Rheem RTEX-13 240-Volt 1-Chamber 13kW Electric Tankless Water Heater
3.4Best price now
$250.00at Miami Water HeaterObserved Nov 1, 2026, 4:17 AM
Compared across 3 stores. Prices are checked against each store and labelled with when.
Compared across 3 stores. Prices are checked against each store and labelled with when.
Deal.ai may earn a commission when you buy through these links. It never affects our recommendations. Learn more
In stock
In stock
In stock
Also available at
Lowest price we've seen: $250.00 on Nov 1 at Miami Water Heater. Tracked across 4 stores since Nov 1.
Electric Tankless Water Heater, Whole House, Water Heater Application General Purpose, Commercial/Residential, Watts - Water Heaters 13,000, Amps - Water Heaters 54, Voltage - Water Heaters 208/240, Min. Flow Activation 0.30 gpm, Phase - Water Heaters 1, Temp. Range - Water Heaters 59 Degrees to 140 Degrees F, Water Connection 1/2 In. NPT, Temp. Rise @ 1.5 GPM 59 Degrees F, Temp. Rise @ 6.0 GPM Limited to Thermostatic Setting, Temp. Rise @ 2.5 GPM - Water Heaters 36 Degrees F Features Amps AC: 54 Depth: 3-5/8" Features: Endless Hot Water, Replaceable Heating Element, Adjustable Digital Temperature Display Height: 12-5/8" Item: Electric Tankless Water Heater Phase: 1 Temp. Range: 59 Degrees to 140 Degrees F Width: 8-1/4" Wire Size: 6 AWG Mounting: Wall Pressure Range: 25 to 150 psi Voltage: 208/240VAC Watts: 13000 Standards: UL 499, CSA Water Connection: 1/2" NPT Max. Flow Rate: 4 gpm Temp. Rise @ 1.5 GPM: 59 Degrees F Temp. Rise @ 2.5 GPM: 36 Degrees F Min. Flow Activation: 0.30 gpm Temp. Rise @ 6.0 GPM: Limited to Thermostatic Setting Water Heater Application: General Purpose Residential / Commercial: Commercial/Residential Elements: Lead-Free Replaceable Cartridge Insert Default Temperature: 120 Degrees F Water Heater Design: Whole House