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iHeat Magnum S9 Whole House Tankless Water Heater 9KW

$ 249.00

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Perfect for a 1 bath home in warm climates.

The original S-9 whole house tankless water heater is part of the iHeat Magnum lineup. With 9 KW of heating power this tiny heater is more than capable of supplying hot water to your entire apartment or condo. Made for southern climates and warm incoming water temperatures, the S-9 tankless water heater will supply a water temperature rise of 80 degrees F at 1 GPM and 40 Degrees at 2 GPM.  Couple that with energy and space savings and you can see how this heater will pay for itself in no time at all!

  • Indicator lights and power button for easy operation 
  • Sleek design to maximize space saving benefits. 
  • Industry approved hexagonal thread backing 
  • Very easy to install.
  • Cover: Stainless Steel 
  • Heat Exchanger: 100% Stainless Steel
  • Element: Brass Flange/Copper
  • 3 year warranty
Tech Specs
  • Pipe Fittings: 1/2" 
  • 9 KW at 240V
  • Double Pole 40 Amp Breaker Required, 8/2 Wire
  • Dims: 11.5" x 9" x 4.5" inches 
  • Weight: 7 lbs 

Drakken iHeat installation diagram for Magnum S9 tankless water heater


    Ask a Question
    • Does this unit come with a warranty?

      All iHeat brand water heaters feature a 1-year warranty.

    • What size fittings does this unit have?

      The iHeat S9 tankless water heater uses 1/2” connections on both the inlet and outlet.

    • What electrical specifications are required for this unit?

      The iHeat S9 tankless water heater requires a Double Pole 40amp breaker, and 8/2 wire (8 gauge).

    • How many bathrooms can this unit provide water for?

      The iHeat S9 tankless water heater has 9KW of heating power, which can provide hot water for up to 1 bathroom in warm climates, or suitable for a hand sink or small applications in moderate climates.

    • You got a bigger one designed to work in cold regions?

      Yes we do. Please call us at 305-823-6991.

    • Does it come with a plug or is it hard wired?

      The iHeat Magnum S9 tankless water heater comes with pre-attached 8-gauge wire which needs to be hard-wired into an AC electric disconnect box.

    • I have deionized water is that good for this

      Makes no difference.

    • Good afternoon is the Iheat 9kw outdoor rated or indoor only?? thx

      Indoor only