tone for this hydraulically controlled model.


    ERP product datasheet
    Reach-Information
    Technical datasheet

    Product Number: 074304

    Rated voltage: 400 V

    Rated output: 20,5 kW

    Rated current: 29,6 A

    Fuse protection: 32 A

    Frequency: 50 Hz

    Phases: 3/PE

    Power supply: 3/PE

    Water connection: G 1/2 A

    IP rating: IP24

    Colour: white

    Height: 370 mm

    Width: 220 mm

    Depth: 130 mm

    Weight: 4.10 kg

    Energy efficiency class: B

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Installation Information:

Please ask your local power supply utility or a registered electrician to install appliances that are not fully wired, i.e. ready to plug in. The electrician should also be able to assist you with obtaining the agreement of the respective power supply utility required for the appliance installation.