Photo 1 of Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco, White, 20.2 & 3M Aqua-Pure Whole House Scale Inhibition Inline Replacement Water Cartridge AP431 Tempra 24 Plus (24 kW) Water Heater + Cartridge

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Photo 1 of Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco, White, 20.2 & 3M Aqua-Pure Whole House Scale Inhibition Inline Replacement Water Cartridge AP431 Tempra 24 Plus (24 kW) Water Heater + CartridgePhoto 2 of Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco, White, 20.2 & 3M Aqua-Pure Whole House Scale Inhibition Inline Replacement Water Cartridge AP431 Tempra 24 Plus (24 kW) Water Heater + Cartridge